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Ytterbium-doped Y2O3 nanoparticle silica optical fibers for high power fiber lasers with suppressed photodarkening

Yoo, S., Kalita, M.P., Boyland, A.J., Webb, A.S., Standish, R.J., Sahu, J.K., Paul, M.C., Das, S., Bhadra, S.K. and Pal, M. (2010) Ytterbium-doped Y2O3 nanoparticle silica optical fibers for high power fiber lasers with suppressed photodarkening Optics Communications, 283, (18), pp. 3423-3427.

Record type: Article

Abstract

We report efficient laser demonstration and spectroscopic characteristics of a Yb-doped Y2O3 (or Y3Al5O12) nanoparticle silica fiber developed by conventional fiber fabrication technique. The spectroscopy study evidences modification in the environment of Yb ions by the Y2O3 nanoparticles. As a result, photodarkening induced loss is reduced by 20 times relative to Yb-doped aluminosilicate fibers. The fiber is suitable for power scaling with good laser slope efficiency of 79%.

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More information

Published date: 15 August 2010
Keywords: optical fiber, fiber laser, fiber material, laser material, fiber fabrication, fiber characterization

Identifiers

Local EPrints ID: 178625
URI: http://eprints.soton.ac.uk/id/eprint/178625
ISSN: 0030-4018
PURE UUID: 33cb4968-6ade-4df2-833f-7cc7214a4acb

Catalogue record

Date deposited: 25 Mar 2011 09:49
Last modified: 04 Oct 2017 12:28

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Contributors

Author: S. Yoo
Author: M.P. Kalita
Author: A.J. Boyland
Author: A.S. Webb
Author: R.J. Standish
Author: J.K. Sahu
Author: M.C. Paul
Author: S. Das
Author: S.K. Bhadra
Author: M. Pal

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