利用周期性细缝高效引导和聚焦强激光脉冲

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

Matter and Radiation at Extremes Pub Date : 2024-05-07 DOI:10.1063/5.0192396

L. Xu, T. W. Huang, K. Jiang, C. N. Wu, H. Peng, P. Chen, R. Li, H. B. Zhuo, C. T. Zhou

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引用次数: 0

摘要

狭缝作为等离子体光学元件已广泛应用于激光与等离子体的相互作用中，用于产生高频光和控制激光驱动的粒子束。在这里，我们提出并证明，周期性薄缝可被视为一种新型光学元件，用于高效聚焦和引导强激光脉冲。我们研究了强激光与细缝相互作用的基本物理学原理，发现相对论效应可增强激光聚焦效果，远远超出纯衍射聚焦机制。此外，与传统波导相比，强激光脉冲与周期性细缝的相互作用可使激光强度和能量传递效率提高数倍。这些成果为操纵超强激光脉冲提供了一种新方法，对许多基于激光的应用具有重要意义。

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Efficient guiding and focusing of intense laser pulse using periodic thin slits

Slits have been widely used in laser–plasma interactions as plasma optical components for generating high-harmonic light and controlling laser-driven particle beams. Here, we propose and demonstrate that periodic thin slits can be regarded as a new breed of optical elements for efficient focusing and guiding of intense laser pulse. The fundamental physics of intense laser interaction with thin slits is studied, and it is revealed that relativistic effects can lead to enhanced laser focusing far beyond the pure diffractive focusing regime. In addition, the interaction of an intense laser pulse with periodic thin slits makes it feasible to achieve multifold enhancement in both laser intensity and energy transfer efficiency compared with conventional waveguides. These results provide a novel method for manipulating ultra-intense laser pulses and should be of interest for many laser-based applications.

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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.