Characteristics of Plasma Shock Waves Generated in the Pulsed Laser Ablation Process
LI Zhi-Hua, ZHANG Duan-Ming, YU Bo-Ming, GUAN Li
National Key Laboratory of Laser and Department of Physics,
Huazhong University of Science and Technology, Wuhan 430074
Characteristics of Plasma Shock Waves Generated in the Pulsed Laser Ablation Process
LI Zhi-Hua;ZHANG Duan-Ming;YU Bo-Ming;GUAN Li
National Key Laboratory of Laser and Department of Physics,
Huazhong University of Science and Technology, Wuhan 430074
关键词 ：
52.38.Mf ,
52.50.Jm ,
43.28.Mw ,
52.35.Tc
Abstract ： We modify the Sedov theory to describe plasma shock waves generated in a pulsed laser ablating process. We also study the propagation characteristics of plasma shock waves during the preparation process of functional thin films deposited by a pulsed laser. In particular, We discuss in detail the temporal behaviour of energy causing the difference of the propagation characteristics between the plasma shock wave and the ideal shock wave in point explosion model. Under the same experimental conditions, the theoretical results calculated with our modified Sedov theory are in good agreement with the existent experimental data.
Key words ：
52.38.Mf
52.50.Jm
43.28.Mw
52.35.Tc
出版日期: 2002-12-01
:
52.38.Mf
(Laser ablation)
52.50.Jm
(Plasma production and heating by laser beams (laser-foil, laser-cluster, etc.))
43.28.Mw
(Shock and blast waves, sonic boom)
52.35.Tc
(Shock waves and discontinuities)
引用本文:
LI Zhi-Hua;ZHANG Duan-Ming;YU Bo-Ming;GUAN Li. Characteristics of Plasma Shock Waves Generated in the Pulsed Laser Ablation Process[J]. 中国物理快报, 2002, 19(12): 1841-1843.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2002/V19/I12/1841
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