Material properties experiments using the AWE HELEN laser

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

doi:10.1117/12.425563

23 April 2001 Material properties experiments using the AWE HELEN laser

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

Author Affiliations +

Proceedings Volume 4424, ECLIM 2000: 26th European Conference on Laser Interaction with Matter; (2001) https://doi.org/10.1117/12.425563
Event: 26th European Conference on Laser Interaction with Matter (ECLIM 2000), 2000, Prague, Czech Republic

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.

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P. C. Thompson, S. D. Rothman, A. M. Evans, R. T. Eagleton, D. J. Hoarty, S. J. Davidson, C. Robinson, J. R. Maw, and P. Graham "Material properties experiments using the AWE HELEN laser", Proc. SPIE 4424, ECLIM 2000: 26th European Conference on Laser Interaction with Matter, (23 April 2001); https://doi.org/10.1117/12.425563

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