Ultra high frequency gravitational waves from Laguerre–Gaussian beam: a possible source in lab

IF 4.8 2区物理与天体物理 Q2 PHYSICS, PARTICLES & FIELDS The European Physical Journal C Pub Date : 2025-04-18 DOI:10.1140/epjc/s10052-025-14158-1

Hao Zhong, Yuhong Fang, Jianhao Zhan, Rushi Yang, Yongsheng Huang

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Abstract

The detection of gravitational waves (GW) from astrophysical sources has opened a new era in physics. However, advances in high-energy laser systems make it possible to consider gravitational waves produced in the laboratory. In this work, the angular distribution and energy flux of gravitational waves radiated by high-power Laguerre–Gaussian beams are analysed. With a power of \(10^{22}~\text {W}/\text {cm}^2\) and frequency of \(10^{15}\) Hz for the LG beams, the radiated GW frequency is twice the laser frequency and the maximal GW amplitude can reach \(10^{-34},\) which is quite small compared with the current detection threshold of around \(10^{-21}\) by LIGO. It is shown in Ejlli et al. (Eur Phys J C 79:1032, 2019) that the inverse Gertsenshtein effect is able to detect ultra high frequency gravitational wave with frequency up to \(10^{15}\) Hz and strain around \(10^{-30},\) which may provide a viable way to measure gravitational waves produced by high-power lasers in the future.

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来自拉盖尔-高斯光束的超高频引力波：实验室中可能的来源

天体物理源引力波（GW）的探测开启了物理学的新纪元。然而，高能激光系统的进步使得研究实验室产生的引力波成为可能。在这项工作中，分析了高功率拉盖尔-高斯光束辐射的引力波的角分布和能量通量。拉盖尔-高斯光束的功率为\(10^{22}~\text {W}/\text {cm}^2\) ，频率为\(10^{15}\) Hz，辐射的引力波频率是激光频率的两倍，最大引力波振幅可以达到\(10^{-34},\)，这与目前LIGO的探测阈值约\(10^{-21}\)相比是相当小的。Ejlli等人（Eur Phys J C 79:1032，2019）的研究表明，反格尔岑什丁效应能够探测到频率高达\(10^{15}\) Hz、应变在\(10^{-30},\)左右的超高频引力波，这可能为未来测量大功率激光器产生的引力波提供了一种可行的方法。

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来源期刊

The European Physical Journal C 物理-物理：粒子与场物理

CiteScore

8.10

自引率

15.90%

发文量

1008

审稿时长

2-4 weeks

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