High-power 390-nm laser source based on efficient frequency doubling of a tapered diode laser in an external resonant cavity

被引：29

作者：

Bhawalkar, JD ^{[1
]}

Mao, Y ^{[1
]}

Po, H ^{[1
]}

Goyal, AK ^{[1
]}

Gavrilovic, P ^{[1
]}

Conturie, Y ^{[1
]}

Singh, S ^{[1
]}

机构：

[1] Polaroid Corp, Cambridge, MA 02139 USA

来源：

OPTICS LETTERS | 1999年 / 24卷 / 12期

关键词：

D O I：

10.1364/OL.24.000823

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We frequency doubled the single-frequency beam from an external-cavity tapered laser diode operating at 780 nm in a resonant cavity containing a beta-barium berate crystal to generate an output at 390 nm with high efficiency. Output powers as great as 233 mW were obtained, corresponding to an efficiency of 65%/W. The resonant-cavity design was a low-loss three-mirror configuration that provided compensation for astigmatism and coma. The laser diode frequency was locked to the doubling-cavity resonance by use of the Hansch/Couillaud discrimination technique. (C) 1999 Optical Society of America.

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页码：823 / 825

页数：3

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