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A nonlinear plasma retroreflector for single pulse Compton backscattering

John P. Palastro, Daniel F. Gordon, Bahman Hafizi, Joe Penano, Michael Helle, Antonio C. Ting, D. Kaganovich

AIP conference proceedings, 2016

Abstract

An ultrashort laser pulse incident on a sharp plasma gradient undergoes a partial reversal in Poynting flux. The resulting counterpropagating field can Compton backscatter from electrons accelerated in the incident pulse’s wakefield. We examine the reversal mechanism and properties of the counterpropagating field to optimize the Compton scattered radiation.

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