Laser heating of solid matter by light-pressure-driven shocks at ultrarelativistic intensities期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Laser heating of solid matter by light-pressure-driven shocks at ultrarelativistic intensities

Authors:	Akli K U Hansen S B Kemp A J Freeman R R Beg F N Clark D C Chen S D Hey D Hatchett S P Highbarger K Giraldez E Green J S Gregori G Lancaster K L Ma T MacKinnon A J Norreys P Patel N Pasley J Shearer C Stephens R B Stoeckl C Storm M Theobald W Van Woerkom L D Weber R Key M H

Institution:	Lawrence Livermore National Laboratory, Livermore, California 94550, USA.

Abstract:	The heating of solid targets irradiated by 5 x 10(20) W cm(-2), 0.8 ps, 1.05 microm wavelength laser light is studied by x-ray spectroscopy of the K-shell emission from thin layers of Ni, Mo, and V. A surface layer is heated to approximately 5 keV with an axial temperature gradient of 0.6 microm scale length. Images of Ni Ly(alpha) show the hot region has 100 G bar light pressure compresses the preformed plasma and drives a shock into the solid, heating a thin layer.

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