Petawatt Laser Guiding and Electron Beam Acceleration to 8 GeV in a Laser-Heated Capillary Discharge Waveguide

Authors :: Liona Fan-Chiang
Stepan Bulanov
G. Bagdasarov
J. Daniels
Jianhui Bin
Pavel V. Sasorov
Sven Steinke
C. G. R. Geddes
Eric Esarey
V. A. Gasilov
Anthony Gonsalves
Carl Schroeder
K. K. Swanson
Kei Nakamura
C. V. Pieronek
J. van Tilborg
T. C. H. de Raadt
Wim Leemans
Georg Korn
Cs. Toth
Carlo Benedetti
N. A. Bobrova
Source :: Gonsalves, AJ; Nakamura, K; Daniels, J; Benedetti, C; Pieronek, C; de Raadt, TCH; et al.(2019). Petawatt Laser Guiding and Electron Beam Acceleration to 8 GeV in a Laser-Heated Capillary Discharge Waveguide. Physical Review Letters, 122(8). doi: 10.1103/physrevlett.122.084801. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/67m7r7vn
Publication Year :: 2019
Abstract: © 2019 American Physical Society. Guiding of relativistically intense laser pulses with peak power of 0.85 PW over 15 diffraction lengths was demonstrated by increasing the focusing strength of a capillary discharge waveguide using laser inverse bremsstrahlung heating. This allowed for the production of electron beams with quasimonoenergetic peaks up to 7.8 GeV, double the energy that was previously demonstrated. Charge was 5 pC at 7.8 GeV and up to 62 pC in 6 GeV peaks, and typical beam divergence was 0.2 mrad.

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