Low-cost miniature fiber-optic extrinsic Fabry-Perot interferometric pressure sensor for biomedical applications

Sven Poeggel, Daniele Tosi, Gabriel Leen, Elfed Lewis

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

Abstract

A fiber-optic pressure sensor based in extrinsic Fabry-Perot interferometer (EFPI) is presented and discussed. The sensing probe is based on an inexpensive all-silica biocompatible design, with 0.2mm outer diameter, suitable for disposable operation in medical catheters. A white-light interrogation system has been implemented, achieving a target accuracy of 1mmHg and pressure stability of 1mmHg/hour for long-term operation. A fiber Bragg grating (FBG) is added in proximity of the sensing tip, compensating temperature variations with 0.5oC accuracy. Design, simulation, and preliminary experimental validation are discussed.

Original languageEnglish
Title of host publicationEuropean Conference on Biomedical Optics, ECBO 2013
PublisherOptical Society of America
ISBN (Print)9780819496461
Publication statusPublished - Jan 1 2013
Externally publishedYes
EventEuropean Conference on Biomedical Optics, ECBO 2013 - Munich, Germany
Duration: May 12 2013May 16 2013

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701

Other

OtherEuropean Conference on Biomedical Optics, ECBO 2013
CountryGermany
CityMunich
Period5/12/135/16/13

Keywords

  • Extrinsic Fabry-Perot Interferometer (EFPI)
  • Fabry-Perot interferometry (FPI)
  • Fiber optic pressure sensor
  • Fiber optic sensor (FOS)
  • Medical pressure sensor
  • Pressure transducer

ASJC Scopus subject areas

  • Instrumentation
  • Atomic and Molecular Physics, and Optics

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  • Cite this

    Poeggel, S., Tosi, D., Leen, G., & Lewis, E. (2013). Low-cost miniature fiber-optic extrinsic Fabry-Perot interferometric pressure sensor for biomedical applications. In European Conference on Biomedical Optics, ECBO 2013 (Optics InfoBase Conference Papers). Optical Society of America.