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Proceedings Paper

Spatio-spectral characteristics of THz radiation from two-color femtosecond filament
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Paper Abstract

Spatio-spectral distribution of THz radiation generated by two-color femtosecond laser breakdown in air is investigated theoretically. The theoretical model is based on the fast oscillating light field propagation and self-consistent free electron generation process. We find that the THz emission spectrum has both the low-frequency component related to the transient photocurrent with the maximum spectral intensity at ~1 THz, and the high-frequency component at ~10 THz related to the nonlinear response of bound electrons.

Paper Details

Date Published: 21 October 2015
PDF: 7 pages
Proc. SPIE 9651, Millimetre Wave and Terahertz Sensors and Technology VIII, 96510K (21 October 2015); doi: 10.1117/12.2196801
Show Author Affiliations
Vera A. Andreeva, Lomonosov Moscow State Univ. (Russian Federation)
Nikolay A. Panov, Lomonosov Moscow State Univ. (Russian Federation)
Mikhail N. Esaulkov, Institute on Laser and Information Technologies (Russian Federation)
Olga G. Kosareva, Lomonosov Moscow State Univ. (Russian Federation)
Petr M. Solyankin, Lomonosov Moscow State Univ. (Russian Federation)
Daniil E. Shipilo, Lomonosov Moscow State Univ. (Russian Federation)
Alexander V. Borodin, Lomonosov Moscow State Univ. (Russian Federation)
Vladimir A. Makarov, Lomonosov Moscow State Univ. (Russian Federation)
Alexander P. Shkurinov, Lomonosov Moscow State Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 9651:
Millimetre Wave and Terahertz Sensors and Technology VIII
Neil A. Salmon; Eddie L. Jacobs, Editor(s)

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