Investigation of laser annealing parameters for optimal laser-damage performance in deuterated potassium dihydrogen phosphate

R. A. Negres, P. DeMange, S. G. Demos

Research output: Contribution to journalArticle

32 Scopus citations

Abstract

Laser annealing via preexposure to laser pulses at sub-damage-threshold fluences is known to improve the resistance of KDP crystals to laser-induced damage. Using a specific damage-testing method, we investigate the laser annealing process as a function of fluence and number of preexposure pulses (at 355 nm, 2.5 ns). Our aim is to reveal the key laser parameters in order to devise a practical and efficient protocol for optimizing performance of the material for operation in laser systems in the near UV. Results suggest that a near twofold improvement to the laser-damage performance can be achieved with a limited number of preexposure pulses.

Original languageEnglish (US)
Pages (from-to)2766-2768
Number of pages3
JournalOptics Letters
Volume30
Issue number20
DOIs
StatePublished - Oct 15 2005
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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