Recent progress in the understanding of mode instabilities

被引：7

作者：

Jauregui, Cesar ^{[1
]}

Otto, Hans-Juergen ^{[1
]}

Modsching, Norbert ^{[1
]}

Limpert, Jens ^{[1
,2
]}

Tuennermann, Andreas ^{[1
,2
,3
]}

机构：

[1] Univ Jena, Abbe Ctr Photon, Inst Appl Phys, D-07745 Jena, Germany

[2] Helmholtz Inst Jena, D-07743 Jena, Germany

[3] Fraunhofer Inst Appl Opt & Precis Engn, D-07745 Jena, Germany

来源：

FIBER LASERS XII: TECHNOLOGY, SYSTEMS, AND APPLICATIONS | 2015年 / 9344卷

关键词：

Times Roman; image area; acronyms; references; POWER FIBER AMPLIFIERS; YB-DOPED FIBERS; LASER SYSTEMS; ORIGIN;

D O I：

10.1117/12.2086843

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：

In this work the latest progress in the understanding of mode instabilities is reviewed. Particular emphasis is put on the recently established influence of photodarkening on the mode instability threshold and its behavior. It is shown, for example, that even degradations of the output power in the order of a few percent can lead to very significant reductions of the mode instability threshold. Moreover, our analysis shows that photodarkening also alters the expected behavior of the mode instability threshold with respect to the signal wavelength and the seed power. Thus photodarkening is revealed as one of the main effects shaping the behavior of the mode instability threshold observed in experiments.

引用

页数：6

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