Optical sensor for determining changes in a dimension and/or a temperature of an object

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United States of America Patent

PATENT NO 5009505
SERIAL NO

07372626

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A sensor comprises a resonator loop formed of polarization-maintaining, high birefringent optical fibre. Changes in the optical path lengths of each of the 'fast' and 'slow' optical paths in the loop are measured and processed to determine the strain and temperature change experienced by said fibre loop.

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Patent Owner(s)

Patent OwnerAddress
BRITISH AEROSPACE PUBLIC LIMITED COMPANYFARNBOROUGH AEROSPACE CENTRE WARWICK HOUSE P O BOX 87 PARK EAST FARNBOROUGH HANTS GU14 6YU

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Malvern, Alan R Bracknell, GB 17 230

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