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

页数：6

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