Green two-frequency pulsed laser: intracavity doubling of helicoidal eigenstates

被引：4
|
作者：
Lai, ND [1 ]
Brunel, M [1 ]
Bretenaker, F [1 ]
机构：
[1] Univ Rennes 1, CNRS, UMR 6627, Lab Elect Quant Phys Lasers, F-35042 Rennes, France
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2003年 / 20卷 / 04期
关键词：
D O I：
10.1364/JOSAB.20.000662
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate, both theoretically and experimentally, how to build a pulsed intracavity-doubled two-frequency laser. To this aim, we use a Jones-matrix analysis in order to choose the orientations of the cavity anisotropies, namely, two quarter-wave plates, a passive Q-switch, and a doubling crystal. In particular, we find the conditions necessary for the simultaneous oscillation of the two eigenstates, depending on whether the doubling crystal is inserted between the quarter-wave plates or not. Continuous tuning of the frequency difference is provided by rotating one quarter-wave plate or the birefringent doubling crystal. Moreover, the efficiencies of second-harmonic generation and sum-frequency generation are controlled. The experimental results, obtained with a diode-pumped Nd:YAG-Cr:YAG laser intracavity doubled by a KTP crystal, are in agreement with the model. (C) 2003 Optical Society of America.
引用
收藏
页码：662 / 669
页数：8
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