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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 21 — Jul. 20, 2009
  • pp: 4263–4269

Laser-induced damage investigation at 1064 nm in K Ti O P O 4 crystals and its analogy with Rb Ti O P O 4

A. Hildenbrand, F. R. Wagner, H. Akhouayri, J.-Y. Natoli, M. Commandré, F. Théodore, and H. Albrecht  »View Author Affiliations


Applied Optics, Vol. 48, Issue 21, pp. 4263-4269 (2009)
http://dx.doi.org/10.1364/AO.48.004263


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Abstract

Bulk laser-induced damage at 1064 nm has been investigated in K Ti O P O 4 (KTP) and Rb Ti O P O 4 (RTP) crystals with a nanosecond pulsed Nd : YAG laser. Both crystals belong to the same family. Throughout this study, their comparison shows a very similar laser-damage behavior. The evolution of the damage resistance under a high number of shots per site (10,000 shots) reveals a fatigue effect of KTP and RTP crystals. In addition, S-on-1 damage probability curves have been measured in both crystals for all combinations of polarization and propagation direction aligned with the principal axes of the crystals. The results show an influence of the polarization on the laser-induced damage threshold (LIDT), with a significantly higher threshold along the z axis, whereas no effect of the propagation direction has been observed. This LIDT anisotropy is discussed with regard to the crystallographic structure.

© 2009 Optical Society of America

OCIS Codes
(140.3330) Lasers and laser optics : Laser damage
(160.2100) Materials : Electro-optical materials
(160.4330) Materials : Nonlinear optical materials
(260.1180) Physical optics : Crystal optics

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: May 11, 2009
Manuscript Accepted: July 6, 2009
Published: July 17, 2009

Citation
A. Hildenbrand, F. R. Wagner, H. Akhouayri, J.-Y. Natoli, M. Commandré, F. Théodore, and H. Albrecht, "Laser-induced damage investigation at 1064 nmin KTiOPO4 crystals and its analogy with RbTiOPO4," Appl. Opt. 48, 4263-4269 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-21-4263

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