a Institute of Opto-Electronics, Harbin Institute of Technology, Harbin 150001, China; b Department of Applied Physics, Harbin University of Science and Technology, (West Campus), Harbin 150080, China; c Institute for Optical Monitoring, Siberian Branch, Russian Academy of Sciences, Tomsk 634055, Russia Federation; d Kuban State University, Krasnodar 350040, Russia Federation
Abstract The basic optical property and phase-matching of new mixed AgGaGeS$_4$ crystal are presented. Frequency conversion, in particular the SHG of 30ns pulses of 9μm emission band of transversely excited atmospheric-pressure (TEA) CO$_2$ laser, is realized in AgGaGeS$_4$ for the first time. As high as 0.57% peak power and 0.3% external energy efficiencies, and 0.7mJ harmonic pulse energy are obtained for the 9.55μm emission line at pump intensity of 4% level of the damage threshold.
Received: 09 April 2003
Revised: 13 May 2004
Accepted manuscript online:
PACS:
42.65.Ky
(Frequency conversion; harmonic generation, including higher-order harmonic generation)
(Beam characteristics: profile, intensity, and power; spatial pattern formation)
Fund: Project supported by National Natural Science Foundation of China (Grant No 69878005) and Natural Science Foundation of Heilongjiang province, China (Grant No F01-10).
Cite this article:
Ren De-Ming (任德明), Huang Jin-Zhe (黄金哲), Qu Yan-Chen (曲彦臣), Hu Xiao-Yong (胡孝勇), Andreev Yuri, Geiko Pavel, Badikov Valerii, Shaiduko Anna Optical properties and frequency conversion with AgGaGeS$_4$ crystal 2004 Chinese Physics 13 1468
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