Second-order optical nonlinearity of LaBGeO5, LiBGeO4 and Ba2TiGe2O8 crystals in corresponding crystallized glasses

Yoshihiro Takahashi; Yasuhiko Benino; Takumi Fujiwara; Takayuki Komatsu

doi:10.1143/JJAP.41.L1455

Second-order optical nonlinearity of LaBGeO5, LiBGeO4 and Ba2TiGe2O8 crystals in corresponding crystallized glasses

Yoshihiro Takahashi, Yasuhiko Benino, Takumi Fujiwara, Takayuki Komatsu

Research output: Contribution to journal › Article › peer-review

25 Citations (Scopus)

Abstract

Second-order optical nonlinearities, d₃₃, of LaBGeO₅, LiBGeO₄ and Ba₂TiGe₂O₈ crystals in transparent crystallized glasses were estimated by means of the Maker fringe technique. Transparent surface crystallized glasses were fabricated by crystallization of a glass with the exact or close stoichiometric composition of each crystal. The d₃₃ values of ∼0.13 pm/V for LaBGeO₅, ∼0.7 pm/V for LiBGeO₄ and ∼7 pm/V for Ba₂TiGe₂O₈ crystals were obtained. The crystallized glass consisting of Ba₂TiGe₂O₈ crystals with pyramidal TiO₅ units has the largest d₃₃ value of the crystallized glasses reported so far, and its value is comparable to the d₂₂ value of LiNbO₃ single crystal. It is proposed that LiBGeO₄ and Ba₂TiGe₂O₈ crystals can be considered as new candidates for optical nonlinear crystals.

Original language	English
Pages (from-to)	L1455-L1458
Journal	Japanese Journal of Applied Physics
Volume	41
Issue number	12B
DOIs	https://doi.org/10.1143/JJAP.41.L1455
Publication status	Published - Dec 2002
Externally published	Yes

Keywords

Optical nonlinear crystal
Second order optical nonlinearity
Transparent crystallized glass

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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title = "Second-order optical nonlinearity of LaBGeO5, LiBGeO4 and Ba2TiGe2O8 crystals in corresponding crystallized glasses",

abstract = "Second-order optical nonlinearities, d33, of LaBGeO5, LiBGeO4 and Ba2TiGe2O8 crystals in transparent crystallized glasses were estimated by means of the Maker fringe technique. Transparent surface crystallized glasses were fabricated by crystallization of a glass with the exact or close stoichiometric composition of each crystal. The d33 values of ∼0.13 pm/V for LaBGeO5, ∼0.7 pm/V for LiBGeO4 and ∼7 pm/V for Ba2TiGe2O8 crystals were obtained. The crystallized glass consisting of Ba2TiGe2O8 crystals with pyramidal TiO5 units has the largest d33 value of the crystallized glasses reported so far, and its value is comparable to the d22 value of LiNbO3 single crystal. It is proposed that LiBGeO4 and Ba2TiGe2O8 crystals can be considered as new candidates for optical nonlinear crystals.",

keywords = "Optical nonlinear crystal, Second order optical nonlinearity, Transparent crystallized glass",

author = "Yoshihiro Takahashi and Yasuhiko Benino and Takumi Fujiwara and Takayuki Komatsu",

year = "2002",

month = dec,

doi = "10.1143/JJAP.41.L1455",

language = "English",

volume = "41",

pages = "L1455--L1458",

journal = "Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes",

issn = "0021-4922",

publisher = "INSTITUTE OF PURE AND APPLIED PHYSICS",

number = "12B",

}

TY - JOUR

T1 - Second-order optical nonlinearity of LaBGeO5, LiBGeO4 and Ba2TiGe2O8 crystals in corresponding crystallized glasses

AU - Takahashi, Yoshihiro

AU - Benino, Yasuhiko

AU - Fujiwara, Takumi

AU - Komatsu, Takayuki

PY - 2002/12

Y1 - 2002/12

N2 - Second-order optical nonlinearities, d33, of LaBGeO5, LiBGeO4 and Ba2TiGe2O8 crystals in transparent crystallized glasses were estimated by means of the Maker fringe technique. Transparent surface crystallized glasses were fabricated by crystallization of a glass with the exact or close stoichiometric composition of each crystal. The d33 values of ∼0.13 pm/V for LaBGeO5, ∼0.7 pm/V for LiBGeO4 and ∼7 pm/V for Ba2TiGe2O8 crystals were obtained. The crystallized glass consisting of Ba2TiGe2O8 crystals with pyramidal TiO5 units has the largest d33 value of the crystallized glasses reported so far, and its value is comparable to the d22 value of LiNbO3 single crystal. It is proposed that LiBGeO4 and Ba2TiGe2O8 crystals can be considered as new candidates for optical nonlinear crystals.

AB - Second-order optical nonlinearities, d33, of LaBGeO5, LiBGeO4 and Ba2TiGe2O8 crystals in transparent crystallized glasses were estimated by means of the Maker fringe technique. Transparent surface crystallized glasses were fabricated by crystallization of a glass with the exact or close stoichiometric composition of each crystal. The d33 values of ∼0.13 pm/V for LaBGeO5, ∼0.7 pm/V for LiBGeO4 and ∼7 pm/V for Ba2TiGe2O8 crystals were obtained. The crystallized glass consisting of Ba2TiGe2O8 crystals with pyramidal TiO5 units has the largest d33 value of the crystallized glasses reported so far, and its value is comparable to the d22 value of LiNbO3 single crystal. It is proposed that LiBGeO4 and Ba2TiGe2O8 crystals can be considered as new candidates for optical nonlinear crystals.

KW - Optical nonlinear crystal

KW - Second order optical nonlinearity

KW - Transparent crystallized glass

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