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Fiber-optical high-resolution esophagus manometry based on drawing-tower fiber Bragg gratings

Martin Becker,Manfred Rothhardt,Kerstin Schröder,Hartmut Bartelt,Sebastian Voigt,Andreas Teubner+2 more-2010-11-03
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TL;DRAbstract

One application of Fiber Bragg grating-based fiber sensors is their implementation as a distributed pressure sensing catheter for time-space display of swallow waves in the human esophagus. Our plan is to essentially improve the measurement procedure with a feasibility model comprising 30 fiber-optic pressure sensors in a single fiber, spaced less than 10 mm from each other. A well-designed soft plastic coating mantle, which is affected by local pressure, will be used to convert pressure variations into strain variations of the optical fiber core.

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One application of Fiber Bragg grating-based fiber sensors is their implementation as a distributed pressure sensing catheter for time-space display of swallow waves in the human esophagus. Our plan is to essentially improve the measurement procedure with a feasibility model comprising 30 fiber-optic pressure sensors in a single fiber, spaced less than 10 mm from each other. A well-designed soft plastic coating mantle, which is affected by local pressure, will be used to convert pressure variations into strain variations of the optical fiber core.

Keywords

Fiber Bragg gratingMaterials scienceOpticsOptical fiberPHOSFOSPhotonic-crystal fiberFiber optic sensorPlastic optical fiber

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