Plasma channel used to guide femtosecond petawatt wakefield laser pulses. Red/orange/yellow: heater-laser pulse; blue: electron density profile; gray: sapphire tube. Selected for a Viewpoint in Physics and an Editors’ Suggestion.

From the article:

Petawatt Laser Guiding and Electron Beam Acceleration to 8 GeV in a Laser-Heated Capillary Discharge Waveguide
A. J. Gonsalves, K. Nakamura, J. Daniels, C. Benedetti, C. Pieronek, T. C. H. de Raadt, S. Steinke, J. H. Bin, S. S. Bulanov, J. van Tilborg, C. G. R. Geddes, C. B. Schroeder, Cs. Tóth, E. Esarey, K. Swanson, L. Fan-Chiang, G. Bagdasarov, N. Bobrova, V. Gasilov, G. Korn, P. Sasorov, and W. P. Leemans
Phys. Rev. Lett. 122, 084801 (2019)

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