Highly efficient continuous-wave Nd:YAG ceramic lasers at 946 nm

被引：16
|
作者：
Zhu, H. Y. [2 ]
Xu, C. W. [3 ]
Zhang, J. [1 ]
Tang, D. Y. [3 ]
Luo, D. W. [3 ]
Duan, Y. M. [2 ,3 ]
机构：
[1] Jiangsu Normal Univ, Sch Phys & Elect Engn, Xuzhou 221116, Peoples R China
[2] Wenzhou Univ, Coll Phys & Elect Informat, Wenzhou 325035, Peoples R China
[3] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
来源：
LASER PHYSICS LETTERS | 2013年 / 10卷 / 07期
基金：
美国国家科学基金会; 中国国家自然科学基金; 新加坡国家研究基金会;
关键词：
ND-YAG LASER; NDGDVO4; LASER; CW-OPERATION; POWER;
D O I：
10.1088/1612-2011/10/7/075802
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Highly efficient CW operation of diode-end-pumped Nd:YAG ceramic lasers at 946 nm is experimentally demonstrated. When a 5 mm long in-house fabricated Nd:YAG ceramic was used as the gain medium, a maximum output power of 10.5 W was obtained under an incident pump power of 35 W, corresponding to an optical conversion efficiency of 30%, while, when a 3 mm long ceramic sample was used, a maximum output power of 8.7 W was generated with a slope efficiency of 65% with respect to the absorbed pump power. Both the optical conversion efficiency and slope efficiency are the highest results reported so far for the diode-pumped 946 nm lasers.
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页数：4
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