Indium Arsenide: A Simpler Solution!
Indium Arsenide (InAs) combines the refractive index profile of silicon with a short-wavelength blocking range broader than germanium. Reynard Corporation routinely manufactures InAs windows with surface qualities approaching 10-5 per MIL-PRF-13830. Substrates can be coated and verified to meet any customer spectral requirement from room temperature to 80K. Coatings are routinely verified to pass the adhesion, humidity, and moderate abrasion requirements of MIL-C-48497A.
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