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Thulium-doped optical fibers for fiber lasers operating at around 2 mu m
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SYSNO ASEP 0518242 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Thulium-doped optical fibers for fiber lasers operating at around 2 mu m Author(s) Kašík, Ivan (URE-Y) RID
Kamrádek, Michal (URE-Y)
Aubrecht, Jan (URE-Y) RID
Peterka, Pavel (URE-Y) RID
Podrazký, Ondřej (URE-Y) RID
Cajzl, Jakub (URE-Y)
Mrázek, Jan (URE-Y) RID, ORCID
Honzátko, Pavel (URE-Y) RIDNumber of authors 8 Source Title Polish Academy of Sciences. Bulletin. Technical Sciences. - : Polska Akademia Nauk - ISSN 0239-7528
Roč. 67, č. 5 (2019), s. 981-986Number of pages 6 s. Publication form Print - P Language eng - English Country PL - Poland Keywords Fiber laser ; Aluminum oxide ; Nanoparticle doping ; Optical fiber 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) Method of publishing Open access Institutional support URE-Y - RVO:67985882 UT WOS 000493903900014 EID SCOPUS 85075521289 DOI 10.24425/bpasts.2019.130883 Annotation The paper deals with spectral and lasing characteristics of thulium-doped optical fibers fabricated by means of two doping techniques, i.e. via a conventional solution-doping method and via a nanoparticle-doping method. The difference in fabrication was the application of a suspension of aluminum oxide nanoparticles of defined size instead of a conventional chloride-containing solution. Samples of thulium-doped silica fibers having nearly identical chemical composition and waveguiding properties were fabricated. The sample fabricated by means of the nanoparticle-doping method exhibited longer lifetime, reflecting other observations and the trend already observed with the fibers doped with erbium and aluminum nanoparticles. The fiber fabricated by means of the nanoparticle-doping method exhibited a lower lasing threshold (by similar to 20%) and higher slope efficiency (by similar to 5% rel.). All these observed differences are not extensive and deserve more in-depth research, they may imply a positive influence of the nanoparticle approach on properties of rare-earth-doped fibers for 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 2020 Electronic address http://journals.pan.pl/dlibra/publication/130883/edition/114308/content
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