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17 November 2020 Tunable mid- and far-infrared pulses generation due to gas irradiated by a chirped two-color laser field
Alexander A Silaev, Alexander A. Romanov, Nikolay V. Vvedenskii
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Proceedings Volume 11582, Fourth International Conference on Terahertz and Microwave Radiation: Generation, Detection, and Applications; 115820D (2020) https://doi.org/10.1117/12.2579723
Event: Fourth International Conference on Terahertz and Microwave Radiation: Generation, Detection, and Applications, 2020, Tomsk, Russian Federation
Abstract
The paper is devoted to further investigation of the recently proposed method for generating tunable and phasecontrollable mid- and far-infrared pulses in gas irradiated by an intense two-color laser field composed of the chirped fundamental and its second-harmonic pulses with the group time delay. We present numerical calculations of the radiating low-frequency current density in atomic hydrogen in a wide range of the time delay and intensity of the fundamental pulse and analyze the intensity-dependence of the amplitude, duration and the tuning range of the generated pulses.
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Alexander A Silaev, Alexander A. Romanov, and Nikolay V. Vvedenskii "Tunable mid- and far-infrared pulses generation due to gas irradiated by a chirped two-color laser field", Proc. SPIE 11582, Fourth International Conference on Terahertz and Microwave Radiation: Generation, Detection, and Applications, 115820D (17 November 2020); https://doi.org/10.1117/12.2579723
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KEYWORDS
Terahertz radiation
Ionization
Electrons
Mid-IR
Four wave mixing
Pulsed laser operation
Tunable lasers
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