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Published in

Elsevier, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 3(415), p. 668-673

DOI: 10.1016/s0168-9002(98)00445-8

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Design of absolute equation of state measurements in optically thick materials by laser-driven shock waves

Journal article published in 1998 by Mauro Temporal, S. Atzeni ORCID, D. Batani, M. Koenig, A. Benuzzi, B. Faral
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Some aspects of the design of a target for the absolute measurement of Equation-of-State data at pressure of tens of Mbar, in optically thick materials are discussed. In the proposed experiment, a shock wave is generated in a laser-irradiated sample, and the shock velocity and the material velocity behind the shock are simultaneously measured by the optical and X-ray diagnostics. Accurate measurements require the generation of a steady, planar shock, and the detection of the motion of a shocked fluid interface by transverse radiography. One- and two-dimensional numerical fluid simulations have been performed to optimize beam and target design, in order to fulfil such requirements.