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Development of DAST crystals with high damage tolerance

Authors
Journal
Optical Materials
0925-3467
Publisher
Elsevier
Publication Date
Volume
30
Issue
1
Identifiers
DOI: 10.1016/j.optmat.2006.11.026
Keywords
  • Crystals – Nonlinear Optical
  • Crystal Defects

Abstract

Abstract We carried out the damage test of DAST crystals due to identify the causes of laser damages. DAST laser damages were classified into two regions; surface and bulk. The smooth surface tended to suppress the surface damage. As for the bulk, crystal defects such as twin boundary and narrow-line defect (NLD) were the main causes of bulk damages. Twin-free and NLD-free crystal showed high damage tolerance (over 2.8 GW/cm 2). Growing in the low-supersaturated solution and introducing the solution stirring were effective to obtain DAST crystals with high damage tolerance.

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