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Proceedings Paper

The effect of lattice temperature on surface damage in fused silica optics
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Paper Abstract

We examine the effect of lattice temperature on the probability of surface damage initiation for 355nm, 7ns laser pulses for surface temperatures below the melting point to temperatures well above the melting point of fused silica. At sufficiently high surface temperatures, damage thresholds are dramatically reduced. Our results indicate a temperature activated absorption and support the idea of a lattice temperature threshold of surface damage. From these measurements, we estimate the temperature dependent absorption coefficient for intrinsic silica.

Paper Details

Date Published: 18 December 2007
PDF: 9 pages
Proc. SPIE 6720, Laser-Induced Damage in Optical Materials: 2007, 672009 (18 December 2007); doi: 10.1117/12.752989
Show Author Affiliations
J. Bude, Lawrence Livermore National Lab. (United States)
G. Guss, Lawrence Livermore National Lab. (United States)
M. Matthews, Lawrence Livermore National Lab. (United States)
M. L. Spaeth, Lawrence Livermore National Lab. (United States)


Published in SPIE Proceedings Vol. 6720:
Laser-Induced Damage in Optical Materials: 2007
Gregory J. Exarhos; Arthur H. Guenther; Keith L. Lewis; Detlev Ristau; M. J. Soileau; Christopher J. Stolz, Editor(s)

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