Because OCT relies on waves of light, it is not effective for any condition that affects how light passes through the eye, including cataracts.

Get the best of two worlds with the AvaLight-DHc. It has both a deuterium light source and a halogen light source, providing you with adequate light between 200 and 2500 nm for nearly all absorbance chemistry applications. Deuterium emits light between 200 and 550 nm, whereas halogen emits light of up to 2500 nm. Coupling to the rest of your spectroscopy system is easy with the SMA connector.

An OCT provides your optometrist with detailed, multi-level images of the anterior angle. These images can help determine severity, and distinguish between types of glaucoma, such as:

Have the most flexible setup with the combined cuvette holder, attenuator, and filter holder. The attenuation can be set from 0-100%, which can be fixed with a set screw. Use the cuvette holder for any cuvette up to 10x10mm and add half-inch diameter (12-13mm) filters of 1-8mm thick.

The AvaSpec SensLine family of products is Avantes’ response to customers who require higher performance for demanding spectroscopy applications such as fluorescence, luminescence, and Raman. The AvaSpec SensLine productline includes several high-sensitivity, low-noise spectrometers. A number of these instruments feature back-thinned detector technology, of which some feature our high-performance, thermoelectrically cooled detectors. The other models feature standard CCDs, upgraded to high-performing instruments as a result of Avantes’ unique detector cooling technology. The back-thinned CCD detectors featured in the SensLine product family are high- quantum efficiency detectors with excellent response in the ultraviolet, visible, and near-infrared range from 200 to 1160 nm.

Promotional Kits. Local Events. We're here to help you promote your business in many ways, including customized marketing and promotional materials—in store ...

When light hits a surface of a material it will either be reflected, absorbed or transmitted through the material (or a combination of the above). The reflectance of this light will depend on the structure and the material properties of the object.

If you have questions about OCT tests or would like to book an appointment, do not hesitate to reach out to our experienced team at Calgary Family Eye Doctors.

The light source delivers a continuous spectrum with high efficiency. The highest stability is in the ultraviolet, visible and near-infrared range, from 200 to 2500 nm. An integrated TTL-shutter and filter holder for filters of up to 50 x 50 x 5.0 mm are included. The TTL-shutter can be controlled from any AvaSpec spectrometer, which means the auto-save-dark option in AvaSoft software can be used (please note: IC-DB26-2 cable is needed).

We take pride in collaborating with our customers to supply the right solution, on time. Whether you need a custom configured optical bench or a specialized fibre-optic probe, we have the experience and dedication to make it happen. While we gladly develop custom-made devices, we also offer several modular and highly configurable OEM options.

... MTF of digital images. Go to: Materials and methods. Synthetic images and filter design. A 300 × 300 pixel synthetic test image with a uniform grey level (l ...

This FOS is operated electronically via TTL signals from an external source or one of our AvaSpec spectrometers. TTL signals can be provided either by an external device or by an AvaSpec spectrometer connected via an interface cable (IC-DB-xxx, see ordering information below).Â

The adjustable focus on the AvaLight-HAL-S-Mini helps you get the most out of your light source: it makes sure all possible power is transmitted through your optical fibre. Bulb replacement is easy and can be done in a matter of minutes.

When an in-line filter is needed, Avantes offers two types of in-line filter holders: the FH-INLINE-1” and the FH-INLINE. The FH-INLINE-1” is designed to hold one inch filters from 1-60 mm thick. The FH-INLINE is designed for 1/2” or 12-13 mm filters of 1-8 mm thick.

The easy way to answer these questions is with this gemology bundle. The bundle includes a sphere and a special gemology white reference tile to quickly categorize and validate gems.

Many people choose contact lenses over glasses when they need vision correction. These lenses can help you see clearly without needing frames, but they require more maintenance. Because contact lenses rest on your eyes, do they have an expiration date?  Continue reading to learn more about contact lenses, including if they can expire and how […]

For low absorption measurements and flow cell cuvettes, the CUV-VAR-UV/VIS cuvette holder is the ideal solution. It features a variable, adjustable path length, ranging from 10-160mm, ensuring maximum flexibility. It can be used as a standard cuvette holder with a 10mm path length, as a filter holder with 2mm path length or any path length up to 160mm.

Calibrating your spectrometer has never been easier: the AvaLight-HAL-CAL-Mini and Avalight-DH-CAL are NIST(National Institute of Standards and Technology)-traceable, calibrated light sources used to measure absolute spectral intensity.

The clear, 3D images provided by an OCT test can help patients visualize any problems they may be experiencing with their eyesight.

Avantes, the leading OEM spectroscopy manufacturer and designer is the best choice for high-quality and highly reproduceable spectroscopy solutions for low- and high-volume customers.

The FOS is coupled in the optical paths between SMA-terminated fibres and features four COL-UV/VIS collimating lenses (UV/VIS/NIR).Â

Early detection of vision issues is key in protecting the health of your eyes. Comprehensive eye exams, like digital retinal imaging, are quick, painless, and effective ways for eye doctors to view inside the eyes and record any changes that might point to vision or other health issues.  Early eye disease detection makes it possible […]

Avantes’ new Compact spectrometer is a lightweight, and powerful spectrometer optimized to deliver high-end performance for spectroscopy integration. The Compact spectrometer offers high-speed performance, with integration times of up to 9 μs, minimal stray light as low as 0.1%, and a strong signal-to-noise ratio of 375:1.

The optical trigger is useful for measuring pulsed light sources, such as solar simulations. Your Avantes spectrometer can start integrating within 1.5 microseconds after receiving the signal from the AvaTrigger. Alternatively, you can specify a delay time if you are interested in measuring spectral output against time (temporal stability). The AvaTrigger has an SMA-905 connector to easily couple with any accessory or light source from Avantes’ extensive line-up.

The AS-7010 is the electronic platform base for Avantes’ EVO spectrometer models. It is equipped with a powerful Xilinx Zynq 7010 microprocessor. It combines the software programmability of a processor with the hardware programmability of an FPGA, resulting in unrivalled levels of system performance and flexibility.

When it comes to eyewear, it’s crucial that your glasses have a perfect fit. If your eyeglasses don’t fit well, then they might not correct your vision effectively. Whether you’re at your computer, enjoying the outdoors, or reading a book, a correctly fitted pair of glasses can be the difference between comfort and frustration. So […]

Fiber-optic spectrometers offer a tremendous value proposition for UV/VIS measurements because of their relatively low cost, small size and ability to be introduced in harsh environments through the fiber interface. Combined with a fiber-optic transmission dip probe, inline flow cells or the more traditional cuvette cell, a fiber-optic spectrometer can accurately and repeatably measure over the range from 200-1100 nm.

Reflection spectroscopy, often called reflectance spectroscopy, is often used to non-invasively and non-destructively characterise objects and materials. Comparing the reflected light to the light used for illumination, can tell you a lot about the characteristics and nature of the object or material being researched, for instance exact colors, compounds and more.

While meibomian gland dysfunction (MGD) can’t be prevented, there are effective ways to unclog these glands (both at home and with the help of an eye care professional) with a gentle massage. […]

In order to correct fluctuations and drift from your light source, periodic referencing is required. To facilitate this, Avantes offers this series of reflection probes with a self-referencing feature.

