Single longitudinal mode operation in diode-end-pumped wedge Nd:YVO4 laser

被引：3
|
作者：
Gao, Zhihong [1 ]
Feng, Qibo [1 ]
Zhang, Wenxi [2 ,3 ]
Kong, Xinxin [2 ]
Yan, Boxia [2 ]
Qi, Yan [2 ]
Wu, Zhou [2 ,3 ]
Li, Yang [2 ]
机构：
[1] Beijing Jiaotong Univ, Sch Sci, 3 Shangyuancun, Beijing 100044, Peoples R China
[2] Chinese Acad Sci, Acad Optoelect, 9 DengZhuang South Rd, Beijing 100094, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2018年 / 424卷
基金：
中国国家自然科学基金;
关键词：
Diode-end-pumped; Single longitudinal mode; The wedge Nd:YVO4 crystal; Multimode threshold; SOLID-STATE LASERS; PERFORMANCE; GENERATION;
D O I：
10.1016/j.optcom.2018.04.057
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Single longitudinal mode laser in a wedge Nd:YVO4 crystal with short absorption depth is reported. The influence of the wedge Nd:YVO4 crystal on single longitudinal mode operation is analyzed. Two types of Nd:YVO4 crystal with a wedge angle of 7 degrees and 10 degrees are utilized in a compact plane-concave resonator, respectively. By optimizing the cavity length, 518 mW and 343 mW of single-frequency output power at 1064 nm are obtained by pumping of 808 nm laser diode with an slope efficiency of 38.7% and 32.4% for 10 degrees and 7 degrees Nd:YVO4 crystal, respectively. For 2 at % Nd:YVO4 laser, the experimental and theoretical multimode threshold with a wedge crystal are higher than the theoretical multimode threshold with traditional cube crystal. It has been demonstrated successfully larger wedge angle Nd:YVO4 can enhance the performance of the single mode laser.
引用
收藏
页码：131 / 136
页数：6
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