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Effects of high temperature and pressure on silica optical fibres and the implications on optical fibre sensors

Effects of high temperature and pressure on silica optical fibres and the implications on optical fibre sensors
Effects of high temperature and pressure on silica optical fibres and the implications on optical fibre sensors
We report on the observed effects of liquids at high temperature and pressure on silica optical fibres, sensors and gratings. We propose that the diffusion of molecules into the silica and the resultant expansion of the network are responsible for observed fibre expansions of up to 0.2% and Bragg wavelength increases of 2nm at 1525nm. A developmental solution in the form of amorphous carbon hermetic coatings has shown a reduction of these effects by an order of magnitude at 300°C.
Clowes, J.R.
e0038fc5-6a30-4f9f-8d50-82a14ec94a0d
McInnes, J.
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Zervas, M.N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Payne, D.N.
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Clowes, J.R.
e0038fc5-6a30-4f9f-8d50-82a14ec94a0d
McInnes, J.
006092d0-4568-407c-98d6-69527de7a3f5
Zervas, M.N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Payne, D.N.
4f592b24-707f-456e-b2c6-8a6f750e296d

Clowes, J.R., McInnes, J., Zervas, M.N. and Payne, D.N. (1997) Effects of high temperature and pressure on silica optical fibres and the implications on optical fibre sensors. 12th International Conference on Optical Fibre Sensors, Williamsburg, United States. 28 - 31 Oct 1997.

Record type: Conference or Workshop Item (Paper)

Abstract

We report on the observed effects of liquids at high temperature and pressure on silica optical fibres, sensors and gratings. We propose that the diffusion of molecules into the silica and the resultant expansion of the network are responsible for observed fibre expansions of up to 0.2% and Bragg wavelength increases of 2nm at 1525nm. A developmental solution in the form of amorphous carbon hermetic coatings has shown a reduction of these effects by an order of magnitude at 300°C.

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Published date: October 1997
Venue - Dates: 12th International Conference on Optical Fibre Sensors, Williamsburg, United States, 1997-10-28 - 1997-10-31

Identifiers

Local EPrints ID: 76725
URI: http://eprints.soton.ac.uk/id/eprint/76725
PURE UUID: 26f7b11d-f469-490f-bb85-111cd011526d
ORCID for M.N. Zervas: ORCID iD orcid.org/0000-0002-0651-4059

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Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 02:35

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Contributors

Author: J.R. Clowes
Author: J. McInnes
Author: M.N. Zervas ORCID iD
Author: D.N. Payne

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