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聚变能激光驱动装置的激光材料选择

Selection of Laser Material in Laser Driver Required for Inertial Fusion Energy

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摘要

基于美国LIFE激光驱动装置的放大器构型,使用Nd玻璃,YbYAG,YbS-FAP,YbCaF2四种材料的参数进行抽运储能过程的模拟计算,分析了介质口径、抽运强度、抽运脉宽及介质温度等参数对装置性能的影响,得到了各材料的优化设计参数,对上述材料应用于聚变能半导体抽运固体激光器(DPSSL)系统主放大器的可行性进行了判断,并提出了理想材料的参数要求,为寻找合适的激光材料提供依据。

Abstract

Based on optical architecture of LIFE laser driver in USA, Ndglass, YbYAG, YbS-FAP, YbCaF2 are chosen as the laser material candidates. And with their material properties, the pump and energy storage process of the main-amplifier is simulated. According to the results, the influence of media aperture, pump intensity, pump pulse width and media temperature on the performance of laser driver are analyzed, and optimal design parameters of the main-amplifier with each laser materials are acquired. After judging the feasibility of application of those materials to a laser driver required for inertial fusion energy, the qualification of an ideal material is presented, supplying basis for searching the suitable laser materials.

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中图分类号:TN248.1

DOI:10.3788/cjl201239.0702008

所属栏目:原子与分子物理学

责任编辑:宋梅梅  信息反馈

收稿日期:2012-03-05

修改稿日期:2012-03-27

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作者单位    点击查看

严雄伟:中国工程物理研究院激光聚变研究中心, 四川 绵阳 621900
郑建刚:中国工程物理研究院激光聚变研究中心, 四川 绵阳 621900
蒋新颖:中国工程物理研究院激光聚变研究中心, 四川 绵阳 621900
王振国:中国工程物理研究院激光聚变研究中心, 四川 绵阳 621900
张永亮:中国工程物理研究院激光聚变研究中心, 四川 绵阳 621900
李明中:中国工程物理研究院激光聚变研究中心, 四川 绵阳 621900

联系人作者:严雄伟(yxw130@163.com)

备注:严雄伟(1984—),男,硕士,助理研究员,主要从事固体激光器方面的研究。

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引用该论文

Yan Xiongwei,Zheng Jiangang,Jiang Xinying,Wang Zhenguo,Zhang Yongliang,Li Mingzhong. Selection of Laser Material in Laser Driver Required for Inertial Fusion Energy[J]. Chinese Journal of Lasers, 2012, 39(7): 0702008

严雄伟,郑建刚,蒋新颖,王振国,张永亮,李明中. 聚变能激光驱动装置的激光材料选择[J]. 中国激光, 2012, 39(7): 0702008

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