Abstract

This paper presents designs for antireflection coatings on germanium and silicon substrates, using the film-forming materials ZnS, Ge, YF₃, and MgF₂. The spectral characteristics of the residual reflection and transmission of the coatings are presented in the 3-5-μm and 8-12-μm spectral regions.

© 2009 Optical Society of America

Antireflection Coatings for Germanium and Silicon in the Infrared*

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Design and manufacture of low-absorption ZnS–YF₃ antireflection coatings in the 3.5–16-μm spectral range

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Infrared optical absorption loss of antireflection coatings on germanium and potassium chloride substrates at the 10-μm wavelength by the photothermal deflection technique

Xu Liu, Geogy Atanassov, Pei-fu Gu, Qin Sao, and Jin-fa Tang
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