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Conferences > CLEO_QELS > 2016 > JW2A > JW2A.47

Polarization Of THz Emission From Gas Plasma Induced By Two-Color Arbitrarily Polarized Laser Pulses

V.A. Andreeva, M.N. Esaulkov, N.A. Panov, P.M. Solyankin, V.A. Makarov, D.E. Shipilo, A.P. Shkurinov, O.G. Kosareva, and S.L. Chin

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Abstract

We examined experimentally and theoretically polarization of THz radiation generated during dual-color (800nm+400nm) co-propagation of high-peak-power femtosecond laser pulses in gases. We reveal that THz radiation polarization is predominantly defined by the generation of the nonlinear photocurrent in the self – induced laser plasma and remains relatively stable with respect to the change of the initial polarization angle between the 800 nm and 400 nm light fields.

© 2016 Optical Society of America

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