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Related Experiment Video

Updated: Jun 8, 2026

Live Cell Imaging of F-actin Dynamics via Fluorescent Speckle Microscopy (FSM)
19:16

Live Cell Imaging of F-actin Dynamics via Fluorescent Speckle Microscopy (FSM)

Published on: August 5, 2009

Multimode fiber sensing by using mean-absolute speckle-intensity variation.

K Pan, C M Uang, F Cheng

    Applied Optics
    |October 2, 2010
    PubMed
    Summary
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    This study introduces a simple and sensitive fiber-sensing technique for detecting environmental changes like displacement and temperature. It offers fast measurements using standard electronic hardware.

    Area of Science:

    • Optical Fiber Sensing
    • Environmental Monitoring
    • Metrology

    Background:

    • Fiber optic sensors are crucial for measuring physical parameters.
    • Speckle pattern analysis offers a potential sensing mechanism.
    • Existing methods may lack sensitivity or speed.

    Purpose of the Study:

    • To develop a novel fiber-sensing technique.
    • To quantify environmental perturbations using speckle intensity variations.
    • To demonstrate high sensitivity and fast response.

    Main Methods:

    • Utilizing mean-absolute speckle-intensity variation between reference and updated patterns.
    • Employing off-the-shelf electronic hardware for data acquisition.
    • Analyzing speckle patterns generated in optical fibers.

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    A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings
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    A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings

    Published on: September 30, 2019

    Related Experiment Videos

    Last Updated: Jun 8, 2026

    Live Cell Imaging of F-actin Dynamics via Fluorescent Speckle Microscopy (FSM)
    19:16

    Live Cell Imaging of F-actin Dynamics via Fluorescent Speckle Microscopy (FSM)

    Published on: August 5, 2009

    A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings
    08:23

    A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings

    Published on: September 30, 2019

    Main Results:

    • Demonstrated high sensitivity for detecting environmental factors.
    • Achieved fast-response measurements.
    • Provided experimental validation for submicrometer displacement and temperature sensing.

    Conclusions:

    • The proposed technique is a simple, sensitive, and fast method for environmental sensing.
    • It offers a practical solution using readily available hardware.
    • Updating the reference speckle pattern can extend the dynamic range.