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Proceedings Paper

Material properties experiments using the AWE HELEN laser
Author(s): P. C. Thompson; S. D. Rothman; A. M. Evans; R. T. Eagleton; D. J. Hoarty; S. J. Davidson; C. Robinson; J. R. Maw; P. Graham
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Paper Abstract

The AWE 1 TW Nd-glass laser HELEN has been used for a number of studies of material properties. Here we discuss measurement of preheat in our high pressure Hugoniot studies and present results for the principal Hugoniot of triacrylate foam at pressures up to 1 Mb. Michelson interferometer results demonstrate spallation in shocked aluminum enabling us to quantify the spall thickness and strength. High resolution spectral data has been obtained from niobium samples in which the M-shell approaches full occupancy.

Paper Details

Date Published: 23 April 2001
PDF: 4 pages
Proc. SPIE 4424, ECLIM 2000: 26th European Conference on Laser Interaction with Matter, (23 April 2001); doi: 10.1117/12.425563
Show Author Affiliations
P. C. Thompson, AWE Aldermaston (United Kingdom)
S. D. Rothman, AWE Aldermaston (United Kingdom)
A. M. Evans, AWE Aldermaston (United Kingdom)
R. T. Eagleton, AWE Aldermaston (United Kingdom)
D. J. Hoarty, AWE Aldermaston (United Kingdom)
S. J. Davidson, AWE Aldermaston (United Kingdom)
C. Robinson, AWE Aldermaston (United Kingdom)
J. R. Maw, AWE Aldermaston (United Kingdom)
P. Graham, AWE Aldermaston (United Kingdom)

Published in SPIE Proceedings Vol. 4424:
ECLIM 2000: 26th European Conference on Laser Interaction with Matter
Milan Kalal; Karel Rohlena; Milan Sinor, Editor(s)

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