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Autonomous pulse shaping method for inertial confinement fusion high power laser facility
Fusion Engineering and Design ( IF 1.7 ) Pub Date : 2020-12-01 , DOI: 10.1016/j.fusengdes.2020.111983
Xiaoxia Huang , Xuewei Deng , Wei Zhou , Huaiwen Guo , Bowang Zhao , Bo Zhang , Xiaocheng Tian , Wei Zhong , Wu Deng

Abstract Laser pulse shape is one of the most critical parameters for the success of inertial confinement fusion (ICF) experiments. The ability to shape the laser pulse with accuracy, efficiency, and robustness is fundamental to the ICF experiments. An autonomous pulse-shaping method that is universally feasible for ICF facilities with individual characteristics and independent adjustability for each beam has been achieved. This method employs an iterative algorithm and strategies to solve the problem of nonlinear response in the pulse-shaping process, as well as to improve the convergence rate. The test results indicate that it is capable of shaping an almost arbitrary pulse waveform within 5 min and 10 iterations, reaching a convergent accuracy better than 10 % RMS of the deviances. As a result, the precise control on the laser pulse shape and the operational efficiency in ICF facilities are greatly improved.

中文翻译:

惯性约束聚变大功率激光装置自主脉冲整形方法

摘要 激光脉冲形状是惯性约束聚变(ICF)实验成功的最关键参数之一。准确、高效和稳健地塑造激光脉冲的能力是 ICF 实验的基础。已经实现了一种对 ICF 设施普遍可行的自主脉冲整形方法,该方法具有独特的特性和每个光束的独立可调性。该方法采用迭代算法和策略来解决脉冲整形过程中的非线性响应问题,提高收敛速度。测试结果表明,它能够在 5 分钟和 10 次迭代内形成几乎任意的脉冲波形,达到优于 10% RMS 偏差的收敛精度。因此,
更新日期:2020-12-01
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