Pocket Microscope - pocket microscope
The PSY321(/S) Post Mounted Breadboard Brackets are designed to securely mount breadboards onto Ø1.5" posts. Each bracket will support any aluminum breadboard up to 12" x 12" (300 mm x 300 mm) in size, and has a maximum load capacity of 20 kg (44 lbs).
Not shown: Ø1.5" Translating Posts or Ø1.5" Damped Posts may also be used in lieu of the P6 Mounting Posts for applications requiring further height adjustment or reduced sensitivity to vibrations, respectively.
Longpass filters (sometimes called edge filters, long pass, long-pass, or LP) transmit wavelengths above (LP) a certain wavelength. This wavelength is called a cuton wavelength for longpass filters. LP filters can be used instead of bandpass filters in fluorescence applications to maximize signal when using a single fluorescent label, or to block the laser in Raman applications.
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Omega Optical has the capability to produce traditional Bandpass and Notch filters in the near-infrared (NIR), shortwave (SWIR), mid-wave (MWIR), long-wave (LWIR), and far infrared (FIR).
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Omega has been manufacturing UV filters for more than 85 years. UV light (in the 200 nm - 400 nm range) has many commercial and consumer-level applications. UV light can be used in photolithography or dentistry to photoset polymers, and in biomedical applications to excite molecules during surgery. It can be used to measure DNA and to sterilize our water and the air we breathe.
Reflective ND filters provide a linear spectral transmission across the visible region. They control light intensity without selectively absorbing energies at specific wavelengths. They are, therefore, generally used to attenuate the intensity of a beam of light over a broad spectral region. This property is often required to prevent saturation or damage to a wide variety of detectors and even the human eye.
A set of Ø1.5" Mounting Posts can be used to elevate an aluminum breadboard off of the work surface. At left, an MB1824 breadboard is shown with four P6 Mounting Posts. An adjustable, self-leveling BMF4 Mounting Foot is attached to each mounting post. The self-leveling mounting feet feature rubberized feet and screw thread height adjustment.
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A specialized version of a long-pass filter, typically designed to reflect the ultraviolet (UV) or visible (VIS) portion of the spectrum while passing longer infrared (IR) wavelengths.
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Thorlabs also offers Double Hole Density Aluminum Breadboards with 1/2" offset hole spacing, doubling the density of mounting holes. These are offered in sizes ranging from 4" x 24" to 8" x 36"(100 mm x 600 mm to 200 mm x 900 mm) with thicknesses of 0.5" (12.7 mm), making their slim profile ideal for compact work areas. The same double-hole-density pattern is also available on our Circular Breadboards.
Patterned filters are useful in applications where lateral space constraints require discrete wavelength selection. This is often the case with Earth Observation filters.
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A specialized version of a short-pass filter, typically designed to transmit the ultraviolet (UV) or visible (VIS) portion of the spectrum while reflecting longer infrared (IR) wavelengths.
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A more permanent Aluminum Breadboard mounting option, shown to the left, features pedestal-style Ø1.5" Mounting Posts clamped to an optic bench. The MB1824 Aluminum Breadboard to the left is elevated off the optic bench surface using a set of four P6 Mounting Posts, each with a PB4 Pedestal Base Adapter and PF175B Clamping Fork.
The selection guides below list every size offered for our honeycomb, solid aluminum, and acrylic breadboards. Simply locate the specific width and length needed and then select the type of breadboard. Expand each table by clicking the More [+] button within the header. Thorlabs also offers several unique breadboard solutions. For applications requiring temperature control, we offer anodized aluminum water cooled breadboards in several sizes, in addition to a temperature-controlled mini-series breadboard for small-scale operations. Our anodized aluminum large-area translation stages and rotating breadboards offer hand-operated positioning control, while our manual and motorized translating mounting platforms are ideal for use in microscopy applications.
In applications which demand spectral selectivity on the entrance or exit of a fiber, Omega has a solution to deposit one or more filter recipes to a fiber (or fiber bundle).
For applications with limited space, Thorlabs offers Mini-Series Breadboards with 4-40 (M3) or both 8-32 (M4) and 1/4"-20 (M6) tapped holes. These breadboards feature an increased tapped hole density and thinner breadboard thickness.
