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首页> 外文期刊>Journal of optics >High-power 355 nm third-harmonic generation with effective walk-off compensation of LBO
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High-power 355 nm third-harmonic generation with effective walk-off compensation of LBO

机译：大功率355 nm三次谐波发生器，具有有效的LBO偏离补偿

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摘要

Walk-off compensation using wedged cut typeII LBO was investigated theoretically and experimentally. An algorithm is proposed to find the optimized wedged cut angle to compensate the walkoff effect completely. Using a pulsed Nd:YVO_4 MOPA laser as the fundamental frequency infrared (IR) source, 36.3 W 355 nm frequency converted ultraviolet (UV) light was obtained using an optimized wedged cut typeII LBO for walk-off compensated third-harmonic generation (THG), giving a conversion efficiency of 37.1% from IR to UV. A comparative experiment using a conventional cut type-II LBO was also implemented. The results indicate that optimized wedged cutting of type-II LBO is an effective approach for walk-off compensation in efficient THG. The output performance of angle and temperature tuning for wedged cut type-II LBO was also investigated.
机译：理论上和实验上研究了使用楔形切口II型LBO的走步补偿。提出了一种算法，以找到最佳的楔入切角来完全补偿走离效应。使用脉冲Nd：YVO_4 MOPA激光作为基频红外（IR）源，使用优化的楔形切割IIB型LBO获得了36.3 W 355 nm变频紫外线（UV）光，用于步态补偿第三谐波产生（THG） ，从IR到UV的转换效率为37.1％。还进行了使用常规II型切割LBO的对比实验。结果表明，优化的II型LBO楔形切割是在有效THG中进行补偿的有效方法。还研究了楔形切割II型LBO的角度和温度调整的输出性能。

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