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Optical amplifiers and lasers in infrared fibres

Brady, D., Fagan, N., Harwood, D.W.J., Hesford, M.J., Hewak, Daniel, Hudson, B., Moore, R.C., Payne, David, Schweizer, T., Taylor, E.R., Tucknott, J.A., Voyce, C.J., Weatherby, E. and West, Y.D. (1999) Optical amplifiers and lasers in infrared fibres In Infrared Optical Fibers and Their Applications. The International Society for Optical Engineering., pp. 85-92. (doi:10.1117/12.372803).

Record type: Conference or Workshop Item (Paper)

Abstract

We are currently investigating two infrared glasses for active applications. Gallium lanthanum sulphide (GLS) glass is investigated as a potential host material for rare-earth doped mid-infrared fibre lasers. We have fabricated gallium lanthanum sulphide glass by melt quenching and drawn into fibres using the rod-in-tube technique. Fluoroaluminate glasses (ALF) are being prepared in planar form by spin coating and clad waveguides have been achieved. The quality of waveguides from both these materials is gradually being improved as methods to eliminate transitions metals and other impurities, understand crystallization and reduce imperfections at the core/clad interface are developed. Although initially motivated by the demand for a practical 1310nm amplifier, interest has now extended further into the infrared. We describe recent progress in these glasses, their properties and applications.

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Published date: 1999
Venue - Dates: Infrared Optical Fibres and Their Applications, United States, 1999-09-21 - 1999-09-22

Identifiers

Local EPrints ID: 76505
URI: http://eprints.soton.ac.uk/id/eprint/76505
PURE UUID: c9a9ba0b-9e0a-4bfa-bdcc-3cd3cac99ae3
ORCID for Daniel Hewak: ORCID iD orcid.org/0000-0002-2093-5773

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Date deposited: 11 Mar 2010
Last modified: 27 Jul 2017 16:30

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Contributors

Author: D. Brady
Author: N. Fagan
Author: D.W.J. Harwood
Author: M.J. Hesford
Author: Daniel Hewak ORCID iD
Author: B. Hudson
Author: R.C. Moore
Author: David Payne
Author: T. Schweizer
Author: E.R. Taylor
Author: J.A. Tucknott
Author: C.J. Voyce
Author: E. Weatherby
Author: Y.D. West

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