Infrared 8- to 15-um high-efficiency antireflection coating on germanium substrate

Ke-fei Ye; Zhaoxu Su; JiaHuan Liu; Chongming Yang

doi:10.1117/12.318287

5 August 1998 Infrared 8- to 15-μm high-efficiency antireflection coating on germanium substrate

Ke-fei Ye, Zhaoxu Su, JiaHuan Liu, Chongming Yang

Proceedings Volume 3557, Current Developments in Optical Elements and Manufacturing; (1998) https://doi.org/10.1117/12.318287
Event: Photonics China '98, 1998, Beijing, China

Abstract

To increase the strength of infrared high efficiency antireflection coatings is a problem difficult to be resolved. A mixture of BaF₂ and CeF₂ has been used as a low refractive index material to design and prepare infrared 8 - 11.5 (mu) high efficiency anti-reflection coating to acquire good strength of film layer. The processing conditions of the films deposition have also been introduced. The spectral transmittance measured, physical and chemical properties of the infrared anti-reflection coating are given.

Citation Download Citation

Ke-fei Ye, Zhaoxu Su, JiaHuan Liu, and Chongming Yang "Infrared 8- to 15-μm high-efficiency antireflection coating on germanium substrate", Proc. SPIE 3557, Current Developments in Optical Elements and Manufacturing, (5 August 1998); https://doi.org/10.1117/12.318287

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