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Degradation-resistant lasing at 980 nm in a Yb/Ce/Al-doped silica fiber
RISE, Swedish ICT, Acreo.
2010 (English)In: Journal of the Optical Society of America. B, Optical physics, ISSN 0740-3224, E-ISSN 1520-8540, Vol. 27, no 2, p. 338-42Article in journal (Refereed) Published
Abstract [en]

n this work we measure how photodarkening affects the optical efficiency for three different Yb/Al -doped silica fibers operating at 980€‰nm , one of which is codoped with cerium. A volume Bragg grating is used for linewidth control added rejection of amplified spontaneous emission. Several hours of degradation-resistant operation is obtained with the Ce-codoped fiber, while for the Yb/Al doped fibers a large drop in efficiency is observed within the first hour of operation. Our results show that Yb/Ce/Al -doped fibers could be excellent candidates for high-power 980€‰nm fiber laser sources._x000D_

Place, publisher, year, edition, pages
2010. Vol. 27, no 2, p. 338-42
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Computer and Information Sciences
Identifiers
URN: urn:nbn:se:ri:diva-32092DOI: 10.1364/JOSAB.27.000338OAI: oai:DiVA.org:ri-32092DiVA, id: diva2:1151951
Available from: 2017-10-24 Created: 2017-10-24 Last updated: 2018-01-13Bibliographically approved

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