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Resonant Penetration of Intense Femtosecond Laser Pulses Through Plasma of Ultra‐Thin Foils
Author(s) -
Bordyukh N.V.,
Krainov V.P.
Publication year - 2009
Publication title -
contributions to plasma physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.531
H-Index - 47
eISSN - 1521-3986
pISSN - 0863-1042
DOI - 10.1002/ctpp.200910059
Subject(s) - foil method , femtosecond , laser , plasma , materials science , penetration (warfare) , penetration depth , transmission coefficient , optics , thin film , atomic physics , physics , transmission (telecommunications) , nanotechnology , electrical engineering , quantum mechanics , operations research , composite material , engineering
Simple analytic expression for the transmission coefficient as a function of foil thickness d describing penetration of intense femtosecond laser pulse through ultra‐thin foils with the thickness of the order of 100 nm has been derived using the Maxwell‐Vlasov‐Boltzmann equation. It is found that the transmission of laser radiation stops on the skin depth c/ω p , but sharp and narrow resonances take place at the foil thickness d > c/ω p where the there is no laser reflection (© 2009 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)