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Experimental observations of the threshold-like onset of mode instabilities in high power fiber amplifiers

Optics express, 2011-07, Vol.19 (14), p.13218-13224 [Peer Reviewed Journal]

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Title:
Experimental observations of the threshold-like onset of mode instabilities in high power fiber amplifiers
Author: Eidam, Tino ; Wirth, Christian ; Jauregui, Cesar ; Stutzki, Fabian ; Jansen, Florian ; Otto, Hans-Jürgen ; Schmidt, Oliver ; Schreiber, Thomas ; Limpert, Jens ; Tünnermann, Andreas
Subjects: Amplifiers, Electronic ; Computer-Aided Design ; Equipment Design ; Equipment Failure Analysis ; Fiber Optic Technology - instrumentation
Is Part Of: Optics express, 2011-07, Vol.19 (14), p.13218-13224
Description: We report on the observation and experimental characterization of a threshold-like onset of mode instabilities, i.e. an apparently random relative power content change of different transverse modes, occurring in originally single-mode high-power fiber amplifiers. Although the physical origin of this effect is not yet fully understood, we discuss possible explanations. Accordingly, several solutions are proposed in this paper to raise the threshold of this effect.
Publisher: United States
Language: English
Identifier: ISSN: 1094-4087
EISSN: 1094-4087
DOI: 10.1364/OE.19.013218
PMID: 21747477
Source: GFMER Free Medical Journals
MEDLINE
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