Laser guided ionic wind

We report on a method to experimentally generate ionic wind by coupling an external large electric field with an intense femtosecond laser induced air plasma channel. The measured ionic wind velocity could be as strong as >4 m/s. It could be optimized by increasing the strength of the applied ele...

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Bibliographic Details
Published in:Scientific reports 2018-09, Vol.8 (1), p.13511-7, Article 13511
Main Authors: Du, Shengzhe, Wang, Tie-Jun, Zhu, Zhongbin, Liu, Yaoxiang, Chen, Na, Zhang, Jianhao, Guo, Hao, Sun, Haiyi, Ju, Jingjing, Wang, Cheng, Liu, Jiansheng, Chin, See Leang, Li, Ruxin, Xu, Zhizhan
Format: Article
Language:English
Subjects:
639/624/1107
639/766/1960/1135
Electric fields
Humanities and Social Sciences
Ions
Lasers
Mathematical models
multidisciplinary
Science
Science (multidisciplinary)
Spatial distribution
Wind measurement
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Summary:We report on a method to experimentally generate ionic wind by coupling an external large electric field with an intense femtosecond laser induced air plasma channel. The measured ionic wind velocity could be as strong as >4 m/s. It could be optimized by increasing the strength of the applied electric field and the volume of the laser induced plasma channel. The experimental observation was qualitatively confirmed by a numerical simulation of spatial distribution of the electric field. The ionic wind can be generated outside a high-voltage geometry, even at remote distances.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-018-31993-3