Fiber optic interferometric thermometer
First Claim
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1. Fiber optic temperature measuring devise comprising, a single optic fiber for the input of light to a first leg of a divided interferometer, an optical fiber sensor in said first leg of the divided interferometer, and an interferometer means remote from the sensor to receive light from the said single optical fiber, said interferometer means coupled and matched in length to said optical fiber sensor.
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Abstract
A single fiber optic optical sensor in one segment of a divided interferometer and a remote demodulation interferometer segment associated therewith.
34 Citations
4 Claims
- 1. Fiber optic temperature measuring devise comprising, a single optic fiber for the input of light to a first leg of a divided interferometer, an optical fiber sensor in said first leg of the divided interferometer, and an interferometer means remote from the sensor to receive light from the said single optical fiber, said interferometer means coupled and matched in length to said optical fiber sensor.
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Current AssigneeOptical Technologies Corporation
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Original AssigneeOptical Technologies Corporation
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InventorsDavis, Charles M.
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Primary Examiner(s)Nelms, David C.
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Assistant Examiner(s)Messinger, Michael
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Application NumberUS07/148,582Time in Patent Office602 DaysField of Search356/345, 356/358, 356/352, 356/349, 356/351, 250/227, 374/161, 374/162US Class Current250/227.27CPC Class CodesG01K 1/026 arrangements for monitoring...G01K 11/32 using changes in transmitta...G01K 5/52 with electrical conversion ...
