Change of optimum conditions of second harmonic generation of spatial limited laser beams in nonlinear crystals

被引：0
|
作者：
U.K. Sapaev
I.A. Kulagin
T. Usmanov
机构：
[1] Laser-Matter Interaction Laboratory,Academy of Sciences of Uzbekistan
[2] NPO Akadempribor,undefined
来源：
Optical and Quantum Electronics | 2003年 / 35卷
关键词：
KDP crystal; nonlinear crystals; second harmonic generation; spatial limited laser beams; walk-off angle;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Frequency doubling of spatially limited laser beams in nonlinear crystals is investigated theoretically. It was shown that the major factor, which reduces the second harmonic generation (SHG) efficiency in this case, is a diaphragm aperture effect, caused by influence of extraordinary polarized laser beams. In that case a spatial shift of mutually orthogonally polarized beams of the incident waves relative to each other in perpendicular direction of wave transmission at the entry to crystals lead to increase the efficiency of SHG of limited beams.
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页码：1311 / 1315
页数：4
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