Crystal growth, spectra and laser properties of Tm3+ and Ho3+ co-doped GdScO3 crystal

被引：0

作者：

Huang, Lei ^{[1
,2
,3
]}

Zhang, Junrui ^{[1
,2
,3
]}

Zhang, Qingli ^{[2
,3
]}

Sun, Guihua ^{[2
,3
]}

Dou, Renqin ^{[2
,3
]}

Wang, Xiaofei ^{[2
,3
]}

Zhang, Deming ^{[2
,3
]}

Gao, Jinyun ^{[2
,3
]}

Sun, Yu ^{[2
,3
]}

Liu, Wenpeng ^{[2
,3
]}

Luo, Jianqiao ^{[2
,3
]}

机构：

[1] Univ Sci & Technol China, Sch Environm Sci & Optoelect Technol, Hefei 230026, Peoples R China

[2] Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Hefei Inst Phys Sci, Anhui Prov Key Lab Photon Devices & Mat, Hefei 230031, Peoples R China

[3] Adv Laser Technol Lab Anhui Prov, Hefei 230037, Peoples R China

来源：

INFRARED PHYSICS & TECHNOLOGY | 2024年 / 143卷

基金：

中国国家自然科学基金;

关键词：

Laser; Tm; Ho:GdScO3; crystal; ABSORPTION LIDAR MEASUREMENTS; SPECTROSCOPIC PROPERTIES;

D O I：

10.1016/j.infrared.2024.105579

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Tm,Ho:GdScO3 single crystal was grown by the Czochralski method. Its quality and effective segregation coefficient of crystal were characterized, and spectral properties of crystal (1 0 0) plane were studied. The absorption cross-section of Tm,Ho:GdScO3 at 793 nm is 1.61 x 10(-20) cm(2) and emission cross-section at 2020 nm is 1.39 x 10(-20) cm(2). The laser performance of the crystal by 793 nm LD end-pumped was investigated. The maximum output power of 240 mW was obtained with a slope efficiency of 9.1 % in CW(continuous wave) pump mode. In pulse mode, the maximum average output power of 507 mW was achieved. The maximum slope efficiency of 13.7 % was obtained with 100 Hz and 400 mu s. The laser wavelength was 2096 nm. The beam quality factors M-x(2)/M-y(2) were fitted to be 1.81/1.80. These results indicate that Tm,Ho:GdScO3 crystal is a promising candidate medium for near-infrared laser application.

引用

页数：8

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