Low drift and high resolution miniature optical fiber combined pressure- and temperature sensor for cardio-vascular and other medical applications

Sven Poeggel, Daniele Tosi, Gabriel Leen, Elfed Lewis

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Citations (Scopus)

Abstract

A fiber optic Extrinsic Fabry-Perot Interferometer (EFPI) including an internal fully integrated Fibre Bragg Grating (FBG) for application in cardiovascular pressure detection is presented. The combination of EFPI and FBG sensing elements allows the measurement of temperature and pressure at the same time, as well as the compensation of cross-effects. This sensor is entirely fabricated of quartz glass and is a result of a novel design and fabrication process. The sensor was tested in simulated in-vivo biomedical pressure devices, i.e. a cardiovascular pressure simulator that replicates human pressure patterns related to heartbeat. A resolution of 0.1mmHg and a drift of <1mmHg in over 1hour at a frequency of 50Hz was achieved. Tests were performed at the Polymer Core Center, within Cleveland Clinic (Ohio, USA). The small sensor overall diameter of 200μη allows in-vivo application for temperature-compensated pressure detection of aortic, arterial and ventricular pressure patterns.

Original languageEnglish
Title of host publicationIEEE SENSORS 2013 - Proceedings
DOIs
Publication statusPublished - 2013
Externally publishedYes
Event12th IEEE SENSORS 2013 Conference - Baltimore, MD, United States
Duration: Nov 4 2013Nov 6 2013

Other

Other12th IEEE SENSORS 2013 Conference
CountryUnited States
CityBaltimore, MD
Period11/4/1311/6/13

Fingerprint

Medical applications
Pressure sensors
Temperature sensors
Optical fibers
Fabry-Perot interferometers
Fiber Bragg gratings
Sensors
Fiber optics
Quartz
Simulators
Fabrication
Glass
Temperature
Polymers

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Low drift and high resolution miniature optical fiber combined pressure- and temperature sensor for cardio-vascular and other medical applications. / Poeggel, Sven; Tosi, Daniele; Leen, Gabriel; Lewis, Elfed.

IEEE SENSORS 2013 - Proceedings. 2013. 6688223.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Poeggel, S, Tosi, D, Leen, G & Lewis, E 2013, Low drift and high resolution miniature optical fiber combined pressure- and temperature sensor for cardio-vascular and other medical applications. in IEEE SENSORS 2013 - Proceedings., 6688223, 12th IEEE SENSORS 2013 Conference, Baltimore, MD, United States, 11/4/13. https://doi.org/10.1109/ICSENS.2013.6688223
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