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9 June 2017 Isochoric heating of solid gold targets with the PW-laser-driven ion beams (Conference Presentation)
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Abstract
We present first results on ion acceleration with the BELLA PW laser as well as end-to-end simulation for isochoric heating of solid gold targets using PW-laser generated ion beams: (i) 2D Particle-In-Cell (PIC) simulations are applied to study the ion source characteristics of the PW laser-target interaction at the long focal length (f/65) beamline at laser intensities of ~〖5×10〗^19 Wcm-2 at spot size of 0=53 m on a CH target. (ii) In order to transport the ion beams to an EMP-free environment, an active plasma lens will be used. This was modeled [1] by calculating the Twiss parameters of the ion beam from the appropriate transport matrixes taking the source parameters obtained from the PIC simulation. (iii) Hydrodynamic simulations indicate that these ion beams can isochorically heat a 1 mm3 gold target to the Warm Dense Matter state. Reference: J. van Tilborg et al, Phys. Rev. Lett. 115, 184802 (2015). This work was supported by Laboratory Directed Research and Development (LDRD) funding from Lawrence Berkeley National Laboratory, provided by the Director, Office of Science, of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231.
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Sven Steinke, Qing Ji, Stepan S. Bulanov, John Barnard, Henri Vincenti, Thomas Schenkel, Eric H. Esarey, and Wim P. Leemans "Isochoric heating of solid gold targets with the PW-laser-driven ion beams (Conference Presentation)", Proc. SPIE 10240, Laser Acceleration of Electrons, Protons, and Ions IV, 102400A (9 June 2017); https://doi.org/10.1117/12.2266274
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