Efficient 1645-nm Er:YAG laser

被引：76
|
作者：
Young, YE [1 ]
Setzler, SD [1 ]
Snell, KJ [1 ]
Budni, PA [1 ]
Pollak, TM [1 ]
Chicklis, EP [1 ]
机构：
[1] BAE Syst, Informat & Elect Warfare, Nashua, NH 03061 USA
来源：
OPTICS LETTERS | 2004年 / 29卷 / 10期
关键词：
D O I：
10.1364/OL.29.001075
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report a resonantly fiber-laser-pumped Er:YAG laser operating at the eye-safe wavelength of 1645 nm, exhibiting 43% optical efficiency and 54% incident slope efficiency and emitting 7-W average power when repetitively Q switched at 10 kHz. To our knowledge, this is the best performance (conversion efficiency and average power) obtained from a bulk solid-state Q-switched erbium laser. At a 1.1-kHz pulse repetition frequency the laser produces 3.4-mJ pulses with a corresponding peak power of 162 kW. Frequency doubling to produce 822.5-nm, 4.7-kW pulses at 10 kHz was performed to demonstrate the laser's utility. (C) 2004 Optical Society of America
引用
收藏
页码：1075 / 1077
页数：3
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