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Diode-pumped green Nd:YAG laser with Q-switch and mode locking

机译:带有Q开关和锁模功能的二极管泵浦绿色Nd:YAG激光器

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摘要

We propose a new method for achieving simultaneous operation of laser mode locking and the Q-switch technique using only a single acousto-optic modulator (AOM) with a traveling wave; this AOM was placed inside the cavity of a green-emission Nd:YAG laser. The further shortening of the lasing pulse duration from 40 ps to less than 3.25 ps was obtained by the formation of a Kerr lens in a doubling-frequency crystal. At average output power of 1.5 W and pulse repetition rate of the Q-switch equal to 2 kHz, the peak power in a steady-operating laser exceeded 50 MW.
机译:我们提出了一种新的方法,该方法仅使用具有行波的单个声光调制器(AOM)即可实现激光锁模和Q开关技术的同时运行。该AOM放置在Nd:YAG绿光激光器的腔体内。通过在倍频晶体中形成Kerr透镜,可将激射脉冲的持续时间从40 ps进一步缩短到小于3.25 ps。在1.5 W的平均输出功率和Q开关的脉冲重复频率等于2 kHz的情况下,稳定运行的激光器的峰值功率超过50 MW。

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