Note: Electro-optic coefficients of Li-deficient MgO-doped LiNbO3 crystal

Wan-Ying Du; Zi-Bo Zhang; Shuai Ren; Wing-Han Wong; Dao-Yin Yu; Edwin Yue-Bun Pun; De-Long Zhang

doi:10.1063/1.4963703

Note : Electro-optic coefficients of Li-deficient MgO-doped LiNbO₃ crystal

Research output: Journal Publications and Reviews › RGC 62 - Review of books or of software (or similar publications/items) › peer-review

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Author(s)

Wan-Ying Du
Zi-Bo Zhang
Shuai Ren
Wing-Han Wong
Dao-Yin Yu
De-Long Zhang

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Detail(s)

Original language	English
Article number	96105
Journal / Publication	Review of Scientific Instruments
Volume	87
Issue number	9
Publication status	Published - 1 Sept 2016

Link(s)

DOI	DOI https://doi.org/10.1063/1.4963703 Final Published version
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Link to Scopus	https://www.scopus.com/record/display.uri?eid=2-s2.0-84989157839&origin=recordpage
Permanent Link	https://scholars.cityu.edu.hk/en/publications/publication(e82ecc2f-ac93-4146-9fca-60cdcc432339).html

Abstract

A number of Li-deficient MgO-doped LiNbO₃ (LN) crystals with different Li₂O contents ranging from 43.4 mol. % to 44.5 mol. % were prepared by carrying out the Li-poor vapor transport equilibration treatment on 5 mol. % (in growth melt) MgO-doped LN crystals. Unclamped electro-optic (EO) coefficients γ₁₃ and γ₃₃ of these crystals were measured by Mach-Zehnder interferometry. The results show that γ₁₃ (γ₃₃) increases linearly by ∼14% (11%) as the Li₂O content decreases from 44.5 mol. % of the as-grown state to 43.4 mol. % of the Li-deficient state. This feature is desired for the EO application of the Li-deficient MgO:LN crystal.