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Spectroscopic characterization of holmium-doped optical fibers for fiber lasers
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SYSNO ASEP 0518809 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Spectroscopic characterization of holmium-doped optical fibers for fiber lasers Author(s) Kamrádek, Michal (URE-Y)
Aubrecht, Jan (URE-Y) RID
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 1102908 Source Title Proc. of SPIE, Micro-structured and Specialty Optical Fibres VI, 11029. - Bellingham : SPIE, 2019 / Kalli K. ; Mendez A. ; Peterka P. - ISSN 0277-786X - ISBN 978-1-5106-2725-3 Number of pages 6 s. Publication form Print - P Action Conference on Micro-Structured and Specialty Optical Fibres VI Event date 03.04.2019 - 04.04.2019 VEvent location Praha Country CZ - Czech Republic Event type WRD Language eng - English Country US - United States Keywords Fiber lasers ; Holmium ; 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 000502109500002 EID SCOPUS 85071988420 DOI 10.1117/12.2520880 Annotation We present the preparation and characterization of holmium-doped silica-based optical fibers for fiber lasers operating around two micrometers. The fibers were prepared by a modified chemical vapor deposition process and co-doped with aluminum oxide. Alumina was doped with the use of two different methods - solution doping and nanoparticle doping. Prepared optical preforms and fibers were characterized according to their optical, spectral and laser properties. It was observed that the doping by alumina nanoparticles improve a fluorescence lifetime and laser characteristics such as laser threshold and slope efficiency. The comparison of both doping methods is presented and results are discussed 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 2020
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