While children may have symptoms that can indicate a vision or eye health problem, it’s also possible for vision issues to be asymptomatic. In these cases, the only way to detect them would be through a comprehensive eye health exam. […]

Children rely on their eyesight to learn, explore, develop, and grow. A child’s eyes change rapidly as they age, which is why experts recommend regular eye exams for growing kids.  But what happens during a kid’s eye exam? Simply put, an eye professional will go through a series of tests to ensure your child’s eyes […]

Everyone deserves quality eye care, and regular eye exams play a critical role in preserving eye health and vision. For those people with vision correction needs, glasses and contact lenses provide staple choices.  Eyeglasses for refractive errors include a lens prescription. With significant refractive errors, one may need a stronger prescription and a thicker lens. […]

There are many factors can cause pain when you blink, including conjunctivitis (pink eye), blepharitis, cluster headaches, dry eye disease, debris in the eye, optic neuritis, eye injuries, and styes. […]

From enzyme reactions within our cells to photosynthesis in leaves, chemical reactions play a vital role in every aspect of our lives. Factors like concentration, temperature, pressure and the presence of a catalyst affect the speed of a reaction. The study of chemical kinetics is used to characterize these processes and improve our understanding of how these factors and others change the outcome of a chemical reaction.

Two special fiber-optic cables (FC part number terminating in FIA) are required for coupling with these micro flow cells. The special fiber-optic cable is the window for these flow cells.

For even higher resolution than the quad-channel spectrometer of the high-resolution plasma measurement bundle, this version features eight channels, with an optical resolution of up to 0.09 nm. The wavelength range is from 200 to 930 nm, which means it detects from ultraviolet, through visible, up to near-infrared light.

Rubbing your eyes can be bad for you because it can increase your risk of infection, damage delicate tissue, and worsen dry eyes and allergies. […]

It’s no secret that people are spending more and more time on digital devices. After all, we’re very much a plugged-in society. But how does all this screen time affect our eye health? Does it have an effect at all? […]

All AvaSpec SensLine instruments are fully integrated with Avantes’ modular platform, allowing them to function as both standalone and multi-channel instruments. These products are fully compatible with other AvaSpec instruments in our AvaSpec SensLine and NIRLine. Every instrument in the AvaSpec SensLine is available as a lab instrument or an OEM module for integration into customers’ existing systems.

Laser-induced breakdown spectroscopy (LIBS) is a type of atomic emission spectroscopy that employs a laser to ablate or vaporize a microscopic layer of a sample’s surface. The resultant plasma caused by this laser ablation process emits light as it cools. This light is then collected and analyzed with a spectrometer for quantitative and qualitative material analysis.

Ecosystems around the world are facing growing threats. The increasing pace of industrialization, pressure from growing populations and increasing urbanization, as well as climate changes can wreak havoc on emerging economies and have health and social implications. Not surprisingly, researchers, scientists and governments are investing significant resources to monitoring and preventing these environmental hazards.

This slit kit is available in SMA (choice of 4 SMA slits), SMA/FCPC (combination of 2 SMA and 2 PCPC slits), and FC/PC (choice of 4 FCPC and/or SMA slits) versions. All slit kits can be used on any spectrometer with the replaceable slit option installed. Slit sizes 5 and 10 um are not included in the kit but can be ordered as separate items (recalibration of spectrometer recommended).

With multiple product variations, you can choose from connection protocols like USB, SPI, and RS232, offering the flexibility to select the best method.Â

The output of the AvaLight-DH-S is optimized for fibres or bundles up to 600 micrometres. For larger fibres, the focal point is manually adjustable to optimize the light coupling into your fibre.

Blurry vision is a common issue that can be caused by all sorts of factors. It might be a temporary issue caused by fatigue, dryness, or focusing on a nearby object, such as a computer or phone screen, for too long. Chronic conditions like nearsightedness, farsightedness, astigmatism, or age-related changes in the eyes can also […]

Two vacuum feed-throughs are included in this bundle: one with a 200 µm fibre cable and one with a 600 µm diameter fibre cable. The required reflection probe and a deuterium halogen light source are included as well.

Eye floaters are a normal part of ageing, but can they be dangerous? Understanding why eye floaters occur can help you know whether or not you should visit your optometrist for an emergency.  Continue reading to learn more about eye floaters, including what they are, how they develop, and if they’re dangerous.  What Are Eye […]

Meet the Compact spectrometer, the next-generation photonics backbone spectrometer designed to empower a wide range of applications in various industries. This device is manufactured with Avantes’ newest automation techniques to ensure superior inter-instrument reproducibility. Discover how this innovative spectroscopy instrument will empower your application!

This bundle features an AvaSpec-ULS2048CL-EVO spectrometer that is tuned for visible light, which makes it ideal for colour measurements. An illuminant – A halogen light source for illumination and a reflection probe (with reflection probe holder) are included as well.

Since these products emit light, the connection with spectroscopy is easily made. In this industry, spectroscopy is mostly utilized for real-time monitoring and quality control before, during and after the manufacturing process.

Contact lenses can be a great alternative to glasses. They can be more convenient when playing sports, help you look polished, and don’t fog up like glasses in cold weather. Switching between glasses and contact lenses helps keep your vision crisp and clear in any environment. But contact lens care can be high maintenance compared […]

The AvaLight-DH-S is a powerful deuterium halogen source, but, like any unbalanced deuterium halogen source, it does have a very dominant alpha peak at 656 nm. This is why Avantes developed the DH-S-BAL, in which this peak is drastically reduced by a dichroic filter. This means less power, but an increase in the dynamic range of a factor 20. A comparison spectrum as taken with a standard AvaSpec-2048 is shown on the next page.

AGC's transmission type diffraction gratings are adoptable in various devices in areas such as optical communications and LiDAR.

Avantes offers an extensive line-up of preconfigured systems and bundles, each component carefully selected to give you the highest-quality measurements.

The top of the tripod has an attachment head which features two holes; one measuring 6.8 mm in diameter to hold the barrel of a cosine corrector (CC-VIS/NIR) or a reflection probe and a setscrew to hold the probe or cosine corrector in place. The second hole is a 3/8”-24 threaded hole for a COL-UV/VIS collimating lens.

Are you worried about how screen time is affecting your child’s eye health? The truth is, most children are getting too much screen time, and it can lead to poor eye development and puts your child at risk for developing certain eye conditions, such as digital eye strain.   If you’re concerned about the effects of […]

Various lens options exist that cater to different requirements. These include: – Single-vision lenses – Bifocal and Trifocal lenses – Progressive lenses – Photochromic lenses – Polarized lenses – Hi-Index lenses […]

Our promise to you. Wow! What a whirlwind these last few months have been; we’ve all seen some challenges during these unprecedented times. On April 30th our government made the announcement that allied health services can return to offering non-urgent routine care. We are beyond happy to announce that we are open once again, doing […]

When the object or material you want to measure is more transparent, for instance a filter, glass or fluid, the amount of reflected light is too low to perform a reflection measurement. For (mostly) transparent materials, transmission spectroscopy is the best choice, since it measures the light that passes through the material in comparison to the emitted light, instead of light that reflects from it.

AvaSoft is our own software package that we developed to control all Avantes spectrometers and a wide range of accessories. The latest version can be used with the latest Windows versions. Since the initial version of AvaSoft in 1996, a major upgrade has been released at least once a year, featuring new options and possibilities.

We sincerely thank you for your ongoing support. We look forward to helping you explore how the NEXOS™ will empower your application!Â

Available in both Linux and Windows versions, the interface packages allow you to easily write custom software solutions for AvaSpec series spectrometers. The Windows version, AvaSpec-DLL, is both available in 32-bit and 64-bit software. The Windows version also includes a 64-bit version (AvaSpecx64.DLL) which can be used when a 64-bit programming environment is used. The software can be used for the following actions:

In the lighting industry, the focus is not only on manufacturers of different light bulbs and LEDs, but the companies involved in testing and validating these bulbs and LEDs, and the assembly of these products in for instance street lights and solar simulators as well.

When light intensity must be reduced, the direct-attached attenuator is a great choice with your AvaLight series light sources. The attenuator helps in situations where detector saturation is an issue. It is attached to the light source and has a SMA connector to couple to other measurement devices and your spectrometer.

