Efficient Dual-LBO Second-Harmonic Generation by Using a Polarization Modulation Configuration |
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作者姓名: | 孙志培 李瑞宁 张瑛 姚爱云 林学春 许祖彦 王舫 毕勇 |
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作者单位: | [1]LaboratoryofOpticalPhysics,InstituteofPhysics,ChineseAcademyofSciences,Beijing100080 [2]CrystechInc,Qingdao266100 |
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摘 要: | We analyse the relationship of conversion efficiency with the inter-crystal phase shift by the heuristic theory and propose a novel configuration of two cascaded nonlinear crystals for the second-harmonic generation with the polarization modulation. With this configuration, 70% external doubling efficiency is obtained, which is, to the best of our knowledge, the highest conversion efficiency with LBO crystal externM frequency doubling. This configuration provides a simple and effective method to improve the second harmonic conversion efficiency.
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关 键 词: | 偏振调制 二次谐波产生 LBO晶体 高能可调激光器 倍增效应 |
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