Temperature-Dependent Sellmeier Equations of IR Nonlinear Optical Crystal BaGa4Se7

被引：21

作者：

Zhai, Naixia ^{[1
,2
]}

Li, Chao ^{[1
,2
]}

Xu, Bo ^{[1
,2
]}

Bai, Lei ^{[1
]}

Yao, Jiyong ^{[1
]}

Zhang, Guochun ^{[1
]}

Hu, Zhanggui ^{[1
]}

Wu, Yicheng ^{[1
]}

机构：

[1] Chinese Acad Sci, Beijing Ctr Crystal Res & Dev, Tech Inst Phys & Chem, Key Lab Funct Crystals & Laser Technol, Beijing 100190, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

CRYSTALS | 2017年 / 7卷 / 03期

基金：

美国国家科学基金会;

关键词：

BaGa4Se7; nonlinear optical crystal; thermal refractive index coefficient; temperature-dependent Sellmeier equation; 2ND-HARMONIC GENERATION; ZNGEP2; LASER; POWER;

D O I：

10.3390/cryst7030062

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The thermal dependent principal refractive indices of a new promising IR nonlinear optical crystal BaGa4Se7 at wavelengths of 0.546, 0.5806, 0.644, 0.7065, 1.530, 1.970, and 2.325m were measured by using the vertical incidence method within the temperature range from 25 to 150 degrees C. We derived equations of thermal refractive index coefficients as a function of wavelength that could be used to calculate the principal thermal refractive indices at different wavelengths. The temperature-dependent Sellmeier equations were also obtained and used to calculate the phase matching angles for the optical parametric process of BaGa4Se7 crystal at different temperatures.

引用

页数：7

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