Efficient Terahertz And Brunel Harmonic Generation From Air Plasma With Femtosecond Two-Color Mid-Infrared Lasers

Dogeun Jang,Robert M. Schwartz,Daniel Woodbury,Jesse Griff-McMahon, Abdurrahman H. Younis,Howard M. Milchberg,Ki-Yong Kim

2020 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO)（2020）

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摘要

We report the generation of coherent radiation from terahertz to ultraviolet via two-color mid-infrared laser mixing in air. We achieve laser-to-terahertz conversion efficiency of similar to 1%, 10 similar to 100 times greater than those obtained with 800 nm lasers.

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关键词

air plasma,coherent radiation,femtosecond two-color midinfrared lasers,Brunel harmonic generation,laser-terahertz conversion efficiency,midinfrared laser mixing,terahertz-ultraviolet spectra,terahertz wave generation,wavelength 800.0 nm

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