60-W 946-nm cryogenically-cooled Nd:YAG laser

被引:8
|
作者
Cante, S. [1 ]
Valle, S. [1 ]
Yoon, S. J. [1 ]
Mackenzie, J. I. [1 ]
机构
[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England
来源
APPLIED PHYSICS B-LASERS AND OPTICS | 2019年 / 125卷 / 07期
基金
英国工程与自然科学研究理事会;
关键词
TRANSFER UP-CONVERSION; SOLID-STATE LASERS; POWER; WAVE; OPERATION; CW;
D O I
10.1007/s00340-019-7244-6
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Detailed spectroscopic characterisation of the 4I9/24F3/2 absorption cross section of Nd:YAG at temperatures ranging from room temperature to liquid nitrogen temperature is reported. Exploiting this in-band pumping scheme, a novel volume-Bragg-grating-locked diode-laser array (DLA) operating at 869 nm was developed to end-pump a cryogenically cooled Nd:YAG crystal. As a result, the first 60-W cryogenically-cooled Nd:YAG laser operating at 946nm is demonstrated with a slope, and optical-to-optical, efficiency of 52%.
引用
收藏
页数:6
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