Measurement of the electro-optic coefficient of a BaMgF4 single crystal

被引：1
作者：
Wang, Zhuo [1 ,2 ]
Dai, Hailang [1 ,2 ]
Zheng, Yuanlin [1 ,2 ]
Chen, Xianfeng [1 ,2 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Phys & Astron, State Key Lab Adv Opt Commun Syst & Networks, Shanghai 200240, Peoples R China
[2] Shanghai Jiao Tong Univ, Collaborat Innovat Ctr IFSA CICIFSA, Minist Educ, Key Lab Laser Plasma, Shanghai 200240, Peoples R China
来源：
OPTICAL MATERIALS EXPRESS | 2017年 / 7卷 / 02期
基金：
中国国家自然科学基金;
关键词：
OPTICAL WAVE-GUIDE; DEEP-ULTRAVIOLET; FREQUENCY-CONVERSION; KBBF CRYSTAL; LINBO3; GENERATION; GROWTH; FILM; KBE2BO3F2; MODULATOR;
D O I：
10.1364/OME.7.000360
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
BaMgF4 single crystal is a promising candidate for many applications in the vacuum ultraviolet region. The electro-optic coefficient of BaMgF4 single crystal is measured by means of a symmetric metal-cladding waveguide, in which the effect refractive index is very sensitive to the change of the refractive index of the guiding layer. The resonance excitation angle shifts as the applied electric filed on the waveguide changes. Subsequently, the electro-optic coefficient gamma(13) = -36 : 2 pm/V of BaMgF4 single crystal is determined by measuring the variations of effective refractive index of the waveguide with different applied voltages. This considerable EO coefficient |gamma(13)| is even larger than the largest one of LiNbO3 (gamma(51) = 32 : 6 pm/V) which offers an opportunity for the fabrication of vacuum ultraviolet electro-optic modulators and optical switches by BaMgF4 single crystal. (C) 2017 Optical Society of America
引用
收藏
页码：360 / 365
页数：6
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