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Proceedings Paper

High-damage-threshold fluoride UV mirrors made by ion-beam sputtering
Author(s): Jean DiJon; Etienne Quesnel; Bernard Rolland; Pierre Garrec; Catherine Pelle; Jean Hue
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Paper Abstract

The demonstration of the technical feasibility of very high damage threshold mirrors deposited by an ion beam sputtering process is made. The two chosen materials are Yttrium fluoride for the high index and Lithium fluoride for the low index. The threshold of these two materials at 355nm 3ns is higher than 20J/cm2. High reflection stacks have been deposited with a reflection level of 98.5 percent and a threshold which meets the laser megajoule requirements.

Paper Details

Date Published: 20 April 1998
PDF: 11 pages
Proc. SPIE 3244, Laser-Induced Damage in Optical Materials: 1997, (20 April 1998); doi: 10.1117/12.306989
Show Author Affiliations
Jean DiJon, LETI/CEA/DOPT/CMO (France)
Etienne Quesnel, LETI/CEA/DOPT/CMO (France)
Bernard Rolland, LETI/CEA/DOPT/CMO (France)
Pierre Garrec, LETI/CEA/DOPT/CMO (France)
Catherine Pelle, LETI/CEA/DOPT/CMO (France)
Jean Hue, LETI/CEA/DOPT/CMO (France)

Published in SPIE Proceedings Vol. 3244:
Laser-Induced Damage in Optical Materials: 1997
Gregory J. Exarhos; Arthur H. Guenther; Mark R. Kozlowski; M. J. Soileau, Editor(s)

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