980-nm random fiber laser directly pumped by a high-power 938-nm laser diode

被引:1
作者
Babin, Sergey A. [1 ]
Dontsova, Ekaterina I. [1 ]
Kablukov, Sergey I. [1 ]
机构
[1] Russian Acad Sci, Siberian Branch, Inst Automat & Electrometry, Novosibirsk 630090, Russia
来源
FIBER LASERS XI: TECHNOLOGY, SYSTEMS, AND APPLICATIONS | 2014年 / 8961卷
关键词
fiber lasers; scattering; random distributed feedback; direct pumping; DISTRIBUTED-FEEDBACK; RAMAN FIBER; SCATTERING;
D O I
10.1117/12.2039192
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A random lasing based on Rayleigh scattering in a passive fiber directly pumped by a high-power laser diode (LD) has been demonstrated. Owing to the random distributed feedback (RDFB) the low-quality LD beam (938 nm) is converted into the high-quality laser output (980 nm). Because of the relatively low excess above the threshold with the available LD, the RDFB laser output is limited in power on 0.5 W level. In the used gradient-index (GRIN) fiber the output beam has 4.5 lower divergence as compared with the pump beam thus demonstrating a new approach for high-power fiber lasers with high-quality output.
引用
收藏
页数:6
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