Plasma accelerator-based ultrabright x-ray beams from ultrabright electron beams

Habib, Ahmad Fahim and Scherkl, Paul and Manahan, Grace Gloria and Heinemann, Thomas and Ullmann, Daniel and Sutherland, Andrew and Knetsch, Alexander and Litos, Michael and Hogan, Mark and Rosenzweig, James and Hidding, Bernhard; Murokh, Alex and Spiga, Daniele, eds. (2019) Plasma accelerator-based ultrabright x-ray beams from ultrabright electron beams. In: Advances in Laboratory-Based X-Ray Sources, Optics, and Applications VII. Society of Photo-Optical Instrumentation Engineers, Bellingham, Washington. ISBN 9781510629134

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    Abstract

    We provide a pathway to compact ultrabright light sources, based on ultrabright, high energy electron beams emerging from a combination of plasma Wakefield acceleration and plasma photocathodes. While plasma acceleration is known to produce accelerating fields three or four orders of magnitude larger than conventional accelerators, the plasma photocathode allows production of electron beams three or four orders of magnitude brighter than conventional, and thus is suitable to unleash the full potential of plasma accelerators. In particular, this is the case for various types of light sources, which profit enormously from an increased electron beam brightness. Building on the recent first experimental demonstration of the plasma photocathode, in this work we discuss the prospects of plasma photocathodes for key photon source approaches such as x-ray free-electron lasers, betatron radiation, ion-channel lasers and inverse Compton scattering.