Terahertz Radiation from a Longitudinal Electric Field Biased Femtosecond Filament in Air

Yi Liu; Shaojie Liu; Aurélien Houard; André Mysyrowicz; Vladimir T. Tikhonchuk; Vladimir T. Tikhonchuk

doi:10.1088/0256-307X/37/6/065201

Terahertz Radiation from a Longitudinal Electric Field Biased Femtosecond Filament in Air

Yi Liu
, Shaojie Liu
, Aurélien Houard
, André Mysyrowicz
, Vladimir T. Tikhonchuk
, Vladimir T. Tikhonchuk

University of Shanghai for Science and Technology
Laboratory d'Optique Appliquée, ENSTA, CNRS-École Polytechnique
Univ. Bordeaux
of Sciences

Research output: Contribution to journal › Article › peer-review

Abstract

The terahertz (THz) temporal waveform and spectrum from a longitudinal electrically biased femtosecond filament is studied experimentally. The initial direction of the electron motion inside the unbiased filament plasma is deduced from the transformation of the THz temporal waveform with applied fields of opposite polarities. Furthermore, a spectrum shift to lower frequency of the THz spectrum is observed in the presence of a biased field. It agrees well with theoretical predictions.

Original language	English
Article number	065201
Journal	Chinese Physics Letters
Volume	37
Issue number	6
DOIs	https://doi.org/10.1088/0256-307X/37/6/065201
Publication status	Published - 1 Jun 2020

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title = "Terahertz Radiation from a Longitudinal Electric Field Biased Femtosecond Filament in Air",

abstract = "The terahertz (THz) temporal waveform and spectrum from a longitudinal electrically biased femtosecond filament is studied experimentally. The initial direction of the electron motion inside the unbiased filament plasma is deduced from the transformation of the THz temporal waveform with applied fields of opposite polarities. Furthermore, a spectrum shift to lower frequency of the THz spectrum is observed in the presence of a biased field. It agrees well with theoretical predictions.",

author = "Yi Liu and Shaojie Liu and Aur{\'e}lien Houard and Andr{\'e} Mysyrowicz and Tikhonchuk, \{Vladimir T.\} and Tikhonchuk, \{Vladimir T.\}",

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AU - Houard, Aurélien

AU - Mysyrowicz, André

AU - Tikhonchuk, Vladimir T.

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AB - The terahertz (THz) temporal waveform and spectrum from a longitudinal electrically biased femtosecond filament is studied experimentally. The initial direction of the electron motion inside the unbiased filament plasma is deduced from the transformation of the THz temporal waveform with applied fields of opposite polarities. Furthermore, a spectrum shift to lower frequency of the THz spectrum is observed in the presence of a biased field. It agrees well with theoretical predictions.

UR - https://www.scopus.com/pages/publications/85087364389

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Terahertz Radiation from a Longitudinal Electric Field Biased Femtosecond Filament in Air

Abstract

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