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Increase in the Yield of X-rays and Terahertz Radiation from a Thin Foil Irradiated by Femtosecond Laser Pulsesстатья
- Авторы: Nazarov M.M., Shcheglov P.A., Garmatina A.A., Chaschin M.V., Margushev Z.Ch, Bzheumikhov K.A., Mitrofanov A.V., Sidorov-Biryukov D.A., Zheltikov A.M., Gordienko V.M., Panchenko V.Ya
- Журнал: Bulletin of the Lebedev Physics Institute
- Том: 50
- Год издания: 2023
- Первая страница: S36
- Последняя страница: S41
- Аннотация: It is shown experimentally that the intensities of characteristic X-rays, terahertz radiation, and the second optical harmonic from a copper foil irradiated by sub-relativistic femtosecond laser pulses increase simultaneously with decreasing foil thickness. The efficiency of the generation of X-rays and terahertz radiation, as well as the 3/2 harmonic with a various degree of nonlinearity, depends on the intensity of radiation and the duration of a laser pulse. the behavior of measured signals is determined by the instability of the two-plasmon decay, by hot electrons, and by their circulation in observed processes.
- Добавил в систему: Гордиенко Вячеслав Михайлович