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

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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.

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Bude, J; Guss, G; Matthews, M & Spaeth, M L October 31, 2007.

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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.

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PDF-file: 9 pages; size: 0.3 Mbytes

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  • Presented at: Boulder Damage Symposium, Boulder, CO, United States, Sep 24 - Sep 26, 2007

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  • Report No.: UCRL-PROC-236467
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 923125
  • Archival Resource Key: ark:/67531/metadc901956

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Office of Scientific & Technical Information Technical Reports

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  • October 31, 2007

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  • Sept. 27, 2016, 1:39 a.m.

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  • Dec. 7, 2016, 10:57 a.m.

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Bude, J; Guss, G; Matthews, M & Spaeth, M L. The effect of lattice temperature on surface damage in fused silica optics, article, October 31, 2007; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc901956/: accessed September 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.