The energy coupling efficiency of multiwavelength laser pulses to damage initiating defects in deuterated K H2 P O4 nonlinear crystals

P. DeMange, R. A. Negres, A. M. Rubenchik, H. B. Radousky, M. D. Feit, S. G. Demos

Research output: Contribution to journalArticle

35 Scopus citations

Abstract

The bulk damage performance of potassium dihydrogen phosphate crystals under simultaneous exposure to 1064, 532, and 355 nm nanosecond-laser pulses is investigated in order to probe the mechanisms governing damage initiation during frequency conversion. The results provide insight into the dependence on laser parameters of the defect-assisted excitation process responsible for coupling of the laser energy into the lattice under exposure to high power laser light. In addition, it is suggested that the damage performance can be directly related to and predicted from the damage behavior of the crystal at each wavelength separately.

Original languageEnglish (US)
Article number083122
JournalJournal of Applied Physics
Volume103
Issue number8
DOIs
StatePublished - 2008
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Physics and Astronomy(all)

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