Abstract
Generation of terahertz waves by hot dense plasma under the action of a femtosecond laser pulse in the regime of anomalous skin effect is considered. The spectral, angular, and energy characteristics of terahertz waves are studied as functions of the plasma and laser parameters. It is shown that, under the conditions of anomalous skin effect, which takes place in ultradense hot plasma, the total energy of the terahertz signal is independent of the electron density, proportional to the square of the electron temperature, and maximal at tight focusing of the laser pulse.
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Original Russian Text © A.A. Frolov, 2018, published in Fizika Plazmy, 2018, Vol. 44, No. 3, pp. 273–286.
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Frolov, A.A. Generation of Terahertz Waves under Laser Action on Hot Dense Plasma. Plasma Phys. Rep. 44, 312–325 (2018). https://doi.org/10.1134/S1063780X18030029
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DOI: https://doi.org/10.1134/S1063780X18030029