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Power spectra density estimation of quality of the laserbeam passing through an selffocusing media
Author(s) -
Zhitao Peng,
Jing Feng,
Lanqin Liu,
Zhu Qihua,
Bo Chen,
Zhang Kun,
Hua Liu,
hang Qing-Quan,
Xiaofeng Cheng,
Jiang Dong-Bin,
Hongjie Liu,
Ping Sheng
Publication year - 2003
Publication title -
acta physica sinica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.52.87
Subject(s) - laser beam quality , spectral line , optics , laser , power (physics) , beam (structure) , quality (philosophy) , computational physics , power density , materials science , intensity (physics) , laser beams , m squared , field (mathematics) , physics , atomic physics , quantum mechanics , mathematics , pure mathematics
The method of Power spectra density was introduced to estimate the quality of a high intensity laser beam, and the near field of the self-focusing laser beam was analyzed. We obtained a certain ΔB restriction of the laser beam.The results of numerical simulations were coincident with the experimental data very well .

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