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Strong excited state absorption (ESA) in Yb-doped fiber lasers
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.ORCID iD: 0000-0003-1967-4016
2013 (English)In: FIBER LASERS X: TECHNOLOGY, SYSTEMS, AND APPLICATIONS, SPIE - International Society for Optical Engineering, 2013, Art. no. 86010P- p.Conference paper, Published paper (Refereed)
Abstract [en]

Excited state absorption (ESA) measurements performed on Yb-doped silica bers show the onset of a strong absorption band in the visible range. In this work, we perform experiments to investigate the possibility for ESA to be part of the induced optical losses (photodarkening) observed in Yb-doped ber lasers. Our results indicate that an ESA process, from the 2F5/2 excited state manifold in the Yb3+ ion to the charge-transfer state with absorption bands in the UV range, may constitute a transfer route for pump- and laser photons in the near-infrared range. © 2013 Copyright SPIE.

Place, publisher, year, edition, pages
SPIE - International Society for Optical Engineering, 2013. Art. no. 86010P- p.
Series
Proceedings of SPIE, ISSN 0277-786X ; 8601
Keyword [en]
charge transfer, color center, excited state absorption, fiber laser, photodarkening, Ytterbium
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:miun:diva-19363DOI: 10.1117/12.2002957ISI: 000325162800015Scopus ID: 2-s2.0-84878168453Local ID: STCISBN: 978-0-8194-9370-5 (print)OAI: oai:DiVA.org:miun-19363DiVA: diva2:643148
Conference
Fiber Lasers X: Technology, Systems, and Applications; San Francisco, CA; United States; 4 February 2013 through 7 February 2013; Code 97120
Available from: 2013-08-26 Created: 2013-06-19 Last updated: 2016-10-19Bibliographically approved

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Engholm, MagnusRydberg, SaraHammarling, Krister
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CiteExportLink to record
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Citation style
  • apa
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