| 薄片激光器均匀抽运及均匀冷却技术研究 |
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| 引用本文： | 蔡震,王小军,蒋建锋,涂波,靳全伟,赵娜,姚震宇,唐淳.薄片激光器均匀抽运及均匀冷却技术研究[J].中国激光,2010(10). |
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| 作者姓名： | 蔡震 王小军 蒋建锋 涂波 靳全伟 赵娜 姚震宇 唐淳 |
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| 作者单位： | 中国工程物理研究院应用电子学研究所;北京应用物理与计算数学研究所; |
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| 基金项目： | 国家自然科学基金重大项目(60890201)资助课题 |
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| 摘 要： | 均匀抽运及均匀冷却是激光二极管抽运激光器减小热致光学畸变以实现高光束质量输出的核心技术难题。通过开展键合薄片激光均匀抽运及均匀冷却技术的研究,采用透镜压缩结合波导匀化的设计思想,实现了95%以上的抽运均匀性。同时通过对薄片介质冷却通道的优化设计,实现了优于96%的温度分布均匀性。原理验证实验结果表明薄片介质的波前畸变得到了有效控制,当平均抽运功率密度为230 W/cm2时,忽略离焦效应后介质的反射波前畸变均方根值约为0.35μm。
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| 关 键 词： | 固体激光器 增益分布 温度分布 光学畸变 |
Study of Uniform Pumping and Uniform Cooling on Thin Disk Laser |
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| Cai Zhen Wang Xiaojun Jiang Jianfeng Tu Bo Jin QuanweiZhao Na Yao Zhenyu Tang Chun Institute of Applied Electronics,China Academy of Engineering Physics,Mianyang,Sichuan ,China Institute of Applied Physics , Computation Mathematics,Beijing ,China.Study of Uniform Pumping and Uniform Cooling on Thin Disk Laser[J].Chinese Journal of Lasers,2010(10). |
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| Authors: | Cai Zhen Wang Xiaojun Jiang Jianfeng Tu Bo Jin QuanweiZhao Na Yao Zhenyu Tang Chun Institute of Applied Electronics China Academy of Engineering Physics Mianyang Sichuan China Institute of Applied Physics Computation Mathematics Beijing China |
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| Affiliation: | Cai Zhen1 Wang Xiaojun2 Jiang Jianfeng1 Tu Bo1 Jin Quanwei1Zhao Na1 Yao Zhenyu2 Tang Chun11 Institute of Applied Electronics,China Academy of Engineering Physics,Mianyang,Sichuan 621900,China2 Institute of Applied Physics and Computation Mathematics,Beijing 100088,China |
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| Abstract: | Uniform pumping and uniform cooling are key techniques to reduce thermo-optical distortion and to achieve high beam quality output for solid-state laser.Uniform pumping and uniform cooling technique researches about bonding thin disk are carried out.Pumping uniformity of 95% is achieved by using lens compress and waveguide uniform pumping coupling frame.The temperature distribution uniformity is better than 96% through optimizing cooling channels.The experimental results show that the wave-front distortion ... |
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| Keywords: | solid-state laser gain distribution temperature distribution optical distortion |
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