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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Glenn D. Boreman
  • Vol. 44, Iss. 35 — Dec. 10, 2005
  • pp: 7651–7658

Monolithic wavelength converter for ultraviolet light by use of a GdxY1-xCa4O(BO3)3 crystal

Satoshi Hatano, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki, and Satoshi Ito  »View Author Affiliations


Applied Optics, Vol. 44, Issue 35, pp. 7651-7658 (2005)
http://dx.doi.org/10.1364/AO.44.007651


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Abstract

GdxY1-xCa4O(BO3)3 (GdYCOB) is a promising nonlinear optical crystal that shows high effective nonlinearity deff, noncritical phase matching, and high chemical stability. We report on the fabrication and characteristics of a monolithic wavelength converter, which generates ultraviolet light by the incidence of a 1.064 µm near-infrared laser. The converter consists of GdYCOB for third-harmonic generation, KTiOPO4 (KTP) for second-harmonic generation, and a wave plate. GdYCOB has the advantage of an extremely wide angular acceptance bandwidth, whereas KTP exhibits a high effective nonlinear coefficient and a broad temperature bandwidth. Consequently the combination of these crystals results in highly efficient and stable ultraviolet conversion for constructing a compact and robust ultraviolet laser.

© 2005 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(140.7240) Lasers and laser optics : UV, EUV, and X-ray lasers
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4160) Nonlinear optics : Multiharmonic generation

ToC Category:
Nonlinear Optics

Citation
Satoshi Hatano, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki, and Satoshi Ito, "Monolithic wavelength converter for ultraviolet light by use of a GdxY1-xCa4O(BO3)3 crystal," Appl. Opt. 44, 7651-7658 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-35-7651

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