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16 October 2020 Fabrication of antireflection microstructure on GaSe crystal surface by single-pulse femtosecond laser ablation
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Abstract
GaSe crystals that are promising as nonlinear optical converters in the mid- and far-infrared ranges are charac- terized by high Fresnel losses leading to transmittance per surface at the level of 77%. In this study, antireflection microstructures (ARMs) were fabricated on the surface of the GaSe single crystal by single-pulse femtosecond laser ablation. This method makes it possible to increase the transmission up to up to 92%.
Conference Presentation
© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Andrey A. Bushunov, Andrei A. Teslenko, Mikhail K. Tarabrin, Vladimir A. Lazarev, Lyudmila I. Isaenko, Alexander P. Eliseev, Sergei I. Lobanov, and Vitalii N. Vedenyapin "Fabrication of antireflection microstructure on GaSe crystal surface by single-pulse femtosecond laser ablation", Proc. SPIE 11514, Laser-induced Damage in Optical Materials 2020, 1151419 (16 October 2020); https://doi.org/10.1117/12.2570879
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