Optical fibre measuring system

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United States of America Patent

PATENT NO 4974961
SERIAL NO

07094768

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Optical fiber measuring systems using an interferometer are disclosed. The measuring range of the system are extended by the use two wavelengths of radiation during the measurement. The phases of the light at each wavelength may be compared, or the radiation of one wavelength may be used to calibrate the radiation of the other wavelength.

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Patent Owner(s)

Patent OwnerAddress
COGENT LIMITED OF TEMPLE COURT A COMPANY OF GREAT BRITAIN AND NORTHERN IRELAND11 VICTORIA ST LONDON EC4N 4TP

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jackson, David A c/o The Physics Laboratory, University of Kent,, Canterbury, Kent, CT2 7NR,, GB2 94 2047
Leilabady, Pedram A c/o Ampthenal limited, 1925 Ohio St., Lisle, IL 60532 3 35
Meggitt, Beverley T c/o Research and Development Division, Sira Limited,, South Hill, Chislehurst, Kent BR7 5EH, GB2 1 11

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