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Optical Materials Express

Optical Materials Express

  • Editor: David Hagan
  • Vol. 4, Iss. 3 — Mar. 1, 2014
  • pp: 559–567

Ultraviolet laser-induced degradation of CsLiB6O10 and β-BaB2O4

Kei Takachiho, Masashi Yoshimura, Yoshinori Takahashi, Mamoru Imade, Takatomo Sasaki, and Yusuke Mori  »View Author Affiliations


Optical Materials Express, Vol. 4, Issue 3, pp. 559-567 (2014)
http://dx.doi.org/10.1364/OME.4.000559


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Abstract

We investigated ultraviolet (UV) laser-induced degradation of nonlinear optical crystal CsLiB6O10 (CLBO) and β-BaB2O4 (BBO) using a high-repetition-rate pulsed laser. In this research, we found that the degradation of CLBO was caused by a UV-induced refractive index change at a peak power density higher than a few tens of MW/cm2. On the other hand, BBO exhibited lower UV transmittance at a higher intensity of 10 MW/cm2 and the UV absorption increased with time due to the formation of an absorption center. Moreover, we confirmed that the degradation resistance of CLBO with fewer light scattering defects was improved.

© 2014 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4400) Nonlinear optics : Nonlinear optics, materials

ToC Category:
Nonlinear Optical Materials

History
Original Manuscript: January 6, 2014
Revised Manuscript: February 16, 2014
Manuscript Accepted: February 21, 2014
Published: February 27, 2014

Citation
Kei Takachiho, Masashi Yoshimura, Yoshinori Takahashi, Mamoru Imade, Takatomo Sasaki, and Yusuke Mori, "Ultraviolet laser-induced degradation of CsLiB6O10 and β-BaB2O4," Opt. Mater. Express 4, 559-567 (2014)
http://www.opticsinfobase.org/ome/abstract.cfm?URI=ome-4-3-559


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