Modeling of laser damage initiated by surface contamination

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The authors are engaged in a comprehensive effort to understand and model the initiation and growth of laser damage initiated by surface contaminants. This includes, for example, the initial absorption by the contaminant, heating and plasma generation, pressure and thermal loading of the transparent substrate, and subsequent shockwave propagation, `splashing` of molten material and possible spallation, optical propagation and scattering, and treatment of material fracture. The integration use of large radiation hydrodynamics codes, optical propagation codes and material strength codes enables a comprehensive view of the damage process The following picture of surface contaminant initiated laser damage is emerging from ... continued below

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11 p.

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Feit, M.D.; Rubenchik, A.M.; Faux, D.R.; Riddle, R.A.; Shapiro, A.; Eder, D.C. et al. November 1, 1996.

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Description

The authors are engaged in a comprehensive effort to understand and model the initiation and growth of laser damage initiated by surface contaminants. This includes, for example, the initial absorption by the contaminant, heating and plasma generation, pressure and thermal loading of the transparent substrate, and subsequent shockwave propagation, `splashing` of molten material and possible spallation, optical propagation and scattering, and treatment of material fracture. The integration use of large radiation hydrodynamics codes, optical propagation codes and material strength codes enables a comprehensive view of the damage process The following picture of surface contaminant initiated laser damage is emerging from our simulations.

Physical Description

11 p.

Notes

INIS; OSTI as DE97051670

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  • 28. annual symposium on optical materials for high power lasers - Boulder damage symposium, Boulder, CO (United States), 7-9 Oct 1996

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  • Other: DE97051670
  • Report No.: UCRL-JC--124538
  • Report No.: CONF-961070--10
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 462880
  • Archival Resource Key: ark:/67531/metadc679337

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Office of Scientific & Technical Information Technical Reports

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  • November 1, 1996

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  • July 25, 2015, 2:21 a.m.

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  • Feb. 23, 2016, 5:38 p.m.

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Feit, M.D.; Rubenchik, A.M.; Faux, D.R.; Riddle, R.A.; Shapiro, A.; Eder, D.C. et al. Modeling of laser damage initiated by surface contamination, article, November 1, 1996; California. (digital.library.unt.edu/ark:/67531/metadc679337/: accessed May 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.