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Bow shocks formed by a high-speed laser-driven plasma cloud interacting with a cylinder obstacle

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Title
Bow shocks formed by a high-speed laser-driven plasma cloud interacting with a cylinder obstacle
Author(s)
Yan-Fei Li; Yu-Tong Li; Da-Wei Yuan; Fang Li; Bao-Jun Zhu; Zhe Zhang; Jia-Yong Zhong; Bo Han; Hui-Gang Wei; Xiao-Xing Pei; Jia-Rui Zhao; Chang Liu; Xiao-Xia Yuan; Guo-Qian Liao; Yong-Joo Rhee; Xin Lu; Neng Hua; Bao-Qiang Zhu; Jian-Qiang Zhu; Zhi-Heng Fang; Xiu-Guang Huang; Si-Zu Fu; Gang Zhao; Jie Zhang
Publication Date
2017-05
Journal
Chinese Physics B, v.26, no.5, pp.055202 -
Publisher
IOP PUBLISHING LTD
Abstract
A bow shock is formed in the interaction of a high-speed laser-driven plasma cloud with a cylinder obstacle. Its temporal and spatial structures are observed by shadowgraphy and interferometry. The width of the shock transition region is ∼ 50 μm, comparable to the ionion collision mean free path, which indicates that collision is dominated in the shock probably. The Mach-number of the ablating plasma cloud is ∼ 15 at first, and decreases with time resulting in a changing shock structure. A two-dimension hydrodynamics code, USim, is used to simulate the interaction process. The simulated shocks can well reproduce the observed. © 2017 Chinese Physical Society and IOP Publishing Ltd
URI
https://pr.ibs.re.kr/handle/8788114/3712
ISSN
1674-1056
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
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