Avantes works with a variety of irradiance applications ranging from pulsed solar simulator characterization to free space measurements of radiant sources such as street lights.

Contact lenses can be a great alternative to glasses. For many people, contact lenses are easy to wear, more comfortable, and more aesthetically pleasing than traditional eyeglasses.  Even though many people prefer contacts over glasses, they do require more maintenance and care. Contact lenses can be a lot more work than glasses and need to […]

Opticalspectrometer

Glaucoma is one of the leading causes of blindness in Canada, and you may not even notice anything is wrong until vision loss occurs. If you have undiagnosed glaucoma, how do you identify this disease before your vision is affected?  A series of tests used during a comprehensive eye exam can detect any eye problems. […]

The attenuation can be set from 0-100%, which can be fixed with a set screws. It is supplied with a UV/VIS/NIR collimating lens.

A note: if this post looks familiar to you and you’re a newsletter subscriber, that’s because this post was initially released as a newsletter to our patients. If you’d like to sign up for our newsletter, please sign up here. Do you suffer from dry eyes? Have you tried multiple drops and found only temporary […]

The combined direct-attached accessory is available in two versions: the CUV-ATT-DA is used with the AvaLight-DHc (Deuterium and Halogen), and AvaLight-XE (Xenon). The CUV-ATT-DA-HAL-Mini is meant for the AvaLight-HAL-Mini (Halogen) light source.

The new Avalight-HPLED is a compact, low-cost light source designed for fluorescence applications. This high-power version was made for more demanding applications compared to our regular LED light source.

Connection to the fibre is done through an SMA-905 connector, which features an adjustable focusing lens assembly. This ensures you have the maximum possible power into your fibre. For all deuterium light sources, solarization-resistant fibres (-SR) are recommended (see the fibre-optic section of this catalogue). The output of the AvaLight-DH-S-BAL is optimized for fibres or bundles up to 1500 µm.

Exposing contact lenses to water can introduce various risks to your eye health, so it’s best to avoid swimming with contact lenses whenever possible. […]

An Optical Coherence Tomography (OCT) test may sound like a mouthful, but the process itself is more straightforward. An OCT is a non-invasive test that allows your optometrist to take detailed cross-section pictures of the back of your eye.

Our AvaSpec-ULS2048CL-EVO and AvaSpec-ULS4096CL-EVO are based on CMOS arrays and are able to measure wavelengths from 200 to 1100 nm. The AvaSpec-FAST series of instruments is especially designed for high-speed acquisitions, such as pulsed light source and laser measurements.

Edmund OpticsSpectrometer

Sunglasses are usually seen as a summer accessory, along with hats and sunscreen. But, just like hats and sunscreen, it’s important to wear sunglasses in the winter. Even though the weather is colder (and snowier) and the days are shorter, UV rays are still hitting us. Here are three reasons why it’s important to wear […]

With a special DUV bulb, the AvaLight-XE can be used for deep-ultraviolet applications (below 200 nm). A special direct-attach cuvette holder is available for your fluorescence applications. For transmission measurements, the AvaLight-XE can be used in conjunction with the CUV-ATT-DA, which has an iris attenuator to limit the light output and avoid saturation.

For most fluorescence applications the amount of fluorescent energy emitted is only 3% of the amount of excitation light energy. Fluorescent light has a lower energy (higher wavelength) than the excitation energy and is usually scattered light. This means it emits energy in all directions.

Medical and biomedical researchers, as well as OEMs frequently utilize spectroscopy techniques for clinical and research processes. Ultraviolet, visible and near-infrared wavelength ranges are measured for a variety of medical and biomedical applications.

For OEM customers, Avantes offers a line of enclosures for their spectrometers. There are multiple enclosures available for different combinations of AvaBenches and circuit boards.

Expired eye drops may not work as efficiently as they would when they’re fresh. Because they’re no longer effective, they might also lead to an infection. […]

Avantes uses the high-sensitivity AvaSpec spectrometers in combination with a 532 nm or 785 nm laser to give you the best result for your Raman measurements. The spectrometers are appropriately configured according to the wavelength of the laser.

Selected models feature the high-sensitivity/low-noise setting: an easy choice between the highest possible sensitivity and the lowest possible noise, right from AvaSoft 8.

Raman spectroscopy is especially useful for reaction monitoring, product identification, remote sensing, and the characterization of highly scattering particulate matter in aqueous solutions. Based on the principle discovered by Prof. Chandrasekhara Venkata Raman, it measures the result of the inelastic scattering of photons.

In the field of chemical spectroscopy, there are an unlimited number of applications. Chemical reactions are dynamic processes that vary with changing conditions which result in a various way of techniques.

The optical path depends on the size of the flow cell: the 1/4” version has an optical path of 5 mm, the 1/2” of 10 mm and the 1” version 20 mm. They feature SMA-905 connectors for easy coupling to any of our wide range of fiber-optic cables or bundles.

For diffuse reflection measurements, Avantes offers the WS-2 reference tile. The RS-2 is available for specular reflection measurements.

Differential optical absorption spectroscopy, or DOAS, is a technique that is used to monitor pollutants in the atmospheric air. This form of spectroscopy is often used in continuous emission monitoring systems (CEMS).

To easily identify and analyze atoms, ions and molecules, Specline© analytical software offers an extensive database. It enables analysis of spectral data, imported directly from AvaSoft spectroscopy software along with other standard formats. This unique database for atoms and molecules makes line identification fast and easy. To support you in analyzing and comparing the spectra, many evaluation functions are available including:

The semiconductor industry can realize significant benefits from spectroscopic measurements during various stages of their processes. Fibre-optic-based spectrometers offer a great value to the industry due to their ability to facilitate in situ measurements within processing environments and facilitate near-real-time analysis.

The generous 100 Mpixel memory enables onboard storage of spectra and custom programming. As it is equipped with two different AD convertors, optimum performance for each detector type is assured.

This bundle was especially designed for single-layer thin-film measurements, with a light source, a reflection probe, and a stage and standard included. The setup can measure thin films ranging from 10 nm up to 50 µm, with a resolution of 1 nm, and supports UV, VIS, and NIR measurements from 200 up to 1100 nm.

For all UV-VIS-NIR applications and ATT-INL-EXT setups where light intensity must be reduced, Avantes offers the inline fibre-optic attenuator (ATT-INL-EXT) and the direct attached fibre-optic attenuator (ATTDA). This device is an iris attenuator which controls light throughput to avoid detector saturation.

The table below shows the cable options for your light source or accessory application. Please note that the cables generally are 2 metres long, but custom lengths are available on request.

This 200 to 960 nm quad-channel spectrometer boasts an optical resolution of 0.22-0.28 nm, which is four times better than a standard AvaSpec-ULS2048CL-EVO covering the same range. The four channels are combined in AvaSoft Spectroscopy Software so it feels as if you are working with only one spectrometer.

AvantesAvaSpec 2048 manual

These systems often need to be intensity calibrated to give the most accurate results. Avantes offers in-house calibration services as well as field calibration sources.

This light source is recommended in settings with large fibre cables or direct-attachment to a cuvette holder such as the CUV-DA, due to its relatively low output energy. The integrated TTL-shutter makes saving a dark measurement very simple in combination with AvaSoft (extra IC-DB26-2 needed).

An optometrist can conduct OCT scans in darkened rooms, which allows for quick and accurate results. The position of the eye’s anterior angle in a dark room is a vital step in diagnosing acute closed-angle glaucoma.

Avantes uses the high-sensitivity AvaSpec spectrometers in combination with a wide variety of lasers (including 532 and 785 nm) to give you the best result for your Raman measurements. The spectrometers are appropriately configured according to the wavelength of the laser.

