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Proceedings Paper

Vortex structures in the photoelectron momentum distributions of negative hydrogen ions induced by a short laser pulse
Author(s): Jianhong Chen; Xiaoping Zheng; Tianyun Zhang
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Paper Abstract

We theoretically study the photoelectron momentum distributions of the negative hydrogen ions by a pair of time-delayed circularly polarized laser pulses. It is found that the multi-arm helical vortex structures appear in the photoelectron momentum distributions. Moreover, the vortex structures can be adjusted by the laser parameters. The present work is meaningful for the optical control of the laser-induced detachment of negative ions.

Paper Details

Date Published: 18 December 2019
PDF: 7 pages
Proc. SPIE 11333, AOPC 2019: Advanced Laser Materials and Laser Technology, 1133314 (18 December 2019); doi: 10.1117/12.2547654
Show Author Affiliations
Jianhong Chen, Lanzhou City Univ. (China)
Xiaoping Zheng, Lanzhou City Univ. (China)
Lanzhou Institute of Technology (China)
Tianyun Zhang, Lanzhou City Univ. (China)


Published in SPIE Proceedings Vol. 11333:
AOPC 2019: Advanced Laser Materials and Laser Technology
Pu Zhou; Jian Zhang; Wenxue Li; Shibin Jiang; Takunori Taira, Editor(s)

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