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Related Experiment Video

Updated: Jun 20, 2026

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
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A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

Published on: January 7, 2019

Planar flexible fiber-optic interferometric acoustic sensor.

N Lagakos, P Ehrenfeuchter, T R Hickman

    Optics Letters
    |September 12, 2009
    PubMed
    Summary

    A new flexible fiber-optic acoustic sensor was created using spiral-wrapped fibers. This innovative sensor shows promising performance comparable to existing technologies for acoustic and acceleration detection.

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    Area of Science:

    • Optoelectronics
    • Materials Science
    • Sensor Technology

    Background:

    • Fiber-optic sensors offer advantages in sensitivity and immunity to electromagnetic interference.
    • Developing flexible and planar sensor designs is crucial for novel applications.
    • Interferometric techniques provide high-resolution signal detection.

    Purpose of the Study:

    • To develop and characterize a novel planar flexible fiber-optic interferometric acoustic sensor.
    • To evaluate the sensor's performance for acoustic and acceleration measurements.
    • To compare its efficacy against a similar geometry polyvinylidene fluoride sensor.

    Main Methods:

    • Optimized single-mode optical fibers were wound into a planar spiral configuration.
    • The fiber spiral was embedded within a thin polyurethane layer to create a flexible sensor.

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    A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
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    Wideband Optical Detector of Ultrasound for Medical Imaging Applications
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  • Acoustic and acceleration responses were measured and analyzed.

    • Main Results:

    • The developed fiber-optic sensor demonstrated effective acoustic sensing capabilities.
    • Acceleration measurements were also successfully obtained using the sensor.
    • Performance metrics for both acoustic and acceleration responses favorably compared to a planar polyvinylidene fluoride sensor of similar geometry.

    Conclusions:

    • A planar flexible fiber-optic interferometric sensor is feasible and effective.
    • The developed sensor shows comparable performance to existing technologies for acoustic and acceleration detection.
    • This technology holds potential for various sensing applications requiring flexible and robust designs.