DY(2+)-CAF2 SATURABLE-ABSORBER Q-SWITCH FOR THE RUBY-LASER

被引:16
作者
KUO, YK
CHEN, W
STULTZ, RD
BIRNBAUM, M
机构
[1] Center for Laser Studies, University of Southern California, Los Angeles, CA, 900891112, University Park
关键词
PASSIVE Q SWITCHING; SATURABLE ABSORBER;
D O I
10.1364/AO.33.006348
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Passive Q switching of a flash-lamp-pumped ruby laser has been demonstrated with a Dy2+:CaF2 saturable absorber at room temperature. Typically a single Q-switched pulse of 4.5 mJ and 94 ns was observed. At 694 nm, the ground-state absorption cross section and excited-state absorption cross section of the Dy2+:CaF2 absorber were found to be 1.2 x 10(-18) cm2 and 0.9 x 10(-18) cm2, respectively, with a four-level slow-relaxing saturable-absorber model.
引用
收藏
页码:6348 / 6351
页数:4
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