Third harmonic generation in plasma channels in air induced by intense femtosecond laser pulses | Zendy

Zuoqiang Hao | Zendy; Jie Zhang | Zendy; Zhe Zhang | Zendy; Xi Ting-Ting | Zendy; Zhiyuan Zheng | Zendy; Yuan Xiao-Hui | Zendy; Zhaohua Wang | Zendy

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Third harmonic generation in plasma channels in air induced by intense femtosecond laser pulses

Author(s) -

Zuoqiang Hao,

Jie Zhang,

Zhe Zhang,

Xi Ting-Ting,

Zhiyuan Zheng,

Yuan Xiao-Hui,

Zhaohua Wang

Publication year - 2005

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.54.3173

Subject(s) - femtosecond , plasma , laser , atomic physics , materials science , plasma channel , high harmonic generation , conical surface , optics , harmonic , physics , quantum mechanics , composite material

Strong third-order harmonic (TH) emission is observed from long plasma channels formed when intense femtosecond laser pulses propagate in air. The conversion efficiency between the fundamental wave and the TH emission is roughly constant over the length of the plasma channels. The divergence angle of the TH emission in the conical emission of the plasma channels is also investigated, which is in good agreement with calculations.

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