Suppression of small-scale self focusing of high power laser using moving beam | Zendy

Cheng Wenyong | Zendy; Zhang Xiao-Min | Zendy; Jingqin Su | Zendy; Zhao Shengzhi | Zendy; Jun Dong | Zendy; Li Ping | Zendy; Zhou Li-Dan | Zendy

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Suppression of small-scale self focusing of high power laser using moving beam

Author(s) -

Cheng Wenyong,

Zhang Xiao-Min,

Jingqin Su,

Zhao Shengzhi,

Jun Dong,

Li Ping,

Zhou Li-Dan

Publication year - 2009

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.58.7012

Subject(s) - beam (structure) , optics , laser beam quality , beam parameter product , physics , self focusing , scale (ratio) , smoothing , m squared , power (physics) , beam diameter , dispersion (optics) , field (mathematics) , laser beams , laser , computer science , quantum mechanics , computer vision , mathematics , pure mathematics

The concept of “moving beam” in near field is proposed. It is found that the device of smoothing by spectral dispersion SSD can generate “moving beam” in the near field. The mechanism and the condition for generating “moving beam” the motion characteristics of the “moving beam” and the suppression of small-scale self focusing are analyzed theoretically. The numerical simulations agree with the theoretical analyses.

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