Absorption of ultrashort laser pulses, x-ray and fast-particle generation in superdense plasma

Alexander A. Andreev; Valentin I. Bayanov; Alexander B. Vankov; Aleksey A. Kozlov; Vladimir M. Komarov; I. V. Kurnin; Nikita A. Solovyov; Sergey A. Chizhov; Vladimir E. Yashin; Jiri Limpouch

doi:10.1117/12.238025

12 April 1996 Absorption of ultrashort laser pulses, x-ray and fast-particle generation in superdense plasma

Alexander A. Andreev, Valentin I. Bayanov, Alexander B. Vankov, Aleksey A. Kozlov, Vladimir M. Komarov, I. V. Kurnin, Nikita A. Solovyov, Sergey A. Chizhov, Vladimir E. Yashin, Jiri Limpouch

Author Affiliations +

Proceedings Volume 2770, Laser Optics '95 and ICONO '95: Superintense Laser Fields; (1996) https://doi.org/10.1117/12.238025
Event: Laser Optics '95, 1995, St. Petersburg, Russian Federation

Abstract

In the present work the interaction of single and series of laser pluses with laser energy to 0.5 J (for different light polarizations and incident angles) with aluminum target was investigated. It was found out, that p-polarized laser light is absorbed much better than s-polarized light. It is a result of resonance absorption. The main part of absorbed laser energy is spent on heating and fast particle generation. X-ray intensity is higher in the case of p-polarized laser light than in the case of s-polarized laser light. Results of numerical calculations by codes 'SKIN' and 'ION' are in good agreement with the experimental ones.

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Alexander A. Andreev, Valentin I. Bayanov, Alexander B. Vankov, Aleksey A. Kozlov, Vladimir M. Komarov, I. V. Kurnin, Nikita A. Solovyov, Sergey A. Chizhov, Vladimir E. Yashin, and Jiri Limpouch "Absorption of ultrashort laser pulses, x-ray and fast-particle generation in superdense plasma", Proc. SPIE 2770, Laser Optics '95 and ICONO '95: Superintense Laser Fields, (12 April 1996); https://doi.org/10.1117/12.238025

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