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Proceedings Article

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

[+] Author Affiliations
J. Bude, G. Guss, M. Matthews, M. L. Spaeth

Lawrence Livermore National Lab.

Proc. SPIE 6720, Laser-Induced Damage in Optical Materials: 2007, 672009 (December 18, 2007); doi:10.1117/12.752989
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From Conference Volume 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
  • Boulder, CO | September 24, 2007

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.

© (2007) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

J. Bude ; G. Guss ; M. Matthews and M. L. Spaeth
"The effect of lattice temperature on surface damage in fused silica optics", Proc. SPIE 6720, Laser-Induced Damage in Optical Materials: 2007, 672009 (December 18, 2007); doi:10.1117/12.752989; http://dx.doi.org/10.1117/12.752989


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