Suppressing small-scale self-focusing of high-power femtosecond pulses

IF 5.2 1区 物理与天体物理 Q1 OPTICS High Power Laser Science and Engineering Pub Date : 2023-02-27 DOI:10.1017/hpl.2023.20
M. Martyanov, V. Ginzburg, A. Balakin, S. Skobelev, D. Silin, A. Kochetkov, I. Yakovlev, Alexey Kuzmin, S. Mironov, I. Shaikin, Sergey Stukachev, A. Shaykin, E. Khazanov, A. Litvak
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引用次数: 2

Abstract

Abstract It was shown experimentally that for a 65-fs 17-J pulse, the effect of filamentation instability, also known as small-scale self-focusing, is much weaker than that predicted by stationary and nonstationary theoretical models for high B-integral values. Although this discrepancy has been left unexplained at the moment, in practice no signs of filamentation may allow a breakthrough in nonlinear pulse post-compression at high laser energy.
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抑制高功率飞秒脉冲的小规模自聚焦
实验表明,对于一个65-fs的17-J脉冲,在高b积分值下,细丝不稳定性(也称为小尺度自聚焦)的影响比平稳和非平稳理论模型所预测的要弱得多。虽然这种差异目前尚未得到解释,但在实践中,没有任何迹象表明,在高激光能量下,非线性脉冲后压缩可能会取得突破。
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来源期刊
High Power Laser Science and Engineering
High Power Laser Science and Engineering Physics and Astronomy-Nuclear and High Energy Physics
CiteScore
7.10
自引率
4.20%
发文量
401
审稿时长
21 weeks
期刊介绍: High Power Laser Science and Engineering (HPLaser) is an international, peer-reviewed open access journal which focuses on all aspects of high power laser science and engineering. HPLaser publishes research that seeks to uncover the underlying science and engineering in the fields of high energy density physics, high power lasers, advanced laser technology and applications and laser components. Topics covered include laser-plasma interaction, ultra-intense ultra-short pulse laser interaction with matter, attosecond physics, laser design, modelling and optimization, laser amplifiers, nonlinear optics, laser engineering, optical materials, optical devices, fiber lasers, diode-pumped solid state lasers and excimer lasers.
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