Spectroscopy and laser properties of Tm3+:KY(WO4)2 crystal

被引:59
作者
Troshin, A. E.
Kisel, V. E.
Yasukevich, A. S.
Kuleshov, N. V.
Pavlyuk, A. A.
Dunina, E. B.
Kornienko, A. A.
机构
[1] Belarus Natl Tech Univ, Inst Opt Mat & Technol, Minsk 220027, BELARUS
[2] Russian Acad Sci, Inst Organ Chem, Siberian Branch, Novosibirsk 630090, Russia
[3] Vitebsk State Technol Univ, Vitebsk 210035, BELARUS
来源
APPLIED PHYSICS B-LASERS AND OPTICS | 2007年 / 86卷 / 02期
关键词
D O I
10.1007/s00340-006-2448-y
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)(2)) crystal at room temperature were measured. The emission spectrum and lifetime of the F-3(4) excited state were determined. Using standard and modified Judd-Ofelt theories, the intensity parameters and the radiative lifetimes were calculated and good agreement with the experimental results was obtained for both theories. Continuous-wave laser operation in Tm:KYW crystal under laser diode pumping at 802 nm and 1750 nm was demonstrated with slope efficiency of 53% and 28% and output power of about 555 mW and 86 mW, respectively.
引用
收藏
页码:287 / 292
页数:6
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