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Proceedings Paper

Second-harmonics emission from short-pulse laser-irradiated solid targets
Author(s): Jiri Limpouch; Alexander A. Andreev; Konstantin Y. Platonov
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Paper Abstract

Second harmonics intensity and spectra, emitted from solid Al target heated by obliquely incident p-polarized 1.5 ps Nd-laser pulse, are interpreted in the frame of 1D hydrodynamics model including resonance absorption, fast electron generation and transport and acceleration of ions. Second harmonics spectra reveal blue shift for laser intensity 1016 W/cm2, while red shift is observed for laser intensity 1017 W/cm2. It corresponds to a qualitative difference in the critical surface dynamic is observed in simulations. A good agreement of simulation result with experiment is observed for the lower intensity while possible explanations of certain discrepancies for the higher intensity are proposed.

Paper Details

Date Published: 30 December 1998
PDF: 6 pages
Proc. SPIE 3683, Laser Optics '98: Superstrong Laser Fields and Applications, (30 December 1998); doi: 10.1117/12.334825
Show Author Affiliations
Jiri Limpouch, Czech Technical Univ. (Czech Republic)
Alexander A. Andreev, S.I. Vavilov State Optical Institute (Japan)
Konstantin Y. Platonov, S.I. Vavilov State Optical Institute (Russia)


Published in SPIE Proceedings Vol. 3683:
Laser Optics '98: Superstrong Laser Fields and Applications
Alexander A. Andreev, Editor(s)

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