用于诊断高功率聚焦激光脉冲的高谐波激光削皮机制

IF 4.8 1区物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY

Matter and Radiation at Extremes Pub Date : 2023-05-01 DOI:10.1063/5.0142051

S. Perevalov, A. Pukhov, M. Starodubtsev, A. Soloviev

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引用次数: 0

摘要

提出了一种基于激光削皮过程高谐波产生数值模拟的高功率激光聚焦脉冲强度测量方法。数值研究了激光与固体目标相互作用过程中高谐波产生效率与激光脉冲强度和空间参数的关系。仿真结果清楚地表明，产生的谐波幅值与激光脉冲参数有关。该方法比类似的强度测量技术更简单，不需要复杂的制备。

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Laser peeler regime of high-harmonic generation for diagnostics of high-power focused laser pulses

A method for measuring the intensity of focused high-power laser pulses based on numerical simulation of high-harmonic generation in the laser peeler regime is proposed. The dependence of the efficiency of high-harmonic generation on the laser pulse intensity and the spatial parameters during interaction with solid targets is studied numerically. The simulation clearly shows that the amplitude of the generated harmonics depends on the laser pulse parameters. The proposed method is simpler than similar intensity measurement techniques and does not require complex preparation.

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来源期刊

Matter and Radiation at Extremes Physics and Astronomy-Atomic and Molecular Physics, and Optics

CiteScore

8.60

自引率

9.80%

发文量

160

审稿时长

15 weeks

期刊介绍： Matter and Radiation at Extremes (MRE), is committed to the publication of original and impactful research and review papers that address extreme states of matter and radiation, and the associated science and technology that are employed to produce and diagnose these conditions in the laboratory. Drivers, targets and diagnostics are included along with related numerical simulation and computational methods. It aims to provide a peer-reviewed platform for the international physics community and promote worldwide dissemination of the latest and impactful research in related fields.