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Proceedings Paper

Polarisation dependence of the linear electro-optic coefficient in thermally-poled twin-hole silica fibre
Author(s): A. Michie; Ian Bassett; John Haywood
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Paper Abstract

The polarization dependence of the linear electro-optic coefficient (LEO) in thermally poled twin-hole silica fiber has been characterized by two separate interferometric methods and the results compared. Firstly the magnitudes of the individual LEO values for the two separate polarization states of the thermally poled twin-hole silica fiber were measured and the difference in the LEO values was calculated by subtraction. Secondly a direct measurement of the difference was made using an interferometric technique by monitoring the total retardance of the birefringent poled twin hole fiber section while applying various electric fields to the internal electrodes. The second method, which directly measures the differential LEO, has strong potential as an interferometric method for the measurement of electric fields. The intended application is the measurement of line voltage in high voltage electricity distribution and transmission systems.

Paper Details

Date Published: 9 June 2004
PDF: 4 pages
Proc. SPIE 5502, Second European Workshop on Optical Fibre Sensors, (9 June 2004); doi: 10.1117/12.566716
Show Author Affiliations
A. Michie, Univ. of Sydney (Australia)
Australia Photonics Cooperative Research Ctr. (Australia)
Ian Bassett, Univ. of Sydney (Australia)
Australia Photonics Cooperative Research Ctr. (Australia)
John Haywood, Univ. of Sydney (Australia)
Australia Photonics Cooperative Research Ctr. (Australia)


Published in SPIE Proceedings Vol. 5502:
Second European Workshop on Optical Fibre Sensors
Jose Miguel Lopez-Higuera; Brian Culshaw, Editor(s)

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