Fluorescence measurement and acoustic diagnostics of plasma channels in air

被引：7
|
作者：
Hao, ZQ
Zhang, J
Yu, J
Zhang, Z
Zhong, JY
Zang, CZ
Jin, Z
Wang, ZH
Wei, ZY
机构：
[1] Chinese Acad Sci, Inst Phys, Key Lab Opt Phys, Beijing 100080, Peoples R China
[2] Univ Lyon 1, CNRS, UMR 5579, Lab Spect Ion & Mol, F-69622 Villeurbanne, France
[3] Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
[4] Peking Univ, Sch Phys, Beijing 100871, Peoples R China
来源：
ACTA PHYSICA SINICA | 2006年 / 55卷 / 01期
关键词：
intense femtosecond laser plasma channel; fluorescent measurement; acoustic diagnostics;
D O I：
10.7498/aps.55.299
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A plasma channel up to 80 Rayleigh lengths is formed when intense femtosecond laser pulses propagate in air. Two methods, fluorescence measurement and acoustic diagnostics, are used to probe the plasma channel simultaneously. Both methods reveal the evolution of the channel in detail. Compared with the fluorescence measurement, the acoustic method is a convenient approach having higher sensitivity and higher spatial resolution in detecting long plasma channels.
引用
收藏
页码：299 / 303
页数：5
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