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This narrow band anti-reflective (AR) is an excellent coating for targeting a single wavelength or very narrow band of wavelengths at or near 1550nm. Standard < 0.25% and high performance < 0.05% reflectivity specifications are available.

The first step is involving kids in understanding scientific research methods. They should understand the instruments that help scientists make discoveries, engineers make micro-machines, technologists understand tiny chips, and artists interpret the world they see and hear through artistic expression.

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When light shines, nearly everything it shines on will reflect at least some of it back. Kids can understand that our eyes gather that light. The light travels through the clear outer layer of the eye, called the cornea, to the crystalline lens. The cornea and lens work together to focus the light onto the back of the eye, where the retina converts the light to electric signals that travel along the optic nerve to the brain. The brain then interprets the signals as an image.

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This high efficiency broadband anti-reflective (AR) coating reflects less than 0.5% average from 425-675nm. Higher performance specifications are also available. Standard & custom coatings are available for refractive indices of 1.46-1.90.

A diffuser is an attachment for your blow dryer that changes the way air flows from a straight stream to a more diffused circle of air. If you could marry the ...

Often, our customers need a custom Anti-Reflective (AR) coating that is tailored to meet their specific requirements. The ZC&R Coatings for Optics division of Abrisa Technologies has developed thousands of Anti-Reflective (AR) coatings to fulfill such needs. If you have a custom Anti-Reflective (AR) requirement just let us know, and we will be happy to submit a design curve for your review.

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This broadband anti-reflective (AR) coating is particularly designed for telecommunication applications. It provides a low level of reflectance to less than 0.25% average from 1450-1650nm. Standard & custom coatings are available for refractive indices of 1.46-1.90.

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Muscles in the eye adjust the shape of the lens to focus correctly depending on what we’re looking at and how far away it is.

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This narrow band anti-reflective (AR) is an excellent coating for targeting a single wavelength or very narrow band of wavelengths. Standard < 0.25% and high performance < 0.05% reflectivity specifications are available.

When a child uses a microscope for the first time, they may ask lots of questions, which is a great quality in a scientist! One of the inevitable questions is, “How does it do that?” Here are ways to explain the functions of microscope objective lenses.

The microscope objective is positioned near the sample, specimen, or object being observed. It has a very important role in imaging, as it forms the first ...

This broadband anti-reflective (AR) coating is particularly designed for the ultra-violet (UV) region. It provides a low level of reflectance less than 0.5% average from 275-425nm. Standard & custom coatings are available for refractive indices of 1.46-1.90.

Similarly, the objective lens in a microscope captures and refracts the light reflected from an object, even a tiny object suspended in a drop of water. The ...

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Similarly, the objective lens in a microscope captures and refracts the light reflected from an object, even a tiny object suspended in a drop of water. The refraction of light through the objective lens creates a focused and magnified image of the object you’re looking at.

Most microscopes used in schools and labs have at least two, and usually more, lenses. Objective lenses are the lenses that directly observe the object the microscope user is examining. In stationary microscopes, the objective lens then focuses reflected light from the object up a tube toward the ocular lens, which is the lens the user looks through.

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This Long Wave Infrared (LWIR) Anti-Reflective (AR) coating provides a low level of reflectance for the far-infrared spectrum (8µm to 12µm). Band averaged reflectance is less than 1.0% at normal incidence.

Foldscope offers microscope kits for students that help students understand how microscopes and microscope objective lenses function while making them easy to take outside for exploration. Order microscope kits for your students today!

Oct 27, 2024 — This part is used to look at the specimen. These lenses come in different magnification powers from 5X to 30X, but the most common ocular lenses ...

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This broadband anti-reflective (AR) coating provides a low level of reflectance across a wide spectrum from 400-1100nm, reflecting less than 1.0% average. Standard and custom coatings are available for refractive indices of 1.46 to 1.90.

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These Anti-Reflective (AR) coatings are all dielectric, single or multi-layers, and are designed for low reflectance and high transmittance in the UV, visible, and near IR spectral bands. AR coatings meet the requirements of MIL-C-675C, MIL-C-14806A, and MIL-C-48497A. AR Coatings are often crucial components in optical systems with multiple lenses or other optics where the maximum possible light energy is needed. AR coatings help to produce brighter images while reducing the intensity of ghost images which may otherwise be produced in optical systems having multiple reflecting surfaces.

Now, portable, lightweight microscopes have objective lenses that work together with cameras on mobile phones to provide magnification. Using phones with portable microscopes adds the ability to capture magnified images and send them to databases for analysis or store them in the cloud or locally on the phone for future examination.

In addition to simply capturing reflected light to render an image, the objective lens of a microscope magnifies the image. Many stationary microscopes have several objective lenses that the user can rotate to view the object at varying levels, or “powers,” of magnification.

The first time peering through a microscope is a memorable moment for many budding scientists. As kids grow, their early curiosity can ripen into a more serious interest in science. Teachers and parents can foster kids’ interest in STEAM fields by allowing them to explore the universe of microscopic life that surrounds us all.

The ocular lens provides additional magnification and is adjustable. Users can turn a knob or move the binocular lenses (on microscopes with two eyepieces), mimicking the adjustments the natural lens in our eyes makes to see objects at different distances. This way, users with different levels of eyesight can manipulate the eyepiece to focus the image provided by the objective lens.

This Mid Wave Infrared (MWIR) Anti-Reflective (AR) coating provides a low level of reflectance for the mid-infrared spectrum (3000nm to 5000nm). Band averaged reflectance is less than 1.0% at normal incidence.

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The first group is made up of AR coatings that target one or more broad wavelength bands. Our BARC coatings are examples of this group.