Dario Del Sorbo,1 David R. Blackman,1 Remi Capdessus,2 Kristina Small,1 Cody Slade-Lowther,1 Wen Luo,2 Matthew J. Duff,2 Alexander P. L. Robinson,3 Paul McKenna,2 Zheng-Ming Sheng,2 John Pasley,1 Christopher P. Ridgers1
1Univ. of York (United Kingdom) 2Univ. of Strathclyde (United Kingdom) 3STFC Rutherford Appleton Lab. (United Kingdom)
The radiation pressure of next generation high-intensity lasers could efficiently accelerate ions to GeV energies. However, nonlinear quantum-electrodynamic effects play an important role in the interaction of these lasers with matter. We show that these quantum-electrodynamic effects lead to the production of a critical density pair-plasma which completely absorbs the laser pulse and consequently reduces the accelerated ion energy and efficiency by 30-50%.
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Dario Del Sorbo, David R. Blackman, Remi Capdessus, Kristina Small, Cody Slade-Lowther, Wen Luo, Matthew J. Duff, Alexander P. L. Robinson, Paul McKenna, Zheng-Ming Sheng, John Pasley, Christopher P. Ridgers, "Ion acceleration with radiation pressure in quantum electrodynamic regimes," Proc. SPIE 10241, Research Using Extreme Light: Entering New Frontiers with Petawatt-Class Lasers III, 102411I (17 May 2017); https://doi.org/10.1117/12.2271137