Asymmetric radiation of electrons in intensely compact-focused laser pulse

LÜ Chongyu; CHEN Zeyang; ZHU Wenxin; TIAN Youwei

doi:10.7510/jgjs.issn.1001-3806.2022.03.020

LASER TECHNOLOGY > 2022 > 46(3): 422-426. > DOI: 10.7510/jgjs.issn.1001-3806.2022.03.020

LÜ Chongyu, CHEN Zeyang, ZHU Wenxin, TIAN Youwei. Asymmetric radiation of electrons in intensely compact-focused laser pulse[J]. LASER TECHNOLOGY, 2022, 46(3): 422-426. DOI: 10.7510/jgjs.issn.1001-3806.2022.03.020

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Asymmetric radiation of electrons in intensely compact-focused laser pulse

1.
Bell Honors School, Nanjing University of Posts and Telecommunications, Nanjing 210023, China
2.
College of Science, Nanjing University of Posts and Telecommunications, Nanjing 210023, China

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Received Date: April 14, 2021
Revised Date: May 19, 2021
Published Date: May 24, 2022

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Abstract

Abstract

In order to obtain the electronic radiation characteristics under the action of a tightly compact-focused laser, the nonlinear Thomson scattering theory and the model for the interaction of linearly polarized compact-focused laser pulse with a single electron were utilized in this study. And the numerical simulation was completed by using MATLAB. The motion characteristics of the electron, as well as the power and energy distribution at different observation angles were analyzed, especially in the direction of maximum radiation. Compared with the plane-wave laser pulse, it is found that the symmetric-bimodal radiation power pulse no longer holds in time for the pulse width was 0.008fs and 0.121fs, respectively; And the radiation energy shows the dramatic oscillation at low radiation frequency of 0~50ω₀. The results can provide great value for the electron emission characteristics in intense laser field.
- laser optics,
- electronic radiation,
- asymmetry,
- linear polarization,
- compact-focused laser

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