The effective characteristics of pulse duration on the electron emission impelled by linear polarized strong laser pulse

Ruiqi Liu; Youwei Tian

doi:10.1117/12.2688498

16 October 2023 The effective characteristics of pulse duration on the electron emission impelled by linear polarized strong laser pulse

Ruiqi Liu, Youwei Tian

Author Affiliations +

Proceedings Volume 12792, Eighteenth National Conference on Laser Technology and Optoelectronics; 127920H (2023) https://doi.org/10.1117/12.2688498
Event: Eighteenth National Conference on Laser Technology and Optoelectronics, 2023, Shanghai, China

Abstract

Using the single electron model, the effects of pulse width on the relativistic motion and radiation characteristics of electronic oscillation generated by linearly polarized intense femtosecond laser pulses are studied theoretically and numerically. For short period laser pulses, the electron trajectory exhibits an asymmetric serrated pattern, while for multi period laser pulses, it is not similar to a doubly symmetric serrated pattern. It is found that for a short pulse width, the full space distribution mode of electron emission is banana shaped, while for a long pulse width laser pulse, the Radiant flux per unit Solid angle is rabbit ear shaped, pointing to the propagation direction of the laser pulse, with narrow divergence.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Ruiqi Liu and Youwei Tian "The effective characteristics of pulse duration on the electron emission impelled by linear polarized strong laser pulse", Proc. SPIE 12792, Eighteenth National Conference on Laser Technology and Optoelectronics, 127920H (16 October 2023); https://doi.org/10.1117/12.2688498

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KEYWORDS

Pulsed laser operation

Femtosecond pulse shaping

Laser radiation

Femtosecond phenomena

Blue lasers

Gaussian pulse

Solids

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