Laboratory simulation of femtosecond laser guided lightning discharge | Zendy

Zhe Zhang | Zendy; Lü Xin | Zendy; Zuoqiang Hao | Zendy; Shi-Chang Zhang | Zendy; Dongdong Zhang | Zendy; Zhaohua Wang | Zendy; Yuanyuan Ma | Zendy; Ping Yan | Zendy; Jie Zhang | Zendy

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Laboratory simulation of femtosecond laser guided lightning discharge

Author(s) -

Zhe Zhang,

Lü Xin,

Zuoqiang Hao,

Shi-Chang Zhang,

Dongdong Zhang,

Zhaohua Wang,

Yuanyuan Ma,

Ping Yan,

Jie Zhang

Publication year - 2007

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.56.5293

Subject(s) - laser , plasma channel , femtosecond , plasma , materials science , lightning (connector) , electric field , voltage , electric discharge , streamer discharge , optics , pulse (music) , atomic physics , physics , electrode , power (physics) , quantum mechanics

We triggered and guided the stationary electric field discharges in 3—23 cm long air gaps by using plasma channels produced by 40mJ ultrashort laser pulses. We have observed that the plasma channel reduced the discharge breakdown voltage to 40% of its natural value. By analyzing the delay between the laser pulse and the white light emission of discharge, we evaluated the speed of the stepped leader with laser guiding to be about 107 cm/s.

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