Coherent kilo-electron-volt backscattering from plasma-wave boosted relativistic electron mirrors

Li, F.Y. and Sheng, Z.M. and Chen, M. and C. Wu, H. and Liu, Y. and Meyer-ter-Vehn, J. and B. Mori, W. and Zhang, J. (2014) Coherent kilo-electron-volt backscattering from plasma-wave boosted relativistic electron mirrors. Applied Physics Letters, 105 (16). ISSN 0003-6951

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    Abstract

    A new parameter regime of laser wakefield acceleration driven by sub-petawatt femotsecond lasers is proposed, which enables the generation of relativistic electron mirrors further accelerated by the plasma wave. Integrated particle-in-cell simulation including the mirror formation and Thomson scattering demonstrates that efficient coherent backscattering up to keV photon energy can be obtained with moderate driver laser intensities and high density gas targets.