Precision X-ray spectroscopy of intense laser-plasma interactions

Anno: 2011

Autori: Woolsey N. C., Clarke R. J., Doria D., Gizzi LA, Gregori G., Hakel P., Hansen S. B., Koester P., Labate L., Levato T., Li B., Makita M., Mancini R. C., Pasley J., Rajeev P. P., Robinson, A. P. L., Wagenaars E., Waugh J. N., Booth N.

Affiliazione autori: Univ York, Dept Phys, York YO10 5DD, N Yorkshire, England; STFC Rutherford Appleton Lab, Cent Laser Facil, Didcot OX11 0QN, Oxon, England; Queens Univ Belfast, Dept Math & Phys, Belfast BT1 4NN, Antrim, North Ireland; CNR, UOS Adriano Gozzini, Ist Nazl Ott, ILIL, I-56100 Pisa, Italy; Univ Oxford, Dept Phys, Oxford OX4 1PJ, England; Univ Nevada, Dept Phys, Reno, NV 89577 USA; Sandia Natl Labs, Albuquerque, NM 87185 USA

Abstract: Polarisation sensitive emission spectroscopy measurements are reported for a petawatt laser-solid target interaction at intensities up to 5 x 10(20) Wcm(-2). These measurements were single-shot and used pairs of highly-orientated graphite spectrometers to resolve the sulphur Ly-alpha doublet. The sulphur Ly-alpha(1) component shows a large positive polarisation indicative of a low energy electron beam in the plasma, the Ly-alpha(2) component acts as a cross-spectrometer calibration. The measurements show a significant anisotropic or beam-like component to a cold return current. (C) 2011 Elsevier B.V. All rights reserved.

Giornale/Rivista: HIGH ENERGY DENSITY PHYSICS

Volume: 7 (2)      Da Pagina: 105  A: 109

Maggiori informazioni: We thank the staff at the Central Laser Facility for their help and expertise in providing the laser, target area and target. We acknowledge funding from the Extreme Light Infrastructure Project, the HiPER project, the United Kingdom Engineering and Physical Sciences Research Council and the Science and Technology Facilities Council.
DOI: 10.1016/j.hedp.2011.03.001

Citazioni: 5
dati da “WEB OF SCIENCE” (of Thomson Reuters) aggiornati al: 2024-05-19
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