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Title: Plasma Photocathodes

Journal Article · · Annalen der Physik (Leipzig)
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  1. Scottish Universities Physics Alliance, Department of Physics University of Strathclyde Glasgow UK, Cockcroft Institute, Sci‐Tech Daresbury Daresbury, Cheshire UK
  2. University Medical Center Hamburg‐Eppendorf: Universitatsklinikum Hamburg‐Eppendorf Martinistr. 52 37734 Hamburg Germany
  3. LOA, ENSTA Paris, CNRS, Ecole Polytechnique Institut Polytechnique de Paris 91762 Palaiseau France
  4. OHB System AG Universitätsallee 27 Bremen Germany
  5. Center for Integrated Plasma Studies, Department of Physics University of Colorado Boulder CO USA
  6. SLAC National Accelerator Laboratory Menlo Park CA USA
  7. Radiabeam Technologies Santa Monica CA 90404 USA
  8. RadiaSoft LLC Boulder CO 80301 USA
  9. Institut für Laser‐ und Plasmaphysik Heinrich‐Heine‐Universität Düsseldorf 40225 Düsseldorf Germany
  10. Key Laboratory for Laser Plasmas (MoE), School of Physics and Astronomy Shanghai Jiao Tong University Shanghai 200240 China
  11. Institut für Theoretische Physik I Heinrich‐Heine‐Universität Düsseldorf 40225 Düsseldorf Germany
  12. Tech‐X Corporation Boulder CO USA
  13. Department of Physics and Astronomy University of California Los Angeles Los Angeles CA USA

Abstract Plasma wakefield accelerators offer accelerating and focusing electric fields three to four orders of magnitude larger than state‐of‐the‐art radiofrequency cavity‐based accelerators. Plasma photocathodes can release ultracold electron populations within such plasma waves and thus open a path toward tunable production of well‐defined, compact electron beams with normalized emittance and brightness many orders of magnitude better than state‐of‐the‐art. Such beams will have far‐reaching impact for applications such as light sources, but also open up new vistas on high energy and high field physics. This paper reviews the innovation of plasma photocathodes, and reports on the experimental progress, challenges, and future prospects of the approach. Details of the proof‐of‐concept demonstration of a plasma photocathode in 90° geometry at SLAC FACET within the E‐210: Trojan Horse program are described. Using this experience, alongside theoretical and simulation‐supported advances, an outlook is given on future realizations of plasma photocathodes such as the upcoming E‐310: Trojan Horse‐II program at FACET‐II with prospects toward excellent witness beam parameter quality, tunability, and stability. Future installations of plasma photocathodes also at compact, hybrid plasma wakefield accelerators, will then boost capacities and open up novel capabilities for experiments at the forefront of interaction of high brightness electron and photon beams.

Sponsoring Organization:
USDOE
Grant/Contract Number:
SC0009533; SC0013855; SC0009914; AC02-76SF00515; AC02-05CH11231
OSTI ID:
2000794
Journal Information:
Annalen der Physik (Leipzig), Journal Name: Annalen der Physik (Leipzig) Journal Issue: 10 Vol. 535; ISSN 0003-3804
Publisher:
Wiley Blackwell (John Wiley & Sons)Copyright Statement
Country of Publication:
Germany
Language:
English

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