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Stimulated Brillouin scattering phase-conjugated wave reflection from fused-silica glass without laser-induced damage

[+] Author Affiliations
Hidetsugu Yoshida, Hisanori Fujita, Masahiro Nakatsuka

Osaka University, Institute of Laser Engineering, 2-6 Yamada-oka Suita, Osaka 565, Japan

Kunio Yoshida

Osaka Institute of Technology, 5 Omiya, Asahi-ku, Osaka 535, Japan

Opt. Eng. 36(9), 2557-2562 (Sep 01, 1997). doi:10.1117/1.601498
History: Received Dec. 30, 1996; Revised Apr. 16, 1997; Accepted Apr. 16, 1997
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Abstract

The stimulated Brillouin scattering (SBS) reflectivity of bulk fused-silica glass is measured at the wavelength of 1.06 μm. At long pulse pumping using a longer focusing lens, a fused-silica glass shows high SBS reflectivity of approximately over 95% with no damage observation at a pumping energy of 380 mJ in a pulse duration of 15 ns. We have found that the laser-induced damage threshold at a high SBS reflectance condition is due to reduction of the transmitted power to focus. This makes it possible to operate with high performance in all solid state lasers using a phase-conjugated mirror with fused-silica glass. © 1997 Society of Photo-Optical Instrumentation Engineers.

© 1997 Society of Photo-Optical Instrumentation Engineers

Citation

Hidetsugu Yoshida ; Hisanori Fujita ; Masahiro Nakatsuka and Kunio Yoshida
"Stimulated Brillouin scattering phase-conjugated wave reflection from fused-silica glass without laser-induced damage", Opt. Eng. 36(9), 2557-2562 (Sep 01, 1997). ; http://dx.doi.org/10.1117/1.601498


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