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Study of terahertz wave generation via pre-ionized air plasma

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摘要

We report the terahertz (THz) wave generation from single color scheme modulated by pre-ionized air plasma via an orthogonal pumping geometry. It is found that the amplitude of the THz signal generated by the pump beam tends to decrease gradually with the increase of the modulation power. We believe that the ponderomotive force plays an important role in the process of the interaction between the pump beam and pre-ionization beam. The hydrostatic state of the electrostatic separation field caused by modulation beam will directly affect the generation efficiency of the THz wave. Our results contribute to further understanding of the theoretical mechanism and expanding of the practical applications of terahertz THz wave generation and modulation.

Newport宣传-MKS新实验室计划
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作者单位:

    Capital Normal University
    Beijing Institute of Technology

引用该论文

Kang Kai,Zhang Liangliang,Wu Tong,Li Kai,Zhang Cunlin. Study of terahertz wave generation via pre-ionized air plasma[J].Chinese Optics Letters,2018,16(11):11.