23 April 2001 High-order harmonics and trains of subfemtosecond pulses generated from an ultrathin foil
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Proceedings Volume 4424, ECLIM 2000: 26th European Conference on Laser Interaction with Matter; (2001) https://doi.org/10.1117/12.425625
Event: 26th European Conference on Laser Interaction with Matter (ECLIM 2000), 2000, Prague, Czech Republic
Abstract
The nonlinear propagation of two high-intensity laser pluses of circular polarization in thin foil targets is investigated theoretically and by simulation. The two laser pulses illuminate a foil normally from both sides and create a spatially confined relativistic election plasma. The solutions depend on the phase relation of the two laser pulses. High order harmonics are found when frequencies and/or polarizations of the two pulses differ. The harmonics compound to a train of sub-femto-second pulse in the time domain. Under certain conditions, an instability occurs and can destroy the foil. Energetic electrons are produced due to the instability.
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Bai-fei Shen, Bai-fei Shen, Jurgen Meyer-ter-Vehn, Jurgen Meyer-ter-Vehn, } "High-order harmonics and trains of subfemtosecond pulses generated from an ultrathin foil", Proc. SPIE 4424, ECLIM 2000: 26th European Conference on Laser Interaction with Matter, (23 April 2001); doi: 10.1117/12.425625; https://doi.org/10.1117/12.425625
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