Optical fiber feedthrough incorporating fiber bragg grating
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United States of America Patent
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Sep 18, 2018
Grant Date -
Aug 4, 2016
app pub date -
Aug 9, 2013
filing date -
Aug 9, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
Methods and systems for effectively sealing a fiber optic line to a pressure gauge device are disclosed. A pressure gauge device has an outer body, a reference volume within the outer body and a pressure sensor having a first side and a second side. The first side of the pressure sensor is exposed to a pressure inlet and the second side of the pressure sensor is exposed to the reference volume. A fiber optic line is coupled to the pressure gauge device using a feedthrough device. The fiber optic line comprises a first fiber optic line portion located within the feedthrough device, a second fiber optic line portion located within the reference volume and a third fiber optic line portion located within a cable located outside the pressure gauge device and coupled to the feed through device. The first fiber optic line portion comprises a first Fiber Bragg Grating (“FBG”).
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