Efficient 550-600-nm tunable laser based on noncritically phase-matched frequency doubling of room-temperature LiF:F2- in lithium triborate

被引:7
作者
Giffin, SM
Baxter, GW
McKinnie, IT
Ter-Mikirtychev, VV
机构
[1] Univ Otago, Dept Phys, Dunedin 9015, New Zealand
[2] Engana Pty Ltd, Eveleigh, NSW 1430, Australia
[3] Coherent Technol Inc, Boulder, CO 80302 USA
[4] Spectra Phys Lasers Inc, Mountain View, CA 94041 USA
关键词
D O I
10.1364/AO.41.004331
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We report on efficient conversion of a 1064-nm Nd:YAG laser to tunable visible light. The conversion scheme uses noncritically phase-matched second-harmonic generation of a pulsed Nd:YAG-pumped LiF:F-2(-) laser in lithium triborate. Optimization yields 42% LiF:F-2(-) laser efficiency and 56% frequency doubling efficiency, providing >20% conversion from 1064 nm to broadly tunable visible output. A dramatic sensitivity of laser efficiency to pump pulse duration is recorded, with a fundamental efficiency improvement of over 30-fold measured for an increase in pump pulse duration from 5 to 34 ns. (C) 2002 Optical Society of America.
引用
收藏
页码:4331 / 4335
页数:5
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