Improvement of Pockels effect by crystallization-process control in nonlinear-optical glass-ceramics

Tomoki Otsuki; Yoshihiro Takahashi; Nobuaki Terakado; Takumi Fujiwara

doi:10.1016/j.ceramint.2019.05.170

Improvement of Pockels effect by crystallization-process control in nonlinear-optical glass-ceramics

Tomoki Otsuki, Yoshihiro Takahashi, Nobuaki Terakado, Takumi Fujiwara

ENG - Applied Physics

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

1 Citation (Scopus)

Abstract

We have fabricated perfectly-surface-crystallized glass-ceramics (PSC-GCs) consisting of polar frenoite-type Sr₂TiSi₂O₈ by different crystallization-process conditions, i.e., isothermal treatment at 880 °C for 72 h and 960 °C for 1 h, and have examined their Pockels effect in this study. The PSC-GCs obtained by the lower-temperature process exhibited the Pockels coefficients, i.e., r₁₃ ∼ 3.0 pm/V and r₃₃ ∼ 2.4 pm/V, and the coefficients exceeded the reported values of the PSC-GCs with Sr₂TiSi₂O₈ phase. The improvement of Pockels effect is attributed to the higher crystal-orientation, which is provided by the lower-temperature condition.

Original language	English
Pages (from-to)	16713-16716
Number of pages	4
Journal	Ceramics International
Volume	45
Issue number	13
DOIs	https://doi.org/10.1016/j.ceramint.2019.05.170
Publication status	Published - 2019 Sep

Keywords

Fresnoite
Glass-ceramics
Nonlinear optical crystal
Perfect surface crystallization
Pockels effect
Silicate glass

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Process Chemistry and Technology
Surfaces, Coatings and Films
Materials Chemistry

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@article{620dcb176c8f4a908beb28ecd18b2b65,

title = "Improvement of Pockels effect by crystallization-process control in nonlinear-optical glass-ceramics",

abstract = "We have fabricated perfectly-surface-crystallized glass-ceramics (PSC-GCs) consisting of polar frenoite-type Sr2TiSi2O8 by different crystallization-process conditions, i.e., isothermal treatment at 880 °C for 72 h and 960 °C for 1 h, and have examined their Pockels effect in this study. The PSC-GCs obtained by the lower-temperature process exhibited the Pockels coefficients, i.e., r13 ∼ 3.0 pm/V and r33 ∼ 2.4 pm/V, and the coefficients exceeded the reported values of the PSC-GCs with Sr2TiSi2O8 phase. The improvement of Pockels effect is attributed to the higher crystal-orientation, which is provided by the lower-temperature condition.",

keywords = "Fresnoite, Glass-ceramics, Nonlinear optical crystal, Perfect surface crystallization, Pockels effect, Silicate glass",

author = "Tomoki Otsuki and Yoshihiro Takahashi and Nobuaki Terakado and Takumi Fujiwara",

year = "2019",

month = sep,

doi = "10.1016/j.ceramint.2019.05.170",

language = "English",

volume = "45",

pages = "16713--16716",

journal = "Ceramics International",

issn = "0272-8842",

publisher = "Elsevier Limited",

number = "13",

}

TY - JOUR

T1 - Improvement of Pockels effect by crystallization-process control in nonlinear-optical glass-ceramics

AU - Otsuki, Tomoki

AU - Takahashi, Yoshihiro

AU - Terakado, Nobuaki

AU - Fujiwara, Takumi

PY - 2019/9

Y1 - 2019/9

N2 - We have fabricated perfectly-surface-crystallized glass-ceramics (PSC-GCs) consisting of polar frenoite-type Sr2TiSi2O8 by different crystallization-process conditions, i.e., isothermal treatment at 880 °C for 72 h and 960 °C for 1 h, and have examined their Pockels effect in this study. The PSC-GCs obtained by the lower-temperature process exhibited the Pockels coefficients, i.e., r13 ∼ 3.0 pm/V and r33 ∼ 2.4 pm/V, and the coefficients exceeded the reported values of the PSC-GCs with Sr2TiSi2O8 phase. The improvement of Pockels effect is attributed to the higher crystal-orientation, which is provided by the lower-temperature condition.

AB - We have fabricated perfectly-surface-crystallized glass-ceramics (PSC-GCs) consisting of polar frenoite-type Sr2TiSi2O8 by different crystallization-process conditions, i.e., isothermal treatment at 880 °C for 72 h and 960 °C for 1 h, and have examined their Pockels effect in this study. The PSC-GCs obtained by the lower-temperature process exhibited the Pockels coefficients, i.e., r13 ∼ 3.0 pm/V and r33 ∼ 2.4 pm/V, and the coefficients exceeded the reported values of the PSC-GCs with Sr2TiSi2O8 phase. The improvement of Pockels effect is attributed to the higher crystal-orientation, which is provided by the lower-temperature condition.

KW - Fresnoite

KW - Glass-ceramics

KW - Nonlinear optical crystal

KW - Perfect surface crystallization

KW - Pockels effect

KW - Silicate glass

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