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Spectral properties of thulium doped optical fibers for fiber lasers around 2 micrometers
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SYSNO ASEP 0485721 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Spectral properties of thulium doped optical fibers for fiber lasers around 2 micrometers Author(s) Kamrádek, Michal (URE-Y)
Aubrecht, Ivo (URE-Y)
Peterka, Pavel (URE-Y) RID
Podrazký, Ondřej (URE-Y) RID
Honzátko, Pavel (URE-Y) RID
Cajzl, Jakub (URE-Y)
Mrázek, Jan (URE-Y) RID, ORCID
Kubeček, V. (CZ)
Kašík, Ivan (URE-Y) RIDNumber of authors 9 Article number 1023205 Source Title Proceedings of SPIE, Micro-structured and Specialty Optical Fibres V, (vol.10232). - Bellingham : SPIE, 2017 / Kali K. ; Kaňka J. ; Mendez A. - ISBN 978-1-5106-0965-5 Number of pages 6 s. Publication form Print - P Action Conference on Micro-Structured and Specialty Optical Fibres V Event date 26.04.2017 - 27.04.2017 VEvent location Prague Country CZ - Czech Republic Event type WRD Language eng - English Country US - United States Keywords thulium ; fiber lasers ; doped optical fibers Subject RIV BH - Optics, Masers, Lasers OECD category Optics (including laser optics and quantum optics) R&D Projects GA17-20049S GA ČR - Czech Science Foundation (CSF) Institutional support URE-Y - RVO:67985882 UT WOS 000406960900002 DOI 10.1117/12.2265697 Annotation Silica optical fibers doped with rare-earth elements are key components of high-power fiber lasers operating in nearinfrared region up to 2.1 mu m. 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 mu m. 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 mu s to 378 mu s 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 Workplace Institute of Radio Engineering and Electronics Contact Petr Vacek, vacek@ufe.cz, Tel.: 266 773 413, 266 773 438, 266 773 488 Year of Publishing 2018
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