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Wideband Optical Detector of Ultrasound for Medical Imaging Applications
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A self-referenced optical intensity sensor network using POFBGs for biomedical applications.

Alberto Tapetado Moraleda1, David Sánchez Montero2, David J Webb3

  • 1Universidad Carlos III de Madrid, Displays and Photonics Applications Group, Electronics Technology Department, Avda Universidad 30, Leganés 28911, Spain. atapetad@ing.uc3m.es.

Sensors (Basel, Switzerland)
|January 24, 2015
PubMed
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This study presents a scalable hybrid sensor network using polymer optical fiber (POF) and silica fiber Bragg gratings (FBG) for remote sensing. The system demonstrates feasibility for biomedical applications, offering a low-cost, biocompatible solution.

Area of Science:

  • Photonics
  • Biomedical Engineering
  • Materials Science

Background:

  • Remote interrogation of optical sensors is crucial for various applications.
  • Polymer optical fibers (POF) offer biocompatibility and low cost.
  • Integrating different fiber types presents unique challenges.

Purpose of the Study:

  • To develop a hybrid sensor network combining silica fiber Bragg gratings (FBG) and polymer FBGs (POFBG).
  • To enable remote interrogation of multiple optical sensors using a scalable Wavelength Division Multiplexing (WDM) compatible topology.
  • To demonstrate the feasibility of this system for medical and biomedical applications.

Main Methods:

  • Analysis of a novel hybrid sensor network topology.
  • Implementation of a central monitoring unit with virtual data processing.

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  • Compatibility testing with Wavelength Division Multiplexing (WDM) networks.

    • Main Results:

    • Successful integration of silica FBGs and polymer FBGs (POFBGs) in a single network.
    • High scalability achieved through WDM compatibility, allowing multiple remote sensors.
    • Demonstrated remote monitoring capabilities up to kilometers away.
    • Feasibility confirmed for potential medical and biomedical environments.

    Conclusions:

    • The proposed hybrid sensor network effectively bridges remote sensing and biocompatible POF-based photonic sensing.
    • The system offers a scalable, low-cost solution for advanced sensing in medical and biomedical fields.
    • This technology paves the way for novel in-situ monitoring solutions in healthcare.