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IR-induced photodarkening in Tm-doped fluoride fibres

Barber, P.R., Paschotta, R., Tropper, A.C. and Hanna, D.C. (1995) IR-induced photodarkening in Tm-doped fluoride fibres Optics Letters, 20, (21), pp. 2195-2197. (doi:10.1364/OL.20.002195).

Record type: Article

Abstract

We have observed a new type of infrared-induced photodarkening in high-numerical-aperture fluoride fibers doped with 3000 and 10,000 parts in 10^6 by weight of Tm. The loss induced in the visible region by 1140-nm radiation is very strong (as high as 25 dB in a 50-cm piece) and broadband it can be removed by irradiation with the same pump wavelength at lower powers.

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Published date: 1995

Identifiers

Local EPrints ID: 78381
URI: http://eprints.soton.ac.uk/id/eprint/78381
ISSN: 0146-9592
PURE UUID: b30b3e17-2ad3-4399-87d0-7a44a6c31436

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:24

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Contributors

Author: P.R. Barber
Author: R. Paschotta
Author: A.C. Tropper
Author: D.C. Hanna

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