Dopant Occupancy and UV-Vis-NIR Spectroscopy of Sc:Yb:Tm:LiNbO3 in the 300-3000 nm Wavelength Range

被引：7

作者：

Dai, Li ^{[1
]}

Wang, Yuning ^{[1
]}

Chen, Ruirun ^{[2
]}

Yang, Shunxiang ^{[1
]}

Han, Xianbo ^{[1
]}

Liu, Chunrui ^{[1
]}

Shao, Yu ^{[1
]}

机构：

[1] Harbin Univ Sci & Technol, Coll Sci, Harbin 150080, Peoples R China

[2] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Peoples R China

来源：

CRYSTAL RESEARCH AND TECHNOLOGY | 2020年 / 55卷 / 06期

关键词：

distribution coefficient; dopant occupancy; Sc; Yb; Tm; LiNbO3; crystals; UV-vis-NIR; GROWTH; ABSORPTION; CRYSTALS; FEATURES;

D O I：

10.1002/crat.201900176

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

A series of Sc:Yb:Tm:LiNbO3 crystals with variable Sc3+ (0, 1, 2, and 3 mol%) concentration are grown by the Czochralski method. The effective distribution coefficients of Sc3+, Yb3+, and Tm3+ ions in the Sc:Yb:Tm:LiNbO3 crystals are determined by inductively coupled plasma atomic emission spectrometer. Sc3+ ions distribute uniformly in crystals when Sc3+ concentration reaches up to 3 mol%. The influence of Sc3+ concentration on the dopant occupancy and defect structure of Sc:Yb:Tm:LiNbO3 crystals is investigated by IR transmission spectra. Threshold concentration of Sc3+ ions in Sc:Yb:Tm:LiNbO3 crystals is nearly 3 mol%. By analyzing UV-vis-NIR absorption spectra, absorption property of Sc:Yb:Tm:LiNbO3 crystals is improved by doping Sc3+ ions. Additionally, the Sc:Yb:Tm:LiNbO3 crystals can be pumped by commercially available high power AlGaAs LDs.

引用

页数：5

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