Generation of 22.8 mW single-frequency green light by frequency doubling of a 50-mW diode laser

被引:10
|
作者
Hayasaka, K [1 ]
Zhang, Y [1 ]
Kasai, K [1 ]
机构
[1] Natl Inst Informat & Commun Technol, Kansai Adv Res Ctr, Kobe, Hyogo 6512492, Japan
来源
OPTICS EXPRESS | 2004年 / 12卷 / 15期
关键词
D O I
10.1364/OPEX.12.003567
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We report frequency doubling of an extended-cavity diode laser in an a-cut KTP crystal. Continuous-wave, single-mode green light at 540 nm with a power of 22.8 mW was generated from an input of 44.2 mW by type II non-critical phase matching. Stable operation with intensity fluctuations smaller than 1% peak-to-peak for more than two hours was achieved by employing resonant optical feedback. The optical feedback also reduced the fundamental-wave linewidth to the upper limit of 41 kHz. (C) 2004 Optical Society of America.
引用
收藏
页码:3567 / 3572
页数:6
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