Laser damage on diffractive optics

Laurent Gallais; Guillaume Demesy; Mireille Commandré; Stéphane Tisserand; Sophie Gauthier; Fabien Reversat; Marc Hubert

doi:10.1117/12.695413

23 January 2007 Laser damage on diffractive optics

Laurent Gallais, Guillaume Demesy, Mireille Commandré, Stéphane Tisserand, Sophie Gauthier, Fabien Reversat, Marc Hubert

Author Affiliations +

Proceedings Volume 6403, Laser-Induced Damage in Optical Materials: 2006; 640304 (2007) https://doi.org/10.1117/12.695413
Event: Boulder Damage Symposium XXXVIII: Annual Symposium on Optical Materials for High Power Lasers, 2006, Boulder, Colorado, United States

Abstract

Laser damage studies are made on a phase mirror used for laser beam shaping in high power laser applications. The phase mirror is composed of a glass substrate with defined patterns to encode a phase, on top of which a multilayer mirror is deposited. We describe in this paper the LIDT obtained (at 1064nm, 6ns) and the laser damage test procedure, adapted to the geometry, that has been used. A morphologic analysis of the damage sites is made with Nomarski and Atomic Force Microscopy, to obtain information on the damage initiation and its localization on the structured component. The results are completed with simulations of the electric field within the multilayer by using a wave propagation computer code. We obtain localization and values of the light intensification occurring in the structure, that we correlate to experimental measurements.

Citation Download Citation

Laurent Gallais, Guillaume Demesy, Mireille Commandré, Stéphane Tisserand, Sophie Gauthier, Fabien Reversat, and Marc Hubert "Laser damage on diffractive optics", Proc. SPIE 6403, Laser-Induced Damage in Optical Materials: 2006, 640304 (23 January 2007); https://doi.org/10.1117/12.695413

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