Patients at risk of developing glaucoma can benefit from an OCT scan, as the images can help evaluate the anterior angle of the eye. The anterior angle is an essential part of the eyes’ anatomy that operates as the drainage channel for fluid.

May is Vision Health Month! Throughout the month, eye care professionals in Canada and around the world will work to raise awareness about eye health. Good eye health is important for everyone, regardless of age. In fact, we recommend that children go for their first comprehensive eye health exam at six months of age, and […]

The AvaLight-CAL-xxx is a spectral calibration lamp, available in Mercury-Argon (253.6-922.5 nm), Neon (337-1084.5 nm), Argon (696.5-1704 nm) Zinc (202.5-636.2 nm), and Cadmium (214.4-643.8 nm) versions. The major lines including their relative intensity and structures are shown below.

A combined direct-attach cuvette holder and attenuator is optionally available (CUV-ATT-DA-HAL). For attenuation you can use the in-line filter holder (FH-INLINE) or the in-line attenuator (ATT-INL).

Most AvaSpec spectrometers are USB powered, but some users prefer to power their instrument externally. Avantes PS-12V and PS-24V can be used to connect your AvaSpec spectrometer and AvaLight light sources to any 100-240V power connection.

Your optometrist may use eye drops to dilate your pupils, allowing for a more accessible retinal examination. Once your pupils are dilated, you will be asked to sit in front of the OCT machine with your head resting on the support to encourage stillness.

The light coming from the light source is bundled into 12 fibers, which are split into two 6 fiber bundles. One of these bundles is carried to the probe end for sample measurement and the other bundle of 6 are directed to a white reflection tile built into the probe to provide a light source reference. This reference leg is connected to a slave spectrometer channel dedicated to light source referencing or may be routed to a single channel via a fiber-optic (contact a Sales Engineer about this special configuration). On the measurement side the probe end has a 7th fiber which reflects light back to the master spectrometer channel.

The AvaLight-CAL can also be delivered in rack-mountable version, to be integrated into Avantes 19” Rack-mount or the 9.5” desktop housing. The PS-12V/1.0A power supply should be ordered separately.

Glaucoma can be a risk for your vision, especially with time. This eye disease can lead to severe vision loss if untreated, but many people don’t know its dangers. Several factors can make you more likely to develop glaucoma.   You may be more at risk of glaucoma if your immediate family has a history of […]

Our eyes, and therefore our vision, can change over time. But if you notice your vision becoming rapidly blurrier, it’s time to visit your eye doctor for an eye exam and up-to-date prescription. There are a number of reasons you prescription might change rapidly, including: Diabetes This is probably the most common cause of temporary […]

AvantesVarius

A few years ago, I was lucky enough to volunteer with VOSH International to perform ocular examinations for the underprivileged in Belize. It was one of the most incredible and memorable trips I have ever taken. Belize is a beyond-beautiful country with such friendly and kind people. The first few days were spent on the […]

Both in-line filter holders come with two quartz collimating lenses for the UV/VIS/NIR range. Avantes offers a wide range of round 12 mm filters (for FH-INLINE).

OCT has been described as a safe, non-invasive ultrasound for your eye, using light instead of sound waves to create a map of the retina and optic nerve. Guided waves of light provide a precise 3D image of the eye’s structure, without making direct contact with the patient’s eyes.

Confessions. the bent spoon. If you missed out on having ice cream on that 85-degree day this week, make it up to yourself by heading to Princeton and ...

Since spectroscopy is used for numerous applications. We have defined our products in different lines, as seen below. We offer instruments with a small form factor to integrate into other devices in the CompactLine: high-sensitivity instruments for more demanding applications in the SensLine and spectrometers especially configured for the near-infrared range in our NIRLine. The StarLine spectrometers are our most versatile instruments for general spectroscopy applications.

The AvaLight-CAL-Mini, AvaLight-CAL-AR-Mini, AvaLight-CAL-Neon-Mini all come in the Mini-housing and are equipped with a connector at the rear enabling to switch the unit on/off remotely with a TTL signal.

To fully utilize your AvaSpec-RS series spectrometer with a replaceable slit, we offer our slit kit. It features a complete set with four slits of 25, 50, 100, 200, and 500 μm. Also included in the kit are the tools to change the slit in the spectrometer easily.

Avaspec NIRLine spectrometers are available with a number of premium options such as irradiance/intensity calibration and non-linearity calibration.

A growing number of countries are banning incandescent lamps from being sold, hugely boosting LED sales. Avantes offers the necessary tools for the photometric and radiometric measurement of LED lights. The spectrometer in this bundle is irradiance calibrated in order to obtain absolute values.

Radiometry deals with the measurement of all optical radiation inclusive of the visible portion of this radiant energy. Irradiance is a parameter of radiometry. It describes the amount of radiant power impinging upon a surface per unit area. These measurements can be done in the UV, VIS and NIR wavelength ranges.

For extra stability during demanding measurements such as fluorescence, Avantes offers the CUV-UV/VIS-TC, an air-cooled temperature-controlled cuvette holder. The temperature can be set anywhere between -15°C and +105°C with an accuracy of 0.15°C

We’re very excited to announce the launch of Eye See You, our community outreach and education program for children. It’s designed to complement the province-wide Eye See Eye Learn program, which provides free prescription glasses to children in kindergarten. Since Calgary Family Eye Doctors is a participating clinic in the Eye See Eye Learn program, […]

At Calgary Family Eye Doctors we are hoping you and your family are staying safe during these unprecedented times.  If you are on our email list you will already know that we are seeing eye emergencies only, at the moment.  We are currently not providing routine eye exams.  We are dispensing glasses and contact lenses […]

When it comes to vision correction, there are several options available, including contact lenses. These small and versatile lenses offer an alternative to traditional eyeglasses, allowing you to have clear vision without compromising your comfort or style. But how exactly do contact lenses work? Contact lenses work by correcting your natural refractive error. They bend […]

Including an OCT test during your eye exam allows for early detection and monitoring of various eye conditions like macular degeneration, glaucoma, and diabetic retinopathy—often before symptoms present themselves.

Volunteering with international eye care missions has changed my life. My inaugural trip was serving as a translator for an eye care team in Guatemala.  […]

Many parents have questions about the safety and efficacy of eye drops for their little ones. Most eye drops are safe for children with the guidance of a healthcare professional. Different types of eye drops serve different purposes, such as alleviating dryness, treating infections, or irritation and allergies. […]

Fluorescence spectroscopy, also known as fluorometry or spectrofluorometry, is a type of electromagnetic spectroscopy, which analyzes fluorescence from a sample. It involves using a beam of light that excites the electrons in molecules of certain compounds and causes them to emit light; typically, but not necessarily, visible light. It is a useful technique in many biological (chlorophyll and carotenoid), biochemical (diagnosis of malignancies) and environmental applications.

The AvaSpec NIRLine instruments are fully compatible with our AvaSpec-StarLine and SensLine spectrometers. Instruments in the NIRLine are available as lab instruments or OEM modules for integration into customers’ existing systems.

In need of more power than the AvaLight-DHc? The AvaLight-DH-S is Avantes’ most powerful deuterium halogen source. Like the DHc, the DH-S is also a combined deuterium and halogen light source, capable of transmitting light in the UV/VIS/NIR-range, but has 35 times more halogen output and up to 300 times more deuterium power. The source has a prominent 656 nm deuterium peak which can limit dynamic range (see Avalight-DH-S-BAL as an alternative). It includes a focusing lens assembly, to fully utilize the possibilities and size of your fibre.

Vision Health for Infants Infants experience a lot of growth in their early years. They’re learning how to use their bodies, including their eyes. Visual skills are necessary for many everyday things your baby is learning. Visual skills include tracking object movement, recognizing faces, and hand-eye coordination. Every child develops differently. But vision development milestones […]

The need for greater efficiency, quality, and safety in agricultural production is increasingly being addressed through the introduction of spectroscopic techniques during and after production and processing. The rugged and field-deployable characteristics of compact, dispersive array spectrometers along with the inherent benefits of fiber-optic sampling are driving increasing adoption of this technology in agricultural operations.

