Knight Optical can offer you stock and custom lambda/10 mirrors for use in government testing for aerospace, in a range of materials such as BK7 or equivalent, Zerodur, Quartz, UV Fused Silica and many more. Mirrors are made from low expansion glass for optimum stability to maintain the lambda/10 flatness. The mirrors help produce high quality images and can be coated with a variety of coatings to ensure that the perfect quality image in the wavelength you require is achieved: Enhanced aluminium 94%R for visible applications. 99.9% dielectric for laser use in visible applications. UV aluminium for UV applications down to 180nm. 98.5% dielectric for laser use in the NIR applications. Ion plated silver for NIR-2000nm applications. Protected gold for 750nm to far infra-red applications λ/10 mirrors are used in the aerospace environment due to the vibration, temperatures & pressure through which they are exposed. To Find out More read the PDF
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Due to high intensity light from the laser, mirrors used with a laser application require a high damage threshold, and high reflectivity. Knight Optical can help! Laser mirrors are used to reflect or redirect the laser. This manipulation of the beam means it is great for laser applications where there is limited space, as the beam can be steered multiple times. We manufacture mirrors used in the UV/VIS/NIR and infrared. We provide a number of mirrors from stock with coatings at infrared wavelengths such as: Dielectric (98% NIR) Protected Silver (96% VIS/NIR) Protected Gold (97%@750-FAR IR) These are available to purchase from stock in a wide ranges of sizes from 6.3 mm in diameter to a 300mm x 300mm square and various different thicknesses. They are also available with varying flatness specifications with λ/10 also available for immediate shipment and for you to achieve the highest performance. Read PDF for full specification..
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Knight Optical can offer UV Fused Silica Lenses for Solid State Laser applications. UV FS is a prime choice for lenses in use with Solid State Lasers due to its consistently high transmission in the UV/VIS/NIR regions. This means that it can be used with a range of different laser types, such as Titanium-doped sapphire (tuneable to 660-1080nm) or Alexandrite (tuneable to 700-820nm) with very little change in performance. UV FS is comparable to N-BK7 or other similar optical glasses in its performance, having a very similar average transmission over the VIS range up to approximately 2000nm and a slightly lower refractive index. The Abbe constants of UV FS are also very similar to that of N-BK7, although slightly higher. Read PDF for full specification
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Knight Optical can offer Littrow Prisms for use within Laser Applications. We supply a range of Littrow Prisms for a range of applications. All individually QA checked and metrology tested for quality to ensure parts meet customer specification. Supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications. Knight Optical supply precision optical components to customers within Laser Applications. Littrow Prisms are used near the end of an optical cavity of a laser system to finely adjust the output frequency by changing the AOI of the prism. For more information read PDF …
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Optical Coherence Tomography otherwise known as OCT is an advanced technology used specifically within retinal imaging and analysis. This non-invasive technology was designed to provide highly detailed images of the retina as well as the optic nerve. It uses light waves to take cross-section images of your retina, using OCT it is possible to see each of the retina’s distinctive layers. Within OCT’s, a light source with a broad optical bandwidth is used for illumination and is split by a Non-Polarising Beam-Splitter into 2 paths referred to as the reference and sample arms. The light from both the reference and sample arms are reflected back and combined at the detector. An interference effect is seen at the detector in the reference and sample arm only if the time travelled by the light is nearly equal. Read PDF for more info
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