The University of Southampton
University of Southampton Institutional Repository

Photosensitivity in Ce3+-doped optical fibres

Photosensitivity in Ce3+-doped optical fibres
Photosensitivity in Ce3+-doped optical fibres
A UV-induced absorption change has been studied in Ce3+-doped preforms and fibers made by a solution-doping modified-chemical-vapor-deposition technique. A reduction in the Ce3+- concentration and the creation of a broad absorption band extending from the UV to the IR were seen on UV exposure. In addition, a peak in the absorption band is created at 245 nm, attributed to Ce4+. The reduction in Ce3+- concentration was observed to remain for at least 3 months, whereas the created broad absorption bands at 632.8 nm recovered by 90% in 2h. Large UV-induced refractive-index changes (10-4) in Ce3+-doped fibers are also demonstrated. A linear dependence on the average UV intensity is found below 4 kW/m2, above which saturation occurs. The index change also increases with increasing Ce3+ concentration, again saturating at high levels. A decrease in magnitude with increasing wavelength is observed, but the index change at 1.33µm is still more than 50% of that at 0.5µm, demonstrating the potential of the technique for producing gratings with optical communication applications.
0740-3224
89-93
Dong, L.
4a30a247-d676-42ef-aaf4-061579d6d64e
Wells, P.J.
2177ced9-6ea6-4bf6-af53-8df558df8107
Hand, D.P.
a08ad5b2-7543-4a99-a1d2-e14934ee0faf
Payne, D.N.
4f592b24-707f-456e-b2c6-8a6f750e296d
Dong, L.
4a30a247-d676-42ef-aaf4-061579d6d64e
Wells, P.J.
2177ced9-6ea6-4bf6-af53-8df558df8107
Hand, D.P.
a08ad5b2-7543-4a99-a1d2-e14934ee0faf
Payne, D.N.
4f592b24-707f-456e-b2c6-8a6f750e296d

Dong, L., Wells, P.J., Hand, D.P. and Payne, D.N. (1993) Photosensitivity in Ce3+-doped optical fibres. Journal of the Optical Society of America B, 10 (1), 89-93. (doi:10.1364/JOSAB.10.000089).

Record type: Article

Abstract

A UV-induced absorption change has been studied in Ce3+-doped preforms and fibers made by a solution-doping modified-chemical-vapor-deposition technique. A reduction in the Ce3+- concentration and the creation of a broad absorption band extending from the UV to the IR were seen on UV exposure. In addition, a peak in the absorption band is created at 245 nm, attributed to Ce4+. The reduction in Ce3+- concentration was observed to remain for at least 3 months, whereas the created broad absorption bands at 632.8 nm recovered by 90% in 2h. Large UV-induced refractive-index changes (10-4) in Ce3+-doped fibers are also demonstrated. A linear dependence on the average UV intensity is found below 4 kW/m2, above which saturation occurs. The index change also increases with increasing Ce3+ concentration, again saturating at high levels. A decrease in magnitude with increasing wavelength is observed, but the index change at 1.33µm is still more than 50% of that at 0.5µm, demonstrating the potential of the technique for producing gratings with optical communication applications.

Text
641
Download (397kB)

More information

Published date: 1993

Identifiers

Local EPrints ID: 78314
URI: http://eprints.soton.ac.uk/id/eprint/78314
ISSN: 0740-3224
PURE UUID: 83c37516-73b8-4edd-9253-40e89044a2e2

Catalogue record

Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 00:11

Export record

Altmetrics

Contributors

Author: L. Dong
Author: P.J. Wells
Author: D.P. Hand
Author: D.N. Payne

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton: eprints@soton.ac.uk

ePrints Soton supports OAI 2.0 with a base URL of http://eprints.soton.ac.uk/cgi/oai2

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.

×