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Proceedings Paper

Does complex absorption behavior leading to conditioning and damage in KDP/DKDP reflect the electronic structure of initiators?
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Paper Abstract

Currently, most of our thinking about the defects responsible for initiating laser damage considers them as featureless absorbers. However, an increasing body of evidence, particularly involving multi-wavelength irradiation, suggests electronic structure of damage initiators is important in determining both initiation and conditioning behaviors in KDP. The effective absorption coefficient of energy under multi-wavelength irradiation cannot be accounted for by a structureless absorber, but is consistent with an initiator with a multi-level structure. We outline the evidence and assess the ability of such a simple multi-level model to explain these and other experimentally observed behaviors.

Paper Details

Date Published: 18 December 2007
PDF: 8 pages
Proc. SPIE 6720, Laser-Induced Damage in Optical Materials: 2007, 672005 (18 December 2007); doi: 10.1117/12.748444
Show Author Affiliations
M. D. Feit, Lawrence Livermore National Lab. (United States)
P. P. DeMange, Lawrence Livermore National Lab. (United States)
R. A. Negres, Lawrence Livermore National Lab. (United States)
A. M. Rubenchik, Lawrence Livermore National Lab. (United States)
S. G. Demos, Lawrence Livermore National Lab. (United States)


Published in SPIE Proceedings Vol. 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, Editor(s)

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