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Optical smoothing for shock-wave generation: Application to the measurement of equations of state

Published online by Cambridge University Press:  09 March 2009

Dimitri Batani ,
Simone Bossi ,
Alessandra Benuzzi ,
Michel Koenig ,
Bernard Faral ,
Jean Michel Boudenne ,
Nicolas Grandjouan ,
Stefano Atzeni  and
Mauro Temporal
Dimitri Batani
Affiliation:
Dipartimento di Fisica, Università degli Studi di Milano Via Celoria 16, 20133 Milano, Italy
Simone Bossi
Affiliation:
Dipartimento di Fisica, Università degli Studi di Milano Via Celoria 16, 20133 Milano, Italy
Alessandra Benuzzi
Affiliation:
Dipartimento di Fisica, Università degli Studi di Milano Via Celoria 16, 20133 Milano, Italy
Michel Koenig
Affiliation:
Laboratoire pour I'Utilisation des Lasers Intenses Ecole Polytechnique, 91128 Palaiseau, France
Bernard Faral
Affiliation:
Laboratoire pour I'Utilisation des Lasers Intenses Ecole Polytechnique, 91128 Palaiseau, France
Jean Michel Boudenne
Affiliation:
Laboratoire pour I'Utilisation des Lasers Intenses Ecole Polytechnique, 91128 Palaiseau, France
Nicolas Grandjouan
Affiliation:
Laboratoire de Physique des Milieux Ionises Ecole Polytechnique, 91128 Palaiseau, France
Stefano Atzeni
Affiliation:
Associazione EURATOM-ENEA sulla Fusione, C.R.E Frascati, C.P. 65, 00044 Frascati, Rome, Italy
Mauro Temporal
Affiliation:
INFN, Laboratori Nazionali di Legnaro, Via Romea 4, 35020 Legnaro, Italy
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Abstract

Experimental results are presented on shock-wave generation in solid samples, irradiated directly by optically smoothed laser beams. Random phase plates and phased zone plates have been successfully used. In particular, the last technique allowed the production of uniform shock fronts that have been used for equation of state experiments at pressures above 10 Mbar. Pressures higher than 35 Mbar were achieved in gold, by using laser pulses with energy E ≈ 100 J, and structured, two-step, two-material targets.

Information

Type
Research Article
Information
Laser and Particle Beams , Volume 14 , Issue 2 , June 1996 , pp. 211 - 223
Copyright
Copyright © Cambridge University Press 1996

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References

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