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Carbon XT
This coating is designed for outer surface (O.S.) applications where severe environmental conditions are likely to be encountered and high transmission and low reflection are required. Durability is equal to that of our existing Hard Carbon coating (CO 4004), but the average transmission is 3% higher. The lower reflectance is useful in reducing potential narcissus effects. This coating is designed for use on germanium in the 8-12μm range, but variants for other infrared materials and other wavelengths are under development. |
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Infrared Filters
CVI Melles Griot now offers a complete infrared filter capability, from design through to volume production. The company carries out substrate fabrication, coating, edge metallising and dicing. Products include narrow band pass, wide band pass, long wave pass and short wave pass filters. Typical substrate materials are germanium, silicon and sapphire, depending on the wavelength and application. |
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Edge Metallisation
For applications where filters or windows need to be bonded to a detector can, CVI Melles Griot offers metallisation of the rim of the component. The types of metals used, the coating method and the evaporation sequence vary, depending on the temperature and pressure applied in the soldering process. As a result, customers can procure filters and windows for delivery straight to the production line. |
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