Space and time resolved measurements of the heating of solids to ten million kelvin by a petawatt laser

Show simple item record Nakatsutsumi, M. en_US Davies, J. R. en_US Kodama, R. en_US Green, J. S. en_US Lancaster, K. L. en_US Akli, K. U. en_US Beg, F. N. en_US Chen, S. N. en_US Clark, D. en_US Freeman, R. R. en_US Gregory, C. D. en_US Habara, H. en_US Heathcote, R. en_US Hey, D. S. en_US Highbarger, K. en_US Jaanimagi, P. en_US Key, M. H. en_US Krushelnick, K. en_US Ma, T. en_US MacPhee, A. en_US MacKinnon, A. J. en_US Nakamura, H. en_US Stephens, R. B. en_US Storm, M. en_US Tampo, M. en_US Theobald, W. en_US Woerkom, L. Van en_US Weber, R. L. en_US Wei, M. S. en_US Woolsey, N. C. en_US Norreys, P. A. en_US 2009-10-08T15:34:19Z 2009-10-08T15:34:19Z 2008 en_US
dc.identifier.citation Nakatsutsumi, M; Davies, J R; Kodama, R; Green, J S; Lancaster, K L; Akli, K U; Beg, F N; Chen, S N; Clark, D; Freeman, R R; Gregory, C D; Habara, H; Heathcote, R; Hey, D S; Highbarger, K; Jaanimagi, P; Key, M H; Krushelnick, K; Ma, T; MacPhee, A; MacKinnon, A J; Nakamura, H; Stephens, R B; Storm, M; Tampo, M; Theobald, W; Woerkom, L Van; Weber, R L; Wei, M S; Woolsey, N C; Norreys, P A (2008). "Space and time resolved measurements of the heating of solids to ten million kelvin by a petawatt laser." New Journal of Physics 10(4):043046 (13pp). <> en_US
dc.identifier.issn 1367-2630 en_US
dc.description.abstract "The heating of plane solid targets by the Vulcan petawatt laser at powers of 0.32-0.73 PW and intensities of up to 4x1020 W cm[?]2 has been diagnosed with a temporal resolution of 17 ps and a spatial resolution of 30 mm, by measuring optical emission from the opposite side of the target to the laser with a streak camera. Second harmonic emission was filtered out and the target viewed at an angle to eliminate optical transition radiation. Spatial resolution was obtained by imaging the emission onto a bundle of fibre optics, arranged into a one-dimensional array at the camera entrance. The results show that a region 160 mm in diameter can be heated to a temperature of [?]107 K (kT/e[?] keV) in solid targets from 10 to 20 mm thick and that this temperature is maintained for at least 20 ps, confirming the utility of PW lasers in the study of high energy density physics. Hybrid code modelling shows that magnetic field generation prevents increased target heating by electron refluxing above a certain target thickness and that the absorption of laser energy into electrons entering the solid target was between 15-30%, and tends to increase with laser energy." en_US
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dc.title Space and time resolved measurements of the heating of solids to ten million kelvin by a petawatt laser en_US
dc.type Article en_US
dc.subject.hlbtoplevel Science en_US
dc.identifier.doi en_US
dc.identifier.source New Journal of Physics en_US
dc.owningcollname Interdisciplinary and Peer-Reviewed
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