Characterization of terahertz emission from a laser-induced air plasma with a dc biased field

Kaijun Mu; Fei Yu; Liangliang Zhang; Cunlin Zhang

doi:10.1117/12.870431

4 November 2010 Characterization of terahertz emission from a laser-induced air plasma with a dc biased field

Kaijun Mu, Fei Yu, Liangliang Zhang, Cunlin Zhang

Proceedings Volume 7854, Infrared, Millimeter Wave, and Terahertz Technologies; 78541B (2010) https://doi.org/10.1117/12.870431
Event: Photonics Asia 2010, 2010, Beijing, China

Abstract

The generation of terahertz (THz) wave from a single-color femtosecond (fs) laser-induced air plasma with a dc biased field is studied. A systemic investigations of the THz wave polarization by changing the direction of dc biased field in parallel or perpendicular to pump pulse polarization. The results demonstrate that the THz wave generation is the sum of ponderomotive force and the dc biased field, and the external dc biased field can amplify and modulate the total THz waveform.

Citation Download Citation

Kaijun Mu, Fei Yu, Liangliang Zhang, and Cunlin Zhang "Characterization of terahertz emission from a laser-induced air plasma with a dc biased field", Proc. SPIE 7854, Infrared, Millimeter Wave, and Terahertz Technologies, 78541B (4 November 2010); https://doi.org/10.1117/12.870431

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