A single collimating lens has been designed to reduce the Angle of divergence.
采用单透镜准直系统进行发散角的压缩。
The result indicates that the single pulse energy and the Angle of divergence of output laser decrease, but the pulse width of output laser increases with the increase of the OPO cavity length.
结果表明，随着OPO腔长的增加，单脉冲输出能量、光束发散角减少，而脉冲宽度增加。
The result indicates that the single pulse energy and the Angle of divergence of output laser decrease, but the pulse width of output laser increases with the increase of the OPO cavity length.
结果表明，随着OPO腔长的增加，单脉冲输出能量、光束发散角减少，而脉冲宽度增加。
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