Deep-ultraviolet nonlinear optical crystal NaBe2BO3F2-Structure, growth and optical properties

被引：15

作者：

Guo, Shu ^{[1
]}

Kang, Lei ^{[1
]}

Liu, Lijuan ^{[1
]}

Xia, Mingjun ^{[1
]}

Lin, Zheshuai ^{[1
]}

Huang, Qian ^{[3
]}

Hou, Zhanyu ^{[1
,2
]}

Tang, Changcheng ^{[1
,2
]}

Wang, Xiaoyang ^{[1
]}

Chen, Chuangtian ^{[1
]}

机构：

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

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

[3] Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China

来源：

JOURNAL OF CRYSTAL GROWTH | 2019年 / 518卷

基金：

中国国家自然科学基金;

关键词：

Crystal structure; Growth from high temperature solutions; Borates; Nonlinear optical crystal; KBBF FAMILY; BERYLLIUM; RB; KBE2BO3F2; PHASE; GAP; NA; CL;

D O I：

10.1016/j.jcrysgro.2019.04.028

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The deep-ultraviolet (deep-UV) nonlinear optical (NLO) crystal NaBe2BO3F2 (NBBF) is grown by the spontaneous nucleation method with the dimensions up to 20 x 20 x 1.5 mm(3). The crystal structure was determined using single-crystal x-ray diffraction analysis and its space group was defined as C2, which belongs to the biaxial class. The optical properties including the transmittance and the NLO coefficients were first determined. The band structure and density of states of NBBF were also calculated. Based on the calculated refractive indices, the Sellmeier equations were fitted to evaluate its ability for deep-UV laser generation. Our results suggest that NBBF is a viable deep-UV NLO crystal.

引用

页码：45 / 50

页数：6

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