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本文介绍了焦点刀口法测量光束发散角的原理,并且实际测出了BBO晶体腔内倍频的灯泵Cr:LiSAF巨脉冲激光器的输出光束的远场发散角。

In this paper, a theory of measuring the output beam divergence of a giant pulse laserusing knife-edge method at the focus of a lens was introduced, and the output beam divergenceangle of a Q-switched intracavity frequency-doubling Cr:LiSAF laser was obtained.

参考文献

[1] 雷仕湛编著.激光技术手册[M].北京:科学出版社,1992.98
[2] 陈长水,王佩琳,谢建平.调Q Cr:LiSAF可调谐激光器腔内二次谐波和三次谐波获得成功[J].中国激光,1999,26(7):602
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