Severe myopia can increase a child’s risk of sight-threatening conditions developing later in life. For this reason, myopic control methods, such as specialized lenses and contacts, aim to slow myopia progression. […]

Sunlight is defined as the total spectrum of the electromagnetic radiation emitted by the sun. On Earth, sunlight is filtered through the atmosphere, and the solar radiation is visible as daylight when the sun is above the horizon. When the direct radiation is not blocked by clouds, it is experienced as a combination of bright light and heat.

An OCT scan provides a clear map to help your eye doctor find areas of the eye with abnormalities or early damage. It’s vital to catch eye conditions in the early stages to prevent damage to a patient’s vision.

If your optometrist used dilating eye drops before the exam, your eyes might be sensitive to light for a few hours afterward.

When an in-line filter is needed, Avantes offers two types of in-line filter holders: the FH-INLINE-1” and the FH-INLINE. The FH-INLINE-1” is designed to hold one inch filters from 1-60 mm thick. The FH-INLINE is designed for 1/2” or 12-13 mm filters of 1-8 mm thick.

Avantes offers a wide range of cables to connect your AvaSpec spectrometer to an AvaLight series light source or one of our many accessories (fibre-optic switches, AvaTrigger, etc).Â

Avantes works with semiconductor applications such as end-point detection for plasma ion etching, ion beam etching, photoresist stripping, and chemical/mechanical polishing. Instrument configurations have also been deployed in environments for thin film metrology (inline and offline) and plasma diagnostics.

For specific measurements, we have created the Avantes spectroscopy bundles: a combination of products that are ideal for the application. Because of the flexibility of Avantes’ products, these can always be used for different measurements later.

As our lives become increasingly dominated by screens, more and more people are seeking ways to mitigate the negative effects of extended screen time. One popular solution is blue light glasses, which are designed to filter out the blue light emitted by digital devices and may help reduce eye strain, headaches, and other symptoms commonly […]

For in-line measurements of low liquid volumes, Avantes offers our micro flow cells. The micro flow cells feature a Z-design and can easily be coupled to 1.5 mm PTFE tubing with 0.5 mm inner diameter. Typically these are used for absorption measurements and HPLC applications.

New year, new glasses! (Right?) But before you head out to buy your new glasses this year (hopefully at our clinic, of course!), let’s take a look at some of the trends for prescription eyewear for 2019. Shapes A lot of people have glasses that are more neutral in shape (that is, shapes that are […]

From visible light to near-infrared, that’s where the AvaLight-HAL-S-Mini works best. The AvaLight-HAL-S-Mini is a compact, stabilized halogen light source with adjustable focusing of the fibre connection, maximizing output power at the desired wavelength. This versatile light source also has adjustable output power to provide extra power or longer bulb life.

In gemology, there are two basic questions: ‘What are the characteristics of the stone I want to measure?’ and ‘Are these characteristics natural?’

October is children’s vision month, so throughout the month, we will be working to bring awareness to children’s eye health. This month, we wanted to talk about the importance of children’s eye exams, and why focusing on their eye health is just as important as focusing on our own. […]

The AvaLight-DHc is optionally available in a rack-mountable version, to be used in the 19” rack or the 9.5” desktop system.

Approximately 30% of Canadians are myopic, and that number continues to rise. While myopia affects people of all ages, there has been a recent rise in the number of children who are myopic. Currently, about 6% of children between the ages of 6 and 8 are myopic; by the time kids reach the ages of […]

An OCT employs a laser (with no radiation) to obtain high-resolution images of the layers of the eye’s retina and the optic nerve. Your eye doctor can use these colour-coded images to scan for irregularities in the optic nerve, and accurately measure the thickness of the retina.

Healthy Vision for Our Little Ones   We all want our children to be happy and successful in their endeavours, and healthy vision can play a massive part in a child’s overall wellness. Our kids grow up fast, and their eyes develop right alongside them. How can you tell if they’re hitting the correct visual milestones?  […]

The world is full of colour. Life is permeated by vivid and brilliant colours, and colour can have an impact on what we see and how we perceive the world. But what if you see colours in a different way than most people? What is colour blindness? Colour blindness is the inability to distinguish between […]

The AvaLight-HAL-CAL-ISPxx-Mini is a special version of the Avalight-HAL-CAL-Mini, which enables coupling any of Avantes’ AvaSphere-xx-IRRAD integrating spheres to the lightsource (xx = 30, 50 or 80) for calibration. This source is supplied with a special bottom plate to stabilize the AvaSphere. The Avalight-HAL-CAL-Mini and Avalight-HAL-CAL-ISPxx-Mini include a power supply.

Glaucoma is one of the leading causes of blindness for people over the age of 60, but it can occur at any age. Sometimes, glaucoma can develop without any symptoms or warning signs, and can only be detected during an eye exam. Eye exams are crucial to keep your eye health and vision on the […]

We’re thrilled to announce a new chapter in our journey of innovation and excellence. Our trusted spectrometer, previously known as PACTO, will now be recognized as NEXOS™. This rebranding is a step towards aligning our product’s identity with its advanced capabilities and the diverse needs it serves.

Avantes has worked closely with a number of industrial and research customers in the solar industry to design spectroscopy and spectroradiometry systems which meet the demands of this fast growing industry.

Avantes instruments are integrated into a variety of CEMS around the world. Due to the high stability requirements of this technique, any of the Avantes thermo-electrically cooled spectrometers are used in this application.

So…what exactly is blue light? Essentially, it is a high energy light that is visible to the human eye. All light that we see falls along the visible light spectrum (remember the acronym ROYGBV?). […]

The NIR AvaBenches are fully compatible with Avantes’ electronics boards or may be interfaced to customer-specific electronics. The NIR optical benches have a separate video output through a mini-coax cable. The TEC NIR benches have a heatsink and additional electrical connections for both temperature sensor and power for the Peltier cooling.

Other features include magnetic stirring, slit attenuation kit, and fused-silica lens systems with SMA fiber-optic connectors. It can be combined with any AvaLight light source or AvaSpec spectrometer to create a powerful measurement system.

Getting reading glasses sometimes feels like a rite of passage – or, at least, a rite of aging. It’s common to hear of people with perfect vision having to need glasses when they’re in their 50s or 60s. Why does this happen? Do our eyes suddenly worsen after a certain age? Well…sort of. The culprit […]

The AvaLight-D-S is a deuterium light source only, making it a great option for measurements in the UV range, 190 to 400 nm. The AvaLight-D-S-DUV version starts even lower at 175 nm, for your deep-UV experiments. This version also offers twice the intensity at 200 nm.

An Optical Coherence Tomography (OCT) test may sound like a mouthful, but the process itself is more straightforward. An OCT is a non-invasive test that allows your optometrist to take detailed cross-section pictures of the back of your eye. Including an OCT test during your eye exam allows for early detection and monitoring of various […]

Avantes offers aside a wide selection of spectrometers and the necessary accessories like integrating spheres and cosine correctors to accomodate measurements for the lighting industry.

Constant use of our phone screens can lead to digital eye strain, but there are ways to help reduce your risk of the uncomfortable symptoms and further eye damage. Here are 6 tips to prevent eye damage from your phone:

Myopia, or nearsightedness, is a progressive condition that affects your child’s vision, often impacting their ability to learn, socialize, and play.  With the help of an experienced optometrist, myopia control can manage this refractive error and help preserve your child’s vision. What Is Myopia? Myopia—commonly referred to as nearsightedness—is caused by a change in the […]

Dealing with diabetes can be difficult and might leave you feeling overwhelmed. Early diagnosis and proper treatment can give you the power to manage your diabetes with confidence. There are many ways to diagnose diabetes early, including through regular eye exams.  Diabetes is the leading cause of blindness in Canada, so regular eye exams and […]

The AvaLight-HAL-S-Mini features an internal TTL shutter, controllable from your AvaSpec spectrometer. This gives you the ability to use the automatic save dark option in our AvaSoft spectroscopy software.

