Location of buried optical service cables using a remote EM-wave to modulate the polarisation state of guided light via the Faraday effect
Location of buried optical service cables using a remote EM-wave to modulate the polarisation state of guided light via the Faraday effect
This paper presents the first results and theoretical examination of a method to locate the position of buried optical cables. A traveling EM-wave (RF), generated from above ground, modulates the state of polarization of the light guided by the fiber to be located. The magnitude and phase of this modulation are detected at the end of the fiber route and the results relayed to the operator. By observing the amplitude of this modulation the lateral position of the buried service can be determined. We have demonstrated 18dB signal/noise ratio, at a buried depth of 1.5m, in wet clay soil, using a radiated RF power of 38W at 144MHz.
Russell, S.J.
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Lewis, A.B.
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Clarke, R.J.
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Fleury, B.R.
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Dakin, J.P.
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Russell, S.J.
926d527c-ff5d-4d35-99d9-9366bcd2bb10
Lewis, A.B.
07b928f0-931f-44ec-8788-18f09ed6ba36
Clarke, R.J.
13bafe73-355f-4549-a5e0-ab0006373597
Fleury, B.R.
77313f31-bd39-41c1-9e13-3e62ad8e1c0a
Dakin, J.P.
04891b9b-5fb5-4245-879e-9e7361adf904
Russell, S.J., Lewis, A.B., Clarke, R.J., Fleury, B.R. and Dakin, J.P.
(2003)
Location of buried optical service cables using a remote EM-wave to modulate the polarisation state of guided light via the Faraday effect.
16th International Conference on Optical Fiber Sensors (OFS16), , Nara, Japan.
13 - 17 Oct 2003.
4 pp
.
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Conference or Workshop Item
(Paper)
Abstract
This paper presents the first results and theoretical examination of a method to locate the position of buried optical cables. A traveling EM-wave (RF), generated from above ground, modulates the state of polarization of the light guided by the fiber to be located. The magnitude and phase of this modulation are detected at the end of the fiber route and the results relayed to the operator. By observing the amplitude of this modulation the lateral position of the buried service can be determined. We have demonstrated 18dB signal/noise ratio, at a buried depth of 1.5m, in wet clay soil, using a radiated RF power of 38W at 144MHz.
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e-pub ahead of print date: 2003
Venue - Dates:
16th International Conference on Optical Fiber Sensors (OFS16), , Nara, Japan, 2003-10-13 - 2003-10-17
Identifiers
Local EPrints ID: 41566
URI: http://eprints.soton.ac.uk/id/eprint/41566
PURE UUID: cd7c9431-ff60-40e0-933d-8fbb15f07f44
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Date deposited: 03 Oct 2006
Last modified: 15 Mar 2024 08:31
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Contributors
Author:
S.J. Russell
Author:
A.B. Lewis
Author:
R.J. Clarke
Author:
B.R. Fleury
Author:
J.P. Dakin
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