Short pulse laser damage measurements of pulse compression gratings for petawatt laser

Gérard Razé; Jérôme Néauport; Gabriel Dupuy; Matthieu Balas; Gabriel Mennerat; Eric Lavastre

doi:10.1117/12.752783

18 December 2007 Short pulse laser damage measurements of pulse compression gratings for petawatt laser

Gérard Razé, Jérôme Néauport, Gabriel Dupuy, Matthieu Balas, Gabriel Mennerat, Eric Lavastre

Proceedings Volume 6720, Laser-Induced Damage in Optical Materials: 2007; 67200Z (2007) https://doi.org/10.1117/12.752783
Event: Boulder Damage Symposium XXXIX: Annual Symposium on Optical Materials for High Power Lasers, 2007, Boulder, Colorado, United States

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.

Citation Download Citation

Gérard Razé, Jérôme Néauport, Gabriel Dupuy, Matthieu Balas, Gabriel Mennerat, and Eric Lavastre "Short pulse laser damage measurements of pulse compression gratings for petawatt laser", Proc. SPIE 6720, Laser-Induced Damage in Optical Materials: 2007, 67200Z (18 December 2007); https://doi.org/10.1117/12.752783

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