Multi-parameter characterization of the longitudinal plasma profile of a filament: a comparative study

被引：42
作者：
Hosseini, SA [1 ]
Yu, J
Luo, Q
Chin, SL
机构：
[1] Univ Laval, Ctr Opt Photon & Laser, Quebec City, PQ G1K 7P4, Canada
[2] Univ Laval, Dept Phys Genie Phys & Opt, Quebec City, PQ G1K 7P4, Canada
[3] Univ Lyon 1, CNRS, UMR 5579, LASIM, F-69622 Villeurbanne, France
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2004年 / 79卷 / 04期
关键词：
D O I：
10.1007/s00340-004-1589-0
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The longitudinal plasma profile of a laboratory scale filament induced by the propagation of an intense femtosecond laser pulse in air was measured simultaneously by three different methods. Each of them is based on a specific property of the filament, including electromagnetic pulse emission, backward emitted nitrogen fluorescence, and acoustic wave generation. Although each of above methods has been separately reported, it is the first time that a simultaneous multi-parameter measurement on a laser filament is presented. Such multiparameter measurement allows a direct comparison between the different methods, and a better understating of the dynamics of a filament from its generation through multi-photon/tunnel ionization (MPI/TI) to its damping through acoustic wave emission. The advantages as well as drawbacks of each method are analyzed in a comparative way.
引用
收藏
页码：519 / 523
页数：5
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