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Manipulation of laser-accelerated proton beam profiles by nanostructured and microstructured targets

L. Giuffrida ; K. Svensson ; J. Psikal ; M. Dalui ; H. Ekerfelt ; I. G. Gonzalez ; O. Lundh ; A. Persson ; P. Lutoslawski ; V. Scuderi ; J. Kaufman ; T. Wiste ; T. Lastovicka ; A. Picciotto ; A. Bagolini ; M. Crivellari ; P. Bellutti ; G. Milluzzo ; G. A. P. Cirrone ; Joel Magnusson (Institutionen för fysik, Teoretisk fysik (Chalmers)) ; Arkady Gonoskov (Institutionen för fysik, Teoretisk fysik (Chalmers)) ; G. Korn ; C. G. Wahlstrom ; D. Margarone
Physical Review Accelerators and Beams (2469-9888). Vol. 20 (2017), 8, p. 081301.
[Artikel, refereegranskad vetenskaplig]

Nanostructured and microstructured thin foils have been fabricated and used experimentally as targets to manipulate the spatial profile of proton bunches accelerated through the interaction with high intensity laser pulses (6 x 1019 W/cm(2)). Monolayers of polystyrene nanospheres were placed on the rear surfaces of thin plastic targets to improve the spatial homogeneity of the accelerated proton beams. Moreover, thin targets with grating structures of various configurations on their rear sides were used tomodify the proton beam divergence. Experimental results are presented, discussed, and supported by 3D particle-in-cell numerical simulations.



Denna post skapades 2017-08-30. Senast ändrad 2017-09-01.
CPL Pubid: 251528

 

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Institutioner (Chalmers)

Institutionen för fysik, Teoretisk fysik (Chalmers)

Ämnesområden

Acceleratorfysik och instrumentering
Annan fysik

Chalmers infrastruktur