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Proceedings Paper

Thermomechanical model of mirror laser damage at 1.06 um: I. Nodule ejection
Author(s): Jean Dijon; Marc Poulingue; Jean Hue
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Paper Abstract

A simple tractable model based on a thermomechanical approach of nodule ejection is developed. Our main purpose is to investigate the nodule critically according to the depth of the seed inside of the coating, in order to understand why the deepest nodules located close to the substrate interface are the most critical. A summary of the experimental results concerning the behavior of irradiated nodules is achieved. Then, the model is checked thanks to experimental data. A critical location of the nodules close to the top surface of the coating is found. A supplemental ingredient is added to understand why the nodules close to the substrate interface are critical.

Paper Details

Date Published: 7 April 1999
PDF: 11 pages
Proc. SPIE 3578, Laser-Induced Damage in Optical Materials: 1998, (7 April 1999); doi: 10.1117/12.344394
Show Author Affiliations
Jean Dijon, CEA-LETI (France)
Marc Poulingue, REOSC (France)
Jean Hue, CEA-LETI (France)

Published in SPIE Proceedings Vol. 3578:
Laser-Induced Damage in Optical Materials: 1998
Gregory J. Exarhos; Arthur H. Guenther; Mark R. Kozlowski; Keith L. Lewis; M. J. Soileau, Editor(s)

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