For OEM applications in the NIR region, Avantes offers our line of AvaBench NIR optical benches. The AvaBench-50 optical bench is available in the 1000 to 1750 nm range for uncooled detectors. New in this line is the AvaBench-100TEC: a 100 mm optical bench offering optimum balance between optical throughput and resolution. To keep the size compact, it has a unique folding mirror built into it.

Torch Bearerspectrometer

If you start to notice blurry vision, swelling, and pressure around your eyes, this could be due to a sinus infection. But remember: sinus infections aren’t the only condition that can affect your eyes, so if you’re dealing with vision changes, make sure to talk to your optometrist. […]

Also on board is the HD26 digital I/O connector with 13 programmable digital I/O ports, 2 analogue out-ports and 2 analogue in-ports. The connector is compatible with the AS-5216 I/O connector.

Our instruments are utilized in various medical and biomedical applications such as blood analysis (co-oximetry), endoscopy, tissue fluorescence, capillary electrophoresis, phototherapy and many others. Avantes’ experiences in these industries range from OEM component supplier to research system configurator.

The PS-12V has a maximum output of 1.0A and is used with all AvaSpec spectrometers and most light sources and accessories. The PS-24V is to be used with the AvaLight-HAL halogen light source and the FOS-inline fibre-optic switch.

When the drainage channel is not working correctly, it can lead to an increase in eye pressure. This pressure causes damage to the optic nerve and can result in vision loss.

Avantes’ innovative ultra-low stray light (ULS), revolutionary high-sensitivity (HS) and the optimum compromise (HSC) optical benches are the core optical technologies in the AvaSpec SensLine. These highly stable optical benches, combined with our high-performance circuit boards deliver high-performing instruments at affordable prices.

Fluid buildup, eye trauma, medications, and other eye conditions are all potential causes of an increase in eye pressure. Typically, one of the keys to reducing it is treating the root cause. […]

The sun is the primary source of energy on Earth. Radiation from the sun strikes the Earth’s atmosphere and begins to be absorbed by air particles and gases, while the remaining energy reaches the Earth’s surface. Earth absorbs much of this radiation, and reflects and emits radiation as well. Even small changes to the balance of this energy system is believed to be able to cause intense shifts in the Earth’s climate.

A filter-slot mounted on the front of the AvaLight-HAL-S-Mini accepts 1? round or 2?x2? square filters, to block specific ranges of wavelengths or instantly lower the intensity.

The filter holder can be easily replaced by a direct-attach cuvette holder CUV-DA-DHS (see section accessories) useful for fluorescence or absorbance measurements.

Our new miniature bench is perfect for OEM integration in existing systems and handheld devices. The high numerical aperture AvaBench-37.5-HS has full mechanical compatibility for mounting holes with the AvaBench-75-ULS, which makes it convenient for OEM customers to upgrade to a higher-throughput optical bench.

Um unerwünschte Termine zu vermeiden, können Sie Gäste bitten, ihre E-Mail-Adresse zu bestätigen, bevor sie einen Termin in Google Kalender vereinbaren.

Think back, and you may recall when children and adults spent more time outdoors. But with the increase in digital device usage, more people are spending their time in front of a screen, resulting in digital eye strain. In 2020, 61% of Canadians played video games, with the average age being 34. And with the […]

The AvaSpec StarLine instruments are fully integrated with Avantes’ modular platform, allowing them to function as both standalone and multi-channel instruments. These products are fully compatible with other AvaSpec instruments in our AvaSpec SensLine and NIRLine. The entire AvaSpec StarLine is available as an individual lab instrument, as well as an OEM module for integration into customers’ existing systems.

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Glaucoma is one of the leading causes of blindness; in Canada alone, there are over 400,000 people who suffer from glaucoma. It’s called the “silent thief of sight” because it usually occurs with no symptoms. What is glaucoma? Glaucoma is a group of eye diseases that affect the optic nerve. Glaucoma occurs when there is […]

Spectroscopy is a technique that is very well suited for various environmental applications. Recently, there has been an increase in the need to identify and trace chemical contaminants, especially organic compounds, as they have negative impact on the environment.

Instruments in our AvaSpec NIRLine are high-performance, near-infrared spectrometers that are optimized for the demands of measuring long wavelengths. This line provides leading-edge performance for dispersive NIR instruments with toroidal focusing mirrors and dynamic dark correction for enhanced stability.

This feeling is often called foreign body sensation and can occur for all sorts of reasons, including dry eyes, corneal scratches, conjunctivitis—or maybe something is actually in your eye. It’s a common irritation that can disrupt your daily activities and cause significant discomfort. Whatever the cause, your optometrist can help you figure it out and get you feeling comfortable again. […]

In spectroscopy, fluorescence is one of the more challenging setups due to the height of fluorescent emission (about 3% of the excitation energy). The AvaSpec-HS2048XL-EVO offers the highest sensitivity and the AvaLight-HPLED series provides excitation at the required wavelength.

Though it has been around for a few decades, nowadays DOAS is performed by recording two absorption spectra, one as a reference scan through a column of atmosphere (ideally) free of contaminants and one through an identical pathlength containing the contaminant that needs to be analyzed. The light traveling through the measured atmosphere is partially absorbed by trace contaminants along the way following Lambert Beer’s Law of Absorption.

Our partnership approach to working with original equipment manufacturers is at the core of our success and philosophy as a business. Our sales engineers follow a methodical needs analysis and solution-definition process with our customers to ensure we develop a solution that perfectly aligns with your needs and time line.

Raman spectroscopy is a technique that characterizes inelastic scattering of photons in covalently bound molecules. This scattering is then used to define the material’s so-called molecular fingerprint, crystallinity and other specifications. Raman provides an invaluable analytical tool for molecular fingerprinting used in material identification, as well as monitoring changes in molecular bond structure (e.g. state changes, stresses and strains).

The optical output can be controlled through a dongle at the backside or from your spectrometer. At the lowest setting, the light bulb has a colour temperature of 2647K, but provides a significantly longer lifetime. The standard or medium setting changes the colour temperature to 2759K and provides around 30% more power with a bulb lifetime of 4000 hours. The high-power setting gives a colour temperature of 2879K, about 70% more power compared to the long-life setting with a reduced lifetime of the bulb.

Depending on the reflectance application, a wide variety of light sources, accessories, fiber-optic probes and spectrometers can be chosen, offering you a tailor-made solution for your specific application.

Avantes works with semiconductor applications such as end-point detection for plasma ion etching, ion beam etching, photoresist stripping, and chemical/mechanical polishing. Instrument configurations have also been deployed in environments for thin-film metrology (inline and offline) and plasma diagnostics.

Here is a brief overview of Alberta Health’s vision coverage. Children Alberta Health covers one complete eye exam for children and teens under the age of 19 every benefit year (a benefit year is July 1 – June 30). They will also cover one partial exam and one diagnostic procedure. Please note that Alberta Health […]

Pink eye and styes are 2 common eye conditions that can cause redness and irritation. A couple of differentiating characteristics are the presence of a bump that could indicate a stye and more localized redness or swelling. […]

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Eyeglasses are positioned a short distance away from the eyes, requiring modifications to correct for the distance between the lens and the eye and the angle of light entering the eye […]

Once in the proper position, your eye doctor will advise you to look into the device’s lens, which contains a blinking target. At this point, the machine scans your eye with no physical contact. The OCT test is completed in approximately 5 to 10 seconds.

