22 May 2014 Low drift and high resolution miniature optical fiber combined pressure- and temperature sensor for cardio-vascular and urodynamic applications
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Abstract
The all-glass optical fibre pressure and temperature sensor (OFPTS), present here is a combination of an extrinsic Fabry Perot Interferometer (EFPI) and an fiber Bragg gratings (FBG), which allows a simultaneously measurement of both pressure and temperature. Thermal effects experienced by the EFPI can be compensated by using the FBG. The sensor achieved a pressure measurement resolution of 0.1mmHg with a frame-rate of 100Hz and a low drift rate of < 1 mmHg/hour drift. The sensor has been evaluated using a cardiovascular simulator and additionally has been evaluated in-vivo in a urodynamics application under medical supervision.
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Sven Poeggel, Sven Poeggel, Daniele Tosi, Daniele Tosi, Dineshbabu Duraibabu, Dineshbabu Duraibabu, Simone Sannino, Simone Sannino, Laura Lupoli, Laura Lupoli, Juliet Ippolito, Juliet Ippolito, Fernando Fusco, Fernando Fusco, Vincenzo Mirone, Vincenzo Mirone, Gabriel Leen, Gabriel Leen, Elfed Lewis, Elfed Lewis, } "Low drift and high resolution miniature optical fiber combined pressure- and temperature sensor for cardio-vascular and urodynamic applications", Proc. SPIE 9107, Smart Biomedical and Physiological Sensor Technology XI, 910704 (22 May 2014); doi: 10.1117/12.2050156; https://doi.org/10.1117/12.2050156
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