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Optics Letters

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  • Vol. 23, Iss. 24 — Dec. 15, 1998
  • pp: 1892–1894

Stoichiometric Mg:LiNbO3 as an effective material for nonlinear optics

Yasunori Furukawa, Kenji Kitamura, Shunji Takekawa, Kazuo Niwa, and Hideki Hatano  »View Author Affiliations


Optics Letters, Vol. 23, Issue 24, pp. 1892-1894 (1998)
http://dx.doi.org/10.1364/OL.23.001892


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Abstract

Photorefractive damage, optical absorption, photoconductivities, and photogalvanic currents of stoichiometric LiNbO<sub>3</sub> single crystals with different Mg doping levels have been investigated. Nominally pure stoichiometric LiNbO<sub>3</sub> shows lower photorefractive damage resistance than congruent crystal; however, stoichiometric crystals doped with MgO of more than 1.8 mol. % exhibit no measurable photorefractive damage at 532 nm to intensities of as much as 8 MW/cm<sup>2</sup> . This remarkable damage resistance can be attributed not only to increased photoconductivity but also to decreased photogalvanic current. Stoichiometric Mg:LiNbO<sub>3</sub> also demonstrates the shortest absorption edge, 302 nm, and a single-domain nature with low scattering losses.

© 1998 Optical Society of America

OCIS Codes
(190.4400) Nonlinear optics : Nonlinear optics, materials
(190.5330) Nonlinear optics : Photorefractive optics
(260.5150) Physical optics : Photoconductivity
(300.1030) Spectroscopy : Absorption

Citation
Yasunori Furukawa, Kenji Kitamura, Shunji Takekawa, Kazuo Niwa, and Hideki Hatano, "Stoichiometric Mg:LiNbO3 as an effective material for nonlinear optics," Opt. Lett. 23, 1892-1894 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-24-1892


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