Engineering meter-scale laser resistant coatings for the near IR

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Laser resistant coatings are needed for beam steering (mirrors), pulse switching (polarizers), and high transport efficiency on environmental barriers (windows/lenses) on large laser systems. A range of defects limit the exposure fluence of these coatings. By understanding the origin and damage mechanisms for these defects, the deposition process can be optimized to realize coatings with greater laser resistance. Electric field modeling can provide insight into which defects are most problematic. Laser damage growth studies are useful for determining a functional laser damage criteria. Mitigation techniques such as micro-machining with a single-crystal diamond cutting tool or short pulse laser ablation using ... continued below

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Stolz, C J; Adams, J J; Shirk, M D; Norton, M A & Weiland, T L August 26, 2005.

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Laser resistant coatings are needed for beam steering (mirrors), pulse switching (polarizers), and high transport efficiency on environmental barriers (windows/lenses) on large laser systems. A range of defects limit the exposure fluence of these coatings. By understanding the origin and damage mechanisms for these defects, the deposition process can be optimized to realize coatings with greater laser resistance. Electric field modeling can provide insight into which defects are most problematic. Laser damage growth studies are useful for determining a functional laser damage criteria. Mitigation techniques such as micro-machining with a single-crystal diamond cutting tool or short pulse laser ablation using the burst technique can be used to arrest growth in damage sites to extend optic lifetime.

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PDF-file: 11 pages; size: 3.2 Mbytes

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  • Presented at: SPIE Optical Systems Design 2005, Jena, Germany, Sep 12 - Sep 16, 2005

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  • Report No.: UCRL-CONF-215252
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 875656
  • Archival Resource Key: ark:/67531/metadc878817

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • August 26, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • Nov. 23, 2016, 6:46 p.m.

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Stolz, C J; Adams, J J; Shirk, M D; Norton, M A & Weiland, T L. Engineering meter-scale laser resistant coatings for the near IR, article, August 26, 2005; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc878817/: accessed October 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.