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. 2012 Mar 12;20(6):5968-73.
doi: 10.1364/OE.20.005968.

Long lifetime air plasma channel generated by femtosecond laser pulse sequence

Xiao-Long Liu  1 , Xin Lu, Jing-Long Ma, Liu-Bin Feng, Xu-Lei Ge, Yi Zheng, Yu-Tong Li, Li-Ming Chen, Quan-Li Dong, Wei-Min Wang, Zhao-Hua Wang, Hao Teng, Zhi-Yi Wei, Jie Zhang
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Free article

Long lifetime air plasma channel generated by femtosecond laser pulse sequence

Xiao-Long Liu et al. Opt Express. .
Free article

Abstract

Lifetime of laser plasma channel is significantly prolonged using femtosecond laser pulse sequence, which is generated from a chirped pulse amplification laser system with pure multi-pass amplification chain. Time-resolved fluorescence images and electrical conductivity measurement are used to characterize the lifetime of the plasma channel. Prolongation of plasma channel lifetime up to microsecond level is observed using the pulse sequence.

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