These two-layer designs provide extremely low reflectance over a narrow range for any of the laser and telecommunication wavelengths through the visible and NIR regions. Reflectance is < 0.1% at the design wavelength, and the coatings survive all durability and environmental testing per MIL-C-675. The ion-assisted deposition process allows the temperature to be restricted to less than 100°C, making it compatible with sensitive substrates such as plastics and optical fibers.

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Stability and Repeatability of 2-Layer Anti-Reflection Coatings

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These multilayer designs provide very low reflectance at two separate wavelength bands anywhere within the visible and NIR spectra. Reflectance is < 0.2% at each of the design wavelengths, and the coatings survive all durability and environmental testing per MIL-C-675. The ion-assisted deposition process allows the temperature to be restricted to less than 100°C, making it compatible with sensitive substrates such as plastics and optical fibers.

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These multilayer designs provide very low reflectance over a broad range of wavelengths anywhere within the visible and NIR spectra. Reflectance values depend on the exact wavelength range; typical for the visible region would be R<0.3% average, R<0.5% maximum. The coatings survive all durability and environmental testing per MIL-C-675. The ion-assisted deposition process allows the temperature to be restricted to less than 100°C, making it compatible with sensitive substrates such as plastics and optical fibers.

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