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Yinren, Shou
초강력 레이저과학 연구단
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High efficiency and collimated terahertz pulse from ultra-short intense laser and cone target

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Title
High efficiency and collimated terahertz pulse from ultra-short intense laser and cone target
Author(s)
Cai, Jie; Yinren Shou; Han, Liqi; Huang, Ruixian; Wang, Yixuan; Song, Zihao; Geng, Yixing; Yu, Jinqing; Yan, Xueqing
Publication Date
2022-04
Journal
Optics Letters, v.47, no.7, pp.1658 - 1661
Publisher
Optica Publishing Group (formerly OSA)
Abstract
© 2022 Optica Publishing Group.We propose a new, to the best of our knowledge, method to radiate a high-efficiency and collimated terahertz (THz) pulse from a relativistic femtosecond laser and cone target. Particle-in-cell simulations demonstrate that a THz source of 40 mJ, pointing at an angle of ∼20°, can be generated from a laser pulse of 1.9 J by using a cone target whose open angle is 10°. The peak power of the THz pulse is 1011 W. This method, which manipulates the divergence angle and the energy conversion efficiency of the THz source, should promote THz science into the extra strong region with a compact laser system.
URI
https://pr.ibs.re.kr/handle/8788114/11443
DOI
10.1364/OL.454811
ISSN
0146-9592
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > 1. Journal Papers (저널논문)
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