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Proceedings Paper

Short pulse laser damage measurements of pulse compression gratings for petawatt laser
Author(s): Gérard Razé; Jérôme Néauport; Gabriel Dupuy; Matthieu Balas; Gabriel Mennerat; Eric Lavastre
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Paper Abstract

An optical bench was developed to measure laser induced damage thresholds in 1:1 and S:1 modes on mirror and grating samples. The laser based on Ti. Sapphire technology delivers Gaussian pulse of 500fs with a maximal energy of 3mJ at 1057nm. The experimental setup can deliver on the sample a peak fluence of 9J/cm2 in right section of the beam with a spot size of 200μm (diameter at 1/e2). Laser induced damage thresholds have been measured on several multidielectric samples produced with different processes. We present in this paper the damage testing setup in details and give some of the obtained results.

Paper Details

Date Published: 18 December 2007
PDF: 9 pages
Proc. SPIE 6720, Laser-Induced Damage in Optical Materials: 2007, 67200Z (18 December 2007); doi: 10.1117/12.752783
Show Author Affiliations
Gérard Razé, Commissariat à l'Energie Atomique (France)
Jérôme Néauport, Commissariat à l'Energie Atomique (France)
Gabriel Dupuy, Commissariat à l'Energie Atomique (France)
Matthieu Balas, VEDIORBIS (France)
Gabriel Mennerat, Commissariat à l'Energie Atomique (France)
Eric Lavastre, Commissariat à l'Energie Atomique (France)

Published in SPIE Proceedings Vol. 6720:
Laser-Induced Damage in Optical Materials: 2007
Gregory J. Exarhos; Arthur H. Guenther; Keith L. Lewis; Detlev Ristau; M. J. Soileau; Christopher J. Stolz, Editor(s)

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