Diode-pumped efficient laser operation and spectroscopy of Tm,Ho:YVO4

被引：19
|
作者：
Li, G. [1 ]
Yao, B. Q. [1 ]
Meng, P. B. [1 ]
Duan, X. M. [1 ]
Ju, Y. L. [1 ]
Wang, Y. Z. [1 ]
机构：
[1] Harbin Inst Technol, Natl Key Lab Tunable Laser Technol, Harbin 150001, Peoples R China
来源：
OPTICAL MATERIALS | 2011年 / 33卷 / 06期
关键词：
Tm; Ho:YVO4; crystal; Spectrum; Diode-pumped laser; TM; CRYSTALS; YVO4; GROWTH; END;
D O I：
10.1016/j.optmat.2010.11.014
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Spectroscopic characterization of co-doped Tm,Ho:YVO4 crystal grown by the Czochralski method has been performed including absorption spectrum, emitting spectrum and luminescence decay lifetime. The polarization emitting spectrum around 2 mu m is accomplished by exciting a singly Ho3+ doped YVO4 crystal to exclude the influence of Tm3+ F-3(4)-H-3(6) transition and the emission cross section is deduced from both Fuchtbauer-Ladenburg (F-L) equation and reciprocity method (RM). In addition, we report up to 10.4W continuous wave (CW) output with a conversion efficiency of 40% and 10.3 W Q.-Switch output with 12.5 kHz pulse repetition rate of diode-pumped cryogenic Tm,Ho:YVO4 laser. For Q-Switch operation, the minimum pulse width of 28.2 ns is obtained, all of which demonstrate that the Tm,Ho:YVO4 is excellent laser material for 2 mu m radiation. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：937 / 941
页数：5
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