Spectrum and polarization of THz radiation from two-color femtosecond laser breakdown: Theory and experiment

Vera A. Andreeva, Mikhail N. Esaulkov, Olga G. Kosareva, Vladimir A. Makarov, Nikolay A. Panov, Daniil E. Shipilo, Alexander P. Shkurinov, Peter M. Solyankin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

We present a comprehensive experimental and numerical study of spectral, spatial and polarization features of the widely used THz source - plasma of optical breakdown by a two-color femtosecond laser. We show experimentally presence of high-frequency component of THz radiation related to response of neutral gas molecules. Taking into account evolution of phase and polarization of optical pulses propagating through plasma allows to account for the experimentally observed polarization and spectrum of the emitted pulse.

Original languageEnglish (US)
Title of host publicationIRMMW-THz 2015 - 40th International Conference on Infrared, Millimeter, and Terahertz Waves
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479982721
DOIs
StatePublished - Nov 11 2015
Event40th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2015 - Hong Kong, China
Duration: Aug 23 2015Aug 28 2015

Publication series

NameIRMMW-THz 2015 - 40th International Conference on Infrared, Millimeter, and Terahertz Waves

Other

Other40th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2015
Country/TerritoryChina
CityHong Kong
Period8/23/158/28/15

Bibliographical note

Publisher Copyright:
© 2015 IEEE.

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