Film's forming materials for laser optics

Evgeny N. Kotlikov; Boris N. Gumenik; Vasily A. Ivanov; Elena V. Khonineva; Vadim N. Prokashev; Michael N. Tkachuk; Alexej N. Tropin

doi:10.1117/12.726519

25 January 2007 Film's forming materials for laser optics

Evgeny N. Kotlikov, Boris N. Gumenik, Vasily A. Ivanov, Elena V. Khonineva, Vadim N. Prokashev, Michael N. Tkachuk, Alexej N. Tropin

Author Affiliations +

Proceedings Volume 6596, Advanced Optical Materials, Technologies, and Devices; 65961H (2007) https://doi.org/10.1117/12.726519
Event: Advanced Optical Materials, Technologies, and Devices, 2006, Vilnius, Lithuania

Abstract

Interference coating for infrared spectral region required the transparent optical films with different refraction indexes and minimal an absorption factor. It is well known¹, that chalcogenide materials based on sulphide and selenide are the perspective film's forming materials for manufacturing of the interference coating (IC). Among the known materials, the minimal absorption factors have arsenic chalcogenide films. The value of optical losses due to absorption and scattering of the quote wave films of As₂Se₃ on 10 microns wavelength is less than 10^-5. It allows using them for manufacturing of the high quality optics in wide optical region, including optics for CO₂ powerful lasers¹. Despite of good operational characteristics and the small optical losses, many of known chalcogenide materials have not received a wide distribution. One of the reasons of that is the absence of the data of their film's optical constants (OC) of these substances, which strongly depend on a way and conditions of manufacturing and are different from OC of initial monocrystals. In the present work was investigated the optical constants of the chalcogenide films (As₂Se₃, AsS₄, AsSe₄, AsS_16.2 Se_16.2) in 0.5-2.5 (micron)m spectral range.

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Evgeny N. Kotlikov, Boris N. Gumenik, Vasily A. Ivanov, Elena V. Khonineva, Vadim N. Prokashev, Michael N. Tkachuk, and Alexej N. Tropin "Film's forming materials for laser optics", Proc. SPIE 6596, Advanced Optical Materials, Technologies, and Devices, 65961H (25 January 2007); https://doi.org/10.1117/12.726519

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