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30 May 2022 An all optical device for the measurement of esophageal pressure, bile and pH
Francesco Baldini, Francesco Chiavaioli, Giovanni Bartolozzi, Kerstin Schroeder, Tobias Habisreuther, Martin Hahn, Martin Satzke, Steffen Goerlich, Johannes Gäbler, Antonio Taddei, Paolo Cecchi, Dario Bovio
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Proceedings Volume PC12145, Biophotonics in Point-of-Care II; PC1214502 (2022) https://doi.org/10.1117/12.2624417
Event: SPIE Photonics Europe, 2022, Strasbourg, France
Abstract
Esophageal pressure, bile content and pH in the gastroesophageal apparatus are important parameters to be monitored in gastroesophageal diseases. An all-optical device was developed for their simultaneous measurement and utilizes a catheter where plastic optical fibres for the measurement of bile and pH and a glass fibre with FBGs for pressure monitoring are integrated. The interrogation device contains two different modules: one for the pressure monitoring based on the measurement of the wavelength shift of the grating peaks, and the other one for bile and pH measurement, based on absorption changes caused by the esophageal content.
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Francesco Baldini, Francesco Chiavaioli, Giovanni Bartolozzi, Kerstin Schroeder, Tobias Habisreuther, Martin Hahn, Martin Satzke, Steffen Goerlich, Johannes Gäbler, Antonio Taddei, Paolo Cecchi, and Dario Bovio "An all optical device for the measurement of esophageal pressure, bile and pH", Proc. SPIE PC12145, Biophotonics in Point-of-Care II, PC1214502 (30 May 2022); https://doi.org/10.1117/12.2624417
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KEYWORDS
Fiber Bragg gratings
Measurement devices
Glasses
Absorption
Polymer optical fibers
Optical fibers
Optoelectronic devices
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