Laser Induced Material Modification in the Bulk KDP Crystals

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Laser induced material modifications in the bulk and on the surface of KDP (KH{sub 2}PO{sub 4}) and DKDP (70-80% deuterated KDP) are studied using fluorescence imaging and spectroscopy. Photoluminescence is observed at damaged regions following above threshold exposure with an emission peak centered at 550-nm. In addition, surfaces exposed to >100 high power, 355-nm laser pulses reveal a reduced surface finishing quality as evidenced by an associated emission under UV photoexcitation. The emission spectra from the laser-induced damage sites and the laser degraded surfaces are similar suggesting the generation of similar defect species.

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407 Kilobytes pages

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Radousky, H.B.; Staggs, M.; Runkel, M. & Burnham, A. December 16, 1999.

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Description

Laser induced material modifications in the bulk and on the surface of KDP (KH{sub 2}PO{sub 4}) and DKDP (70-80% deuterated KDP) are studied using fluorescence imaging and spectroscopy. Photoluminescence is observed at damaged regions following above threshold exposure with an emission peak centered at 550-nm. In addition, surfaces exposed to >100 high power, 355-nm laser pulses reveal a reduced surface finishing quality as evidenced by an associated emission under UV photoexcitation. The emission spectra from the laser-induced damage sites and the laser degraded surfaces are similar suggesting the generation of similar defect species.

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407 Kilobytes pages

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  • Society of Photo-Optical Instrumentation Engineers, Optical of America, Optical Materials Damage Conference, Boulder, CO (US), 10/04/1999--10/07/1999

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  • Report No.: UCRL-JC-136902
  • Grant Number: W-7405-Eng-48
  • Office of Scientific & Technical Information Report Number: 791032
  • Archival Resource Key: ark:/67531/metadc718762

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  • December 16, 1999

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  • Sept. 29, 2015, 5:31 a.m.

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  • May 6, 2016, 2:40 p.m.

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Radousky, H.B.; Staggs, M.; Runkel, M. & Burnham, A. Laser Induced Material Modification in the Bulk KDP Crystals, article, December 16, 1999; California. (digital.library.unt.edu/ark:/67531/metadc718762/: accessed August 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.