Nonlinear frequency conversion of copper vapor laser radiation using convergent and parallel laser beams

被引：0
|
作者：
Karpukhin, VT [1 ]
Malikov, MM [1 ]
机构：
[1] Russian Acad Sci, Associated Inst High Temp, Moscow 127412, Russia
来源：
TECHNICAL PHYSICS | 2000年 / 45卷 / 04期
关键词：
D O I：
10.1134/1.1259656
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Results of experiments are presented on the comparison of the efficiency of radiation generation at the sum frequency (lambda = 0.271 mu m) of copper vapor laser (CVL) in a nonlinear DKDP crystal using either convergent or parallel laser beam. An intensity of UV radiation of 0.34 W and a conversion efficiency of 6% obtained under conditions of strong focusing occur to be substantially lower as compared to those obtained using a parallel laser beam of the same power (0.73 W and 12%, respectively). Experimental data on the structure of a CVL beam generated with an unstable resonator are presented, and physical reasons for the limitation of the efficiency of nonlinear frequency conversion are analyzed. (C) 2000 MAIK "Nauka/ Interperiodica".
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页码：467 / 469
页数：3
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