Optical second order nonlinearity of transparent Ba2TiGe 2O8 crystallized glasses

Yoshihiro Takahashi; Yasuhiko Benino; Takumi Fujiwara; Takayuki Komatsu

doi:10.1063/1.1493667

Optical second order nonlinearity of transparent Ba₂TiGe ₂O₈ crystallized glasses

Yoshihiro Takahashi, Yasuhiko Benino, Takumi Fujiwara, Takayuki Komatsu

Research output: Contribution to journal › Article

79 Citations (Scopus)

Abstract

Optical second-order nonlinearity of ferroelastic Ba₂TiGe ₂O₈ crystal in transparent crystallized glasses was estimated by means of the Maker fringe technique. Transparent crystallized glasses were fabricated by crystallization of a glass with the composition of 30 BaO.15 TiO₂.55 GeO₂. 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 Ba₂TiGe₂O₈ crystal was found to be ∼10pm/V, being comparable to d₂₂ and d₃₁ of LiNbO ₃, and demonstrating that Ba₂TiGe₂O₈ crystal is an excellent candidate for nonlinear optical crystals.

Original language	English
Pages (from-to)	223-225
Number of pages	3
Journal	Applied Physics Letters
Volume	81
Issue number	2
DOIs	https://doi.org/10.1063/1.1493667
Publication status	Published - Jul 8 2002
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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Takahashi, Y., Benino, Y., Fujiwara, T., & Komatsu, T. (2002). Optical second order nonlinearity of transparent Ba₂TiGe ₂O₈ crystallized glasses. Applied Physics Letters, 81(2), 223-225. https://doi.org/10.1063/1.1493667

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abstract = "Optical second-order nonlinearity of ferroelastic Ba2TiGe 2O8 crystal in transparent crystallized glasses was estimated by means of the Maker fringe technique. Transparent crystallized glasses were fabricated by crystallization of a glass with the composition of 30 BaO.15 TiO2.55 GeO2. 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 Ba2TiGe2O8 crystal was found to be ∼10pm/V, being comparable to d22 and d31 of LiNbO 3, and demonstrating that Ba2TiGe2O8 crystal is an excellent candidate for nonlinear optical crystals.",

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AU - Takahashi, Yoshihiro

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AU - Komatsu, Takayuki

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