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首页> 外文期刊>Optics Letters >Continuous-wave single-frequency 532 nm laser source emitting 130 W into the fundamental transversal mode
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Continuous-wave single-frequency 532 nm laser source emitting 130 W into the fundamental transversal mode

机译:连续波单频532 nm激光源发射130 W到基本横向模式

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摘要

The nonlinear effect of second-harmonic generation is an efficient way to realize high-power green laser sources. But when scaling up the harmonic power, many setups reported in the literature have been limited by conversion efficiency degradation or the fundamental laser power. Here we report on the generation of 134 W of cw laser light at a wavelength of 532 nm from a fundamental power of 149 W by second-harmonic generation in an external optical resonator comprising a lithium triborate crystal. The external conversion efficiency was 90percent. The harmonic light consisted of a single spectral line. At least 97percent of it was emitted into the fundamental transversal mode.
机译:次谐波产生的非线性效应是实现高功率绿色激光源的有效方法。但是,在放大谐波功率时,文献中报道的许多设置都受到转换效率下降或基本激光功率的限制。在这里,我们报告了在包含三硼酸锂晶体的外部光学谐振器中通过二次谐波产生从149 W的基波功率产生532 W波长的532 W CW激光。外部转换效率为90%。谐波光由一条光谱线组成。至少有97%的光被发射到基本横向模式。

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