Irradiance means measuring how much light reaches a specific place. In this bundle, a cosine corrector is included to collect light from a 180-degree angle, so the measurements are precise. The comprehensive AvaSoft-Irrad software makes it possible to perform fully calibrated, traceable radiometric and photometric measurements.

If you have Type 1 or Type 2 diabetes, you’ve likely been told that you need to get your eyes checked yearly. Have you wondered why your family doctor is telling you that you need to see your optometrist to help monitor your diabetes? The short answer is that in an eye exam, your optometrist […]

Choose this 0.79mm replacement tip for Weller soldering irons, model TST6, to ensure precision and efficiency in your soldering tasks.

Whether you’re looking for eyeglasses for everyday wear or prescription sunglasses to keep your eyes safe in the sun, quality matters. ZEISS has been making quality prescription lenses for over 160 years. They have lens options for many lifestyles, regardless of your vision needs. We all have different vision needs. For example, some people may […]

Spectroscopy helps achieve the goal of realizing non-invasive measurement devices. This bundle non-invasively measures concentrations of unknown samples or changes in concentration over time. This bundle is meant for R&D usage.

The AvaLight-HAL-CAL-Mini is a compact, affordable light source. It is calibrated for the visible range (350-1095 nm). Optionally, an extended calibration for the near-infrared spectral range (1100 – 2500 nm) can be ordered. It has a built-in diffuser, a cosine corrector with SMA adapter and comes with a calibration file in ASCII format. Calibration can be done using the AvaSoft software.

The AvaLight-XE is a pulsed xenon light source, perfect for ultraviolet applications like fluorescence. When connected to your AvaSpec spectrometer through the IC-DB26-2 cable (sold separately), the flashes are synchronized with the data collected by the spectrometer. The number of flashes per scan can be selected in AvaSoft.

Fiber-optic based spectrometers offer a great value to the industry due to their ability to facilitate in-situ (in vivo) measurements within clinical settings. The fiber-optic interface is often exploited for low cost, disposable testing procedures. Low cost instruments also present the opportunity to bring the lab to the patient. Biomedical analysis can benefit from the superior price to performance ratio realized with using fiber optic spectrometers in place of traditional, higher priced instruments and detectors.

The 100, 150 and 200 models come with three ports: at 0, 90 degrees and NP. The port of your choice is fitted with a baffled SMA-905 connector, please specify when ordering. Either of the other two ports can be used for illumination or sampling. The default sample port sizes are typically 25% of the sphere’s diameter. Port plugs or reducers are available on request.

Basic eye exams for children under the age of 19 and seniors 65 and older are covered by Alberta Health Care. Retinal imaging, however, which is a very important part of assessing ocular health, is not covered by AHC and is recommended at every full exam. Most ocular health exams done for medical reasons like eye infections, removing foreign bodies, diagnosing and managing eye diseases, etc., are covered by AHC for all ages. […]

AvaSpec optical benches are available with or without one of our electronics boards for integration into customers’ systems. Avantes has developed four types of UV/VIS optical benches, especially for OEM customers. The optical benches AvaBench-75-ULS (used in both StarLine and SensLine), AvaBench-75-MN (CompactLine), AvaBench-75-ULSTEC (SensLine), AvaBench-37.5-HS (SensLine) and AvaBench-100-HSC (SensLine) are Czerny-Turner designs with fibre-optic entrance connectors (standard SMA, others possible), collimating focusing mirrors and a diffraction grating. A choice of different gratings with different dispersions and blaze angles enable applications in the 200 to 1160 nm range.

Typically, dry eyes in the morning are caused by an imbalance in your tear film. This can develop due to environmental factors, poor sleep quality, allergies, and even underlying medical conditions. […]

The semiconductor industry can realize significant benefits from spectroscopic measurements during various stages of their processes. Fiber-optic based spectrometers offer a great value to the industry due to their ability to facilitate in situ measurements within processing environments and facilitate near real-time analysis.

Raman spectroscopy allows the obtaining of individual spectral ‘fingerprints’ of materials. This form of spectroscopy is commonly used in chemistry and in pharmaceutical and medical fields to provide information by which molecules can be identified. To offer our customers optimum performance for a reasonable price, Avantes joined forces with two different partners to offer you three convenient Raman bundles, consisting of a high-performing spectrometer (three different models), a unique laser-probe combination (785nm) supplying enhanced signals and an outstanding software package to analyze the Raman spectra.

Carrots are packed with beta-carotene, which is very good for your eyes! But they’re just one piece of the puzzle. A healthy diet and proper eye care are essential for maintaining good eyesight. So, when your world is blurry, it’s generally better to reach for your glasses than a carrot. […]

The Compact spectrometer is compatible with Avantes light sources, accessories, and AvaSoft software, enabling users to customize their setups to suit their measurement requirements.

All outputs have a LED indicating their status (selectable with jumpers). Furthermore, RS232 connectors are provided. For the ASC version a power, USB and SYNC connector are on the PCB. The PCB-IO-EXT-BES will be connected to the AvaSpec-ULS or AvaSpecULSi IO Connector with an interface cable.

For in-line absorbance or fluorescence measurements, Avantes offers the in-line flow cells. They are available for tubing diameters of 1/4, 1/2 and 1 inch. The flow cells consist of Swagelok union cross tube fittings and two UV/VIS/NIR collimating lenses.

Below you can find the different versions of our software, several add-ons to perform specific measurements like colour and irradiance and our interface packages for Windows and Linux libraries. Besides our own software, we offer Panorama© and Specline Analytical software for specific demands in capabilities.

The standard SMA-905 connector supplies an easy connection between the lamp and optical fibres, making the AvaLight-CAL-xxx a low-cost wavelength calibration system for any fibre-optic spectrometer. AvaSoft-Full spectroscopy software includes an automatic recalibration procedure.

Have you ever thought about getting elective eye surgery to correct your vision? Many people decide to have corrective surgery to eliminate the need for glasses or contacts. The most well-known type of surgery is laser eye surgery. There are also non-laser surgery options, such as implantable lenses (or ICLs). Types of corrective laser surgery: […]

To perform such a measurement, usually a parallel lightbeam is used while utilizing collimating lenses between the fiber optics of the setup. The object of interest is then placed between these collimating lenses to measure what light is transmitted through the material.

When connected to your AvaSpec spectrometer through the Y cable, the flashes are synchronized with the data collected by the spectrometer. The number of flashes per scan can be selected in AvaSoft.

Designed for broadband measurements, this UV/VIS absorbance bundle features a high-power deuterium halogen light source with an integrated shutter and a variable dip probe. A versatile bundle to measure absorbance in most situations.

To ensure the highest level of flexibility, AvaSoft-All includes AvaSoft-Full and all application modules described in the subsequent pages. This means you can perform colour, irradiance, chemometry, LIBS, thin film, and Raman measurements, process control, and real-time exporting to Excel – all in one convenient software package.

The application of spectroscopy to botany, horticulture and agriculture enables sophisticated spectral analysis of wavelengths of interest to plant scientists. Fiber-optic spectrometers provide the added benefit of real-time in-situ measurements of plants. Avantes’ instruments are being used in a variety of plant applications ranging from chlorophyll detection in crops to the measurements of sugar (ºBx or brix) in fruit, and radiometric measurements of light levels in greenhouse environments.

When it comes to maintaining clear vision, there’s a certain term often thrown around during eye exams that may not be well understood—20/20 vision. It’s used by optometrists to describe optimal vision or visual acuity, but what does this term actually mean?  20/20 vision is the term used to describe normal visual acuity (the clarity […]

Manual Rotary stage ... Rotary stage of Big Platform 7R170-190 is used to rotate manually large optical and other components through continuous 360° with accuracy ...

