Chen Shisheng, B. Sigel, S. Witkowski. Unipolar-arcing happening in laser-target interaction[J]. Chinese Journal of Lasers, 1988, 15(10): 593
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We report here the jet-like structure appearing at the area far away from the target area directly irradiatad by laser beam. These jet-like structures were attributed to the unipolar arcing produced by "sheath potential" arising from the electrons, especially from the hot electrons which escape from the laser-irradiated-targets.