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Proceedings Paper

SHG in γ-Ga2S3 powder
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Paper Abstract

We report results on comparative study of SHG in powder of promising nonlinear γ-Ga2S3 crystal. Digallium trisulfide powders with particle size from 20 μm to 500 μm were tested in comparison with powders of well-known LBO, BBO, KABO, KDP, and LN crystals under the pumping by 7 ns 1064 Nd:YAG laser. Laser-induced damage threshold of different powder fractions were determined. The γ-Ga2S3 shown high damage threshold and large SHG intensity: 56 times to that in LBO powder, 15 in BBO, 50 in KABO, 67 in KDP, and 3 in LN (for particle size: 20–50 μm), that renders it amongst the most promising crystal for frequency conversion of high-intense nanosecond radiation of near-IR lasers by optical rectification technique.

Paper Details

Date Published: 16 April 2018
PDF: 6 pages
Proc. SPIE 10614, International Conference on Atomic and Molecular Pulsed Lasers XIII, 1061424 (16 April 2018); doi: 10.1117/12.2303581
Show Author Affiliations
Dmitry M. Ezhov, Tomsk State Univ. (Russian Federation)
Alexander S. Tanichev, Tomsk State Univ. (Russian Federation)
Artem B. Kuznetsov, Institute of Geology and Mineralogy (Russian Federation)
Konstantin A. Kokh, Institute of Geology and Mineralogy (Russian Federation)
High Current Electronics Institute (Russian Federation)
Gregory V. Lanskii, Institute of Monitoring of Climatic and Ecological Systems (Russian Federation)
High Current Electronics Institute (Russian Federation)
Yury M. Andreev, Institute of Monitoring of Climatic and Ecological Systems (Russian Federation)
High Current Electronics Institute (Russian Federation)
Valery A. Svetlichnyi, Tomsk State Univ. (Russian Federation)
High Current Electronics Institute (Russian Federation)


Published in SPIE Proceedings Vol. 10614:
International Conference on Atomic and Molecular Pulsed Lasers XIII
Andrei M. Kabanov; Victor F. Tarasenko, Editor(s)

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