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Proceedings Paper

Ring-like damage morphologies produced by continuous-wave laser irradiation
Author(s): L. N. Taylor; J. J. Talghader
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Paper Abstract

The surface damage morphologies produced by continuous-wave laser irradiation of coated optics were measured and analyzed. A few laser damage morphologies were observed to be bull’s-eye patterns. It is noted that the bull’s-eye pattern has some similarities to Bessel distributions of the form found in solutions of basic heat transfer or surface acoustic wave problems, which may indicate a relationship. If these morphologies are truly thermal phenomenon, then the Bessel ring diameter would be a function of thermal diffusivity. This might indicate that the ring diameter could be used to assess the resistance of a film to laser damage.

Paper Details

Date Published: 31 October 2014
PDF: 6 pages
Proc. SPIE 9237, Laser-Induced Damage in Optical Materials: 2014, 92371L (31 October 2014); doi: 10.1117/12.2067956
Show Author Affiliations
L. N. Taylor, Univ. of Minnesota, Twin Cities (United States)
J. J. Talghader, Univ. of Minnesota, Twin Cities (United States)


Published in SPIE Proceedings Vol. 9237:
Laser-Induced Damage in Optical Materials: 2014
Gregory J. Exarhos; Vitaly E. Gruzdev; Joseph A. Menapace; Detlev Ristau; MJ Soileau; Detlev Ristau, Editor(s)

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