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Femtosecond x-rays from Thomson scattering using laser wakefield accelerators

  • Author(s): Catravas, P.
  • Esarey, E.
  • Leemans, W.P.
  • et al.
Abstract

The possibility of producing femtosecond x-rays through Thomson scattering high power laser beams off laser wakefield gnerated relativistic electron beams is discussed. The electron beams are produced with either a self-modulated laser wakefield accelerator (SM-LWFA) or through a standard laser wakefield accelerator (LWFA) with optical injection. For a SM-LWFA (LWFA) produced electron beam, a broad (narrow) energy distribution is assumed, resulting in X-ray spectra that are broadband (monochromatic). Designs are presented for 3-100 fs x-ray pulses and the expected flux and brightness of these sources are compared.

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