Radiation Pressure-Driven Plasma Surface Dynamics in Ultra-Intense Laser Pulse Interactions with Ultra-Thin Foils
SUPA Department of Physics, University of Strathclyde, Glasgow G4 0NG, UK
Central Laser Facility, STFC Rutherford Appleton Laboratory, Oxfordshire OX11 0QX, UK
Centre for Plasma Physics, Queens University Belfast, Belfast BT7 1NN, UK
Author to whom correspondence should be addressed.
Received: 8 December 2017 / Revised: 7 February 2018 / Accepted: 17 February 2018 / Published: 27 February 2018
The dynamics of the plasma critical density surface in an ultra-thin foil target irradiated by an ultra-intense (∼6 × 10
) laser pulse is investigated experimentally and via 2D particle-in-cell simulations. Changes to the surface motion are diagnosed as a function of foil thickness. The experimental and numerical results are compared with hole-boring and light-sail models of radiation pressure acceleration, to identify the foil thickness range for which each model accounts for the measured surface motion. Both the experimental and numerical results show that the onset of relativistic self-induced transparency, in the thinnest targets investigated, limits the velocity of the critical surface, and thus the effectiveness of radiation pressure acceleration.
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Gonzalez-Izquierdo, B.; Capdessus, R.; King, M.; Gray, R.J.; Wilson, R.; Dance, R.J.; McCreadie, J.; Butler, N.M.H.; Hawkes, S.J.; Green, J.S.; Booth, N.; Borghesi, M.; Neely, D.; McKenna, P. Radiation Pressure-Driven Plasma Surface Dynamics in Ultra-Intense Laser Pulse Interactions with Ultra-Thin Foils. Appl. Sci. 2018, 8, 336.
Gonzalez-Izquierdo B, Capdessus R, King M, Gray RJ, Wilson R, Dance RJ, McCreadie J, Butler NMH, Hawkes SJ, Green JS, Booth N, Borghesi M, Neely D, McKenna P. Radiation Pressure-Driven Plasma Surface Dynamics in Ultra-Intense Laser Pulse Interactions with Ultra-Thin Foils. Applied Sciences. 2018; 8(3):336.
Gonzalez-Izquierdo, Bruno; Capdessus, Remi; King, Martin; Gray, Ross J.; Wilson, Robbie; Dance, Rachel J.; McCreadie, John; Butler, Nicholas M.H.; Hawkes, Steve J.; Green, James S.; Booth, Nicola; Borghesi, Marco; Neely, David; McKenna, Paul. 2018. "Radiation Pressure-Driven Plasma Surface Dynamics in Ultra-Intense Laser Pulse Interactions with Ultra-Thin Foils." Appl. Sci. 8, no. 3: 336.
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