The focus is given to the influence of pumping power, cavity length, the output coupler transmission and initial transmission on the repetition rate, pulse width and output power of laser output.

着重研究了抽运功率、腔长、输出镜透过率以及初始透过率等因素对激光输出脉冲序列的重复率、脉冲宽度以及输出功率的影响。

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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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