Generation of terahertz radiation by the axicon focusing of ionizing laser pulses |
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| Authors: | R A Akhmedzhanov I E Ilyakov V A Mironov E V Suvorov D A Fadeev B V Shishkin |
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| Institution: | (1) Institute of Applied Physics, Russian Academy of Sciences, ul. Ulyanova, 46, Nizhni Novgorod, 603950, Russia |
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| Abstract: | Experimental results on the generation of terahertz radiation in the gas breakdown by high-power quasi-monochromatic laser pulses focused by an axicon lens are presented. A theoretical model developed for the terahertzradiation generation includes the nonlinear interaction of a femtosecond pulse with an ionized gas and the excitation of transverse oscillations of the plasma column. The results of the theoretical analysis are compared with the experimental data. |
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