$Optical fibre laser or fibre amplifier with refraction factor structure$

Optical fibre laser or fibre amplifier with refraction factor structure

The fiber laser includes a fiber core having a laser-active material, a light pump coating surrounding the core, and a coating surrounding the light pump coating. The fiber core is enclosed concentrically by the light pump coating which comprises a course of its refraction factor which is similar to...

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Bibliographische Detailangaben
Hauptverfasser:	KIRCHHOF, JOHANNES., 07743 JENA, DE, MUELLER, HANS-RAINER., 07743 JENA, DE, UNGER, SONJA., 07743 JENA, DE, TUENNERMANN, ANDREAS., 30177 HANNOVER, DE, ZELLMER, HOLGER., 30419 HANNOVER, DE, REICHEL, VOLKER., 07743 JENA, DE
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS DEVICES USING STIMULATED EMISSION ELECTRICITY
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	The fiber laser includes a fiber core having a laser-active material, a light pump coating surrounding the core, and a coating surrounding the light pump coating. The fiber core is enclosed concentrically by the light pump coating which comprises a course of its refraction factor which is similar to a parabola at least nearby the fiber core, preferably up to a distance of the 20-fold of the diameter of laser fiber core.