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叠阵巴条指向性对空心导管耦合系统的影响

Influence of directivity of bars on pump-coupling in hollow duct

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摘要

在空心导管泵浦耦合系统中, 测量了激光二极管叠阵中巴条的实际指向性, 并带入仿真建模中, 以便获得更准确、更优的模拟结果。与采用理想巴条指向性的模型模拟结果相比, 耦合系统的耦合效率降低了11.2%。同时, 带入实际指向性的模型模拟结果, 具有更大的能量传输损耗和调制更深的泵浦光场分布, 且该仿真模拟结果与实验结果相符。结果表明, 在空心导管耦合系统设计中, 带入实际巴条指向性模型是获得精确模拟结果的必要条件。

Abstract

To get the best results in the simulation of designing a hollow-duct pump-coupling system, we measured the actual directivity of bars of laser diode arrays. Compared to the model with an ideal directivity of bars, the decrease in the coupling efficiency is as large as 11.2% in our model with the actual directivity of bars. A larger transmission loss and a worse intensity distribution of the pump field are got at the same time. The results of the simulation are well matched with that of the experiment. It is concluded that simulating with the actual directivity of bars is essential and more accurate.

Newport宣传-MKS新实验室计划
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中图分类号:TN242

DOI:10.11884/hplpb201830.180063

所属栏目:高功率激光与光学

基金项目:Science and Developmental Foundation of CAEP(2011A0401018); National Natural Science Foundation of China(61308039)

收稿日期:2018-03-07

修改稿日期:2018-08-01

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作者单位    点击查看

王振国:中国工程物理研究院 激光聚变研究中心, 四川 绵阳 621999
郑建刚:中国工程物理研究院 激光聚变研究中心, 四川 绵阳 621999IFSA协同创新中心, 四川 绵阳 621999
严雄伟:中国工程物理研究院 激光聚变研究中心, 四川 绵阳 621999
蒋新颖:中国工程物理研究院 激光聚变研究中心, 四川 绵阳 621999
李明中:中国工程物理研究院 激光聚变研究中心, 四川 绵阳 621999
李 敏:中国工程物理研究院 激光聚变研究中心, 四川 绵阳 621999

联系人作者:王振国(wangzhenguo@caep.cn)

备注:Wang Zhenguo(1982-), male, Ph.D, engaged in diode pumped solid state laser research.

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引用该论文

Wang Zhenguo,Zheng Jiangang,Yan Xiongwei,Jiang Xinying,Li Mingzhong,Li Min. Influence of directivity of bars on pump-coupling in hollow duct[J]. High Power Laser and Particle Beams, 2018, 30(11): 111002

王振国,郑建刚,严雄伟,蒋新颖,李明中,李 敏. 叠阵巴条指向性对空心导管耦合系统的影响[J]. 强激光与粒子束, 2018, 30(11): 111002

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