Reduction of timing jitter in a Q-Switched Nd:YAG laser by direct bleaching of a Cr4+:YAG saturable absorber

被引：57
|
作者：
Cole, Brian [1 ]
Goldberg, Lew [1 ]
Trussell, C. Ward [1 ]
Hays, Alan [1 ]
Schilling, Bradley W. [1 ]
McIntosh, Chris [1 ]
机构：
[1] USA, RDECOM, CERDEC, Night Vis & Elect Sensors Directorate, Ft Belvoir, VA 22060 USA
来源：
OPTICS EXPRESS | 2009年 / 17卷 / 03期
关键词：
ABSORPTION;
D O I：
10.1364/OE.17.001766
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A method for optical triggering of a Q-switched Nd:YAG laser by direct bleaching of a Cr:YAG saturable absorber is described. This method involves the bleaching of a thin sheet of the saturable absorber from a direction orthogonal to the lasing axis using a single laser diode bar, where the Cr:YAG transmission increased from a non-bleached value of 47% to a bleached value of 63%. For steady state operation of a passively Q-switched laser (PRF=10Hz), the pulse-to-pulse timing jitter showed similar to 12X reduction in standard deviation, from 241 nsec for free running operation to 20 nsec with optical triggering. (C) 2009 Optical Society of America
引用
收藏
页码：1766 / 1771
页数：6
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