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5 October 2009 Fiber Bragg grating arrays for high resolution manometry
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Proceedings Volume 7503, 20th International Conference on Optical Fibre Sensors; 75037A (2009) https://doi.org/10.1117/12.835404
Event: 20th International Conference on Optical Fibre Sensors, 2009, Edinburgh, United Kingdom
Abstract
We demonstrate the application of a fiber Bragg grating based sensor system as a distributed pressure sensing catheter for the human esophagus. It allows space-time resolved measurements of the peristaltic waves of the gullet. The sensor system comprises 30 fiber-optic pressure sensors in a single fiber with a spatial distance below 10 mm each. The sensors are fiber Bragg gratings that are manufactured during the drawing process of the fiber and therefore show enhanced mechanical stability compared to fiber Bragg gratings with local recoating. A well designed soft plastic coating wand will be used to convert local pressure variations into strain variations of the optical fiber core.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Martin Becker, Manfred Rothhardt, Sebastian Voigt, Andreas Teubner, Thomas Lüpke, Christoph Thieroff, Christoph Chojetzki, and Hartmut Bartelt "Fiber Bragg grating arrays for high resolution manometry", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75037A (5 October 2009); https://doi.org/10.1117/12.835404
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