Efficient operation of a diode-pumped Yb:NaY(WO4)2 laser

被引：23
|
作者：
Xie, G. Q. [1 ,3 ]
Tang, D. Y. [1 ]
Zhang, H. J. [2 ]
Wang, J. Y. [2 ]
Qian, L. J. [3 ]
机构：
[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
[2] Shandong Univ, Natl Key Lab Crystal Mat, Jinan 250100, Peoples R China
[3] Fudan Univ, Dept Opt Sci & Engn, State Key Lab Adv Photon Mat & Devices, Res Facil Adv Mat, Shanghai 200433, Peoples R China
来源：
OPTICS EXPRESS | 2008年 / 16卷 / 03期
关键词：
D O I：
10.1364/OE.16.001686
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An efficient diode-pumped Yb:NaY(WO4)(2) (Yb:NYW) disordered crystal laser has been experimentally demonstrated for the fist time. The Yb:NYW crystal has a peak absorption cross section of 1.09x10-(20) cm(2) at 972 nm and emission cross section of 1.24x10-(20) x cm(2) at 1010 nm. Under an absorbed pump power of 11.7 W, the Yb: NYW laser generated an average output power as high as 4.1 W, with a slope efficiency of 45%. It was found that the laser always operated in a self-pulsing mode, and the laser spectrum showed random jumps with time. The mechanism of self-pulsing in the laser was also investigated.
引用
收藏
页码：1686 / 1691
页数：6
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