3 years ago

Laser guided ionic wind.

Cheng Wang, Jianhao Zhang, Jingjing Ju, Jiansheng Liu, Zhizhan Xu, Zhongbin Zhu, Yaoxiang Liu, Haiyi Sun, Ruxin Li, See Leang Chin, Hao Guo, Na Chen, Tie-Jun Wang, Shengzhe Du

We report on a method to experimentally generate ionic wind by coupling an external high voltage electric field with an intense femtosecond laser induced air plasma filament. The measured ionic wind velocity could be as strong as >4 m/s. It could be optimized by changing the applied electric field and the laser induced plasma channel. The experimental observation was qualitatively confirmed by a numerical simulation of spatial distribution of the electric field. This technique is robust and free from sharp metallic electrodes for coronas; it opens a way to optically generate ionic wind at a distance.

Publisher URL: http://arxiv.org/abs/1801.06778

DOI: arXiv:1801.06778v1

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