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Proceedings Paper

Spectral properties of thulium doped optical fibers for fiber lasers around 2 micrometers
Author(s): M. Kamrádek; J. Aubrecht; P. Peterka; O. Podrazký; P. Honzátko; J. Cajzl; J. Mrázek; V. Kubeček; I. Kašik
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Paper Abstract

Silica optical fibers doped with rare-earth elements are key components of high-power fiber lasers operating in near-infrared region up to 2.1 μm. In this contribution we deal with preparation and optical characterization of silica-based optical preforms and fibers doped with thulium for fiber lasers operating around 2 μm. A set of fibers with thulium concentration ranges 1000-5000 ppm was prepared by the MCVD solution doping method and characterized. A decrease of fluorescence lifetime of thulium from 487 μs to 378 μs was observed with increasing rare-earth concentration in fiber core. This phenomenon can be explained by energy transfer between ions and ion clustering. Fabricated fibers were suitable for use in fiber lasers.

Paper Details

Date Published: 16 May 2017
PDF: 6 pages
Proc. SPIE 10232, Micro-structured and Specialty Optical Fibres V, 1023205 (16 May 2017); doi: 10.1117/12.2265697
Show Author Affiliations
M. Kamrádek, Institute of Photonics and Electronics of the ASCR, v.v.i. (Czech Republic)
Czech Technical Univ. in Prague (Czech Republic)
J. Aubrecht, Institute of Photonics and Electronics of the ASCR, v.v.i. (Czech Republic)
P. Peterka, Institute of Photonics and Electronics of the ASCR, v.v.i. (Czech Republic)
O. Podrazký, Institute of Photonics and Electronics of the ASCR, v.v.i. (Czech Republic)
P. Honzátko, Institute of Photonics and Electronics of the ASCR, v.v.i. (Czech Republic)
J. Cajzl, Institute of Photonics and Electronics of the ASCR, v.v.i. (Czech Republic)
J. Mrázek, Institute of Photonics and Electronics of the ASCR, v.v.i. (Czech Republic)
V. Kubeček, Czech Technical Univ. in Prague (Czech Republic)
I. Kašik, Institute of Photonics and Electronics of the ASCR, v.v.i. (Czech Republic)


Published in SPIE Proceedings Vol. 10232:
Micro-structured and Specialty Optical Fibres V
Kyriacos Kalli; Jiri Kanka; Alexis Mendez; Pavel Peterka, Editor(s)

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