Small and sensitive: the AvaTrigger! Designed for use with any AvaSpec-USB2/EVO spectrometer, it enables two different external triggering methods: optical and manual.

It’s common for patients to experience little struggles with their vision when they’re younger, but age brings many changes to your vision and eye health. There is an increased risk of eye disease, but caring for your sight can help you enjoy comfortable, clear vision.  Whether you have glasses or not, many patients want to […]

All AvaBench optical benches are fully compatible with Avantes’ electronics boards or may be interfaced to customer-specific electronics. Video output is handled through a separate mini-coax cable.

Avantes, the leading OEM spectroscopy manufacturer and designer is the best choice for high-quality and highly reproducible spectroscopy solutions for low-volume and high- volume customers.

The difference between astigmatism, myopia, and hyperopia is the physical shape of your eye and how that shape changes where your vision becomes blurry. […]

The AvaSpec StarLine family of instruments is comprised of high-performance spectrometers which exceed the demands of most general spectroscopy applications. This instrument line offers a wide array of solutions for various uses, while providing excellent price-to-performance ratios.

The WS-2 reference tile is made out of a white diffuse PTFE based material, which is considered the highest-grade reference material for diffuse reflectance. It is mostly used in colorimetric application where a reference signal has to be obtained during a reflection measurement.

The early warning signs for glaucoma include increased pressure in the eye, gradual loss of peripheral vision, and, on occasion, blurry vision. […]

We take pride in collaborating with our customers to supply the right solution, on time. Whether you need a custom configured optical bench or a specialized fibre-optic probe, we have the experience and dedication to make it happen. While we gladly develop custom-made devices, we also offer several modular and highly configurable OEM options.

Contact lenses are a popular option for vision correction; many people prefer them to glasses. Contact lenses do have several benefits, such as being able to wear non-prescription sunglasses and having better peripheral vision. However, contact lenses are a medical device that sit on your eye (they sit on a layer of tear fluid on […]

Since the AS-7010 and the AS-5216 electronic boards share the same IO connections, the AVS-DEVKIT-AS5216 can also be used in combination with the AS-7010 electronics board.

This item is equipped with two COL-UV/VIS collimating lenses to support applications in the 200-2500 nm wavelength range.

We’ve all experienced that uncomfortable sensation of feeling as though something is in our eye. You’re blinking like crazy, sure that there’s a speck stuck in your eye, yet no matter how much you look there’s nothing to be found.

Our AvaLight-HPLED light sources produce continuous or pulsed spectral output at different wavelengths. All sources have an SMA-905 connector to connect fibre optics and come with a 5V/1.6A power supply. This high-power LED light source can be used as a DC source or pulsed with a programmable Pulse Width Modulation (PWM), supplied by an AvaSpec-USB2 or EVO spectrometer (IC-DB26-2 cable needed).

The NIRLine is comprised of both thermoelectrically cooled and uncooled instruments. The AvaSpec-NIR256/512-1.7 features an uncooled 256 or 512 pixel InGaAs detector. All other instruments in the NIRLine have thermoelectric, peltier-cooled InGaAs detectors which support cooling down to -25°C against ambient.

Both in-line filter holders come with two quartz collimating lenses for the UV/VIS/NIR range. Avantes offers a wide range of round 12 mm filters (for FH-INLINE).

The AvaLight-XE-HP is a pulsed xenon light source, perfect for ultraviolet applications, such as fluorescence. This high-power light source comes in a compact housing, making it very well-suited for integration into a customers existing systems. Compared to the AvaLight-XE (2W), the XE-HP provides significantly more power.

The absorbance (also called optical density) of a material is a logarithmic ratio of the radiation falling upon a material, to the radiation transmitted through a material. UV/VIS absorbance measurements encompass a wide variety of chemical and biochemical applications which involve many areas of research and industrial end uses. UV/VIS absorbance can be applied qualitatively and quantitatively in spectroscopic measurement applications ranging from blood parameters to chemical concentrations in process and reaction monitoring.

To measure colour, wide angle diffused light from a sample is analyzed. This bundle includes a handheld 50mm integrating sphere and a compact spectrometer. With this bundle, your measurements are free of the gloss-specular component. The measurement optics are placed under an 8º angle (D/8 SPIN).

Diagnosing vision problems in the early stages can allow your optometrist to provide preventative treatment for conditions including glaucoma, and retinal diseases like age-related macular degeneration (AMD).

Many Canadians wear contacts as an alternative to eyeglasses or laser eye surgery. Contacts can offer comfort and convenience while you’re moving through your daily tasks. You could even forget you’re wearing them—until suddenly something changes. Maybe they fell out, or worse, maybe they got stuck. You may panic, rub your eye, try to blink […]

The ATT-INL-EXT is coupled between two SMA terminated fibre-optic cables, whereas the ATT-DA can be connected directly to the light source. Both devices consist of two UV/VIS/NIR collimating lenses mounted on either side of an adjustable iris. The attenuation can be set from 0-100% and can be fixed with a set screw.

The AVS-DEVKIT-AS(C)5216 contains the PCB-IO-EXT-BES Printed Circuit Board. This board has several screw terminals for easy connectivity to the IO points, a BNC connector for the input trigger as well a push button for manual control.

The measurement needs of the solar industry are quite diverse, ranging from process control applications in the manufacturing of thin film photo-voltaic panels through direct solar measurements and solar simulator characterization.

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Wavelength ranges, resolution tables, detector specifications, and AvaBench options can be found in the instrument page corresponding to each spectrometer type. The key specifications of the NIR optical benches are listed in the table below.

Vision stands out as one of our most precious senses, playing a crucial role in how we perceive and engage with our surroundings. It enables us to enjoy the beauty of a landscape, recognize the faces of our loved ones, and navigate through the complexities of our environment. Despite its importance, many people find themselves […]

For measurement of high-powered LEDs and sources, Avantes offers the AvaSphere-100, -150 and -200mm. The number corresponds with the internal diameter of the spheres in millimetres.

Polarized light technique is based on the principle that the presence of moisture on the surface of reflection tends to cause polarization in the reflected beam ...

Blue eyes have less melanin, a pigment that provides some protection against the UV rays from the sun. Melanin helps to absorb light, and with less of it, blue eyes are more susceptible to damage from bright sunlight. […]

All AvaBench NIR optical benches have symmetrical Czerny-Turner designs with a fibre-optic entrance connector (standard is SMA; other options are available), a specially designed collimating focusing mirror, and a diffraction gratin A choice of different NIR gratings can be selected with the products.

Wavelength ranges, resolution tables, detector specifications, and AvaBench options can be found in the instrument page corresponding to each spectrometer type. The key specifications of these optical benches are listed in the table below.

Rest assured, the transition to NEXOS™ is purely a name change and does not compromise the high-quality performance and reliability you’ve come to expect from our products. NEXOS™ represents more than just a name; it symbolizes our commitment to providing you with an ideal setup tailored to your application’s requirements.Â

Avantes spectrometers feature great flexibility, offering multiple Input/Output connections. These IO can be used with Avasoft 8 (Time Series) or with customized applications. The DEVKITs are designed to make life easier in the development stage. Instead of fabricating or soldering a cable with the right connections, you can now easily connect using the screw terminals.

Dr. Gerlitz was born and raised in Calgary, earning her Bachelor of Science degree from the University of Alberta. After graduation, Dr. Gerlitz went on to study Optometry at the University of Waterloo. In her final year of study, Dr. Gerlitz interned with ophthalmologists in Florida as part of her Ocular Disease and Therapeutics rotation. This experience inspired Dr. Gerlitz’s passion for managing conditions such as glaucoma, macular degeneration, and dry eye.