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oaioai:ir.siom.ac.cn:181231/17775

High-order harmonic generation in ultra thin plasma foil

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Publication date
1 January 2002
Publisher
Doi

    Abstract

    Via 1-D Particle In Cell (PIC) simulations. we investigated the high-order harmonic emission from flim plasma foils irradiated by two circular-polarized. counter-propagating laser pulses with their electrical vectors rotating in different directions. More than 200 harmonics can be generated with a laser intensity of 10(21) W/cm(2). When the duration of laser gets shorter, the frequencies of harmonics were severely modulated due to the Doppler shift caused by the movement of the plasma boundary when the foil is being compressed, The Doppler shift can be estimated by the simulation results, and this effect can also be reduced or modified by introducing frequency chirping to the pump pulse

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    Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences

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    Last time updated on 02/01/2018

    This paper was published in Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences.

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