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Breadboard OS
Each breadboard features four or five mounting holes that are offset from the array of 1/4"-20 (M6) threaded holes to create an uninterrupted surface for any intended application. The four standard mounting holes are located at each corner of the breadboard, inset 1" from each edge (25 mm on metric). The larger imperial and metric breadboards have a fifth counterbored mounting hole at the center of each board (imperial boards 18" or wider, metric boards 450 mm or wider). Utilizing the center mounting hole increases the mounting options available, reduces stress at the corner mounting holes, and increases rigidity when heavy loads are placed on the boards (see photo to the right). The mounting holes may be used to attach the breadboards to variety of surfaces and mounts, including optical tables, other breadboards, mounting posts, and brackets. Please see the Mounting Options tab for more details.
Optical filters and dichroics operate based on thin-film interference. Multiple layers of dielectric materials with varying refractive indices are deposited on to a substrate using evaporation or sputtering. The constructive and destructive interference of light waves at these layers results in selective reflection and transmission of different wavelengths.
Not shown: PSY360 and PSY361 Breadboard Mounting Brackets can be used to mount breadboards to the lean bars of a ScienceDesk™ workstation.
These solid aluminum, nonmagnetic baseplates provide a convenient and cost-effective platform for assembling prototype optical assemblies, conducting experiments, and mounting small subsystems. They are finished with a black, minimally reflective anodized coating and are through-drilled with a standard 1" (imperial) or 25 mm (metric) hole pattern offset 1/2" or 12.5 mm, respectively, from the edges of the board. The holes are threaded completely through these breadboards, allowing components to be mounted on both sides at once. Breadboards are offered in either 1/2" or 3/4" thicknesses.
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Breadboard Kit
Enclosures may be added to Thorlabs' aluminum breadboards to house light and dust-sensitive equipment. Thorlabs offers a variety of plexiglass and standard darkening enclosures. The enclosure shown to the left has the front panel removed for access. Enclosures with sliding doors fabricated from plexiglass or black hardboard are also available.
Dichroic filters, also known as dichroic mirrors, are specialized optical filters that selectively transmit light of certain wavelengths while reflecting others. They are designed to work at specific angles of incidence, typically at 45 degrees.
Other Breadboard OptionsFor vacuum applications, we recommend using our selection of Unanodized Breadboards. Optical Breadboard Enclosures are available to protect sensitive equipment from dust, stray light, acoustic noise, and thermal variations. Enclosures are offered completely sealed or with sliding door access.
Omega routinely produces filters which selectively transmit or reject wavelength bands of less than 1nm and even less than 0.1nm
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Linear variable filters are bandpass filters that change center wavelength across one dimension of the part. They can be used as simple spectrometers or in order-sorting applications. These elements are very useful for Hyperspectral Imagers
Shortpass filters (sometimes called edge filters, short pass, Short-pass, or SP) transmit wavelengths below (SP) a certain wavelength. This wavelength is called a cutoff wavelength for shortpass filters. SP filters are often used in digital cameras to block undesired near-infrared (NIR) signals from reaching the camera. These types of filters are often called hot mirrors.
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Thorlabs' aluminum breadboards can be mounted vertically (or perpendicular to a mounting surface) using a wide variety of 90 degree mounting plates. For tall arrangements, we recommend the setup shown to the left. Here, the MB12 breadboard is vertically oriented using two VB01 Vertical Brackets. For smaller arrangements, the AB90, AP90, or AP90L Right-Angle Brackets may be used.
Custom BreadboardsWe offer a service for custom breadboard orders, with options that include hole pattern and spacing, size, thickness, and anodizing. For a quote, please fill out our custom breadboards form.
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Optical Filters and Dichroics are components which are used to transmit or block specific wavelengths of light, for the purpose of controlling light in an optical system.
Multi-band filters and dichroics are used when an optical system design cannot support multiple filters. These multi-band filters can be configured as bandpass or notch (band-reject) for desired ranges, and in dual, triple, quad, penta or even octo-band (8 bandpasses!).
Bandpass filters (also called band pass filters, BP filters or band-pass filters) have been a mainstay of Omega's business since the early days when we produced some of the first bandpass filters for supermarket scanners back in the mid-1970s. They are designed to have high transmission over a certain wavelength range while blocking light from other wavelengths to provide good signal-to-noise in the transmitting region.
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Thorlabs' aluminum breadboards may be mounted on a set of vibration isolation feet. These Sorbothane Mounting Feet may be used to isolate a small breadboard from its mounting surface.