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Conference Paper
Nonlinear Optics: Materials, Fundamentals and Applications
Wailea, Maui, Hawaii United States
January 1, 2002
ISBN: 1-55752-721-0
Poster Session (WE)

Fabrication and optical second order nonlinearity of transparent Ba2TiGe2O8 crystallized glasses

Takayuki Komatsu, Y. Takahashi, Y. Benino, and T. Fujiwara

http://dx.doi.org/10.1364/NLO.2002.WE19


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Abstract

We estimated an optical second order nonlinearity of ferroelastic Ba2TiGe2O8 crystal in transparent crystallized glasses by means of Maker fringe technique for the first time. Transparent crystallized glasses were fabricated using a glass with the composition of 30BaO.15TiO2.55GeO2, similar to that of Ba2TiGe2O8. The crystalline layer consisting of highly oriented Ba2TiGe2O8 crystals was formed at the surface of about 9 µm thickness, and a clear second harmonic generation was observed. The optical second order nonlinearity of d33 for transparent Ba2TiGe2O8 crystallized glass was found to be ~10 pm/V, being comparable to d22 and d31 of LiNbO3, and demonstrating that Ba2TiGe2O8 crystal is an excellent candidate for nonlinear optical crystals.

© 2002 Optical Society of America

OCIS Codes
(160.2750) Materials : Glass and other amorphous materials
(190.2620) Nonlinear optics : Harmonic generation and mixing

Citation
T. Komatsu, Y. Takahashi, Y. Benino, and T. Fujiwara, " Fabrication and optical second order nonlinearity of transparent Ba2TiGe2O8 crystallized glasses," in Nonlinear Optics: Materials, Fundamentals and Applications, A. Sawchuk, ed., Vol. 79 of OSA Trends in Optics and Photonics (Optical Society of America, 2002), paper WE19.
http://www.opticsinfobase.org/abstract.cfm?URI=NLO-2002-WE19


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