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Related Experiment Video

Updated: Jun 14, 2026

Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping
09:48

Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping

Published on: November 7, 2016

Temperature sensing in optical fibers using cladding and jacket loss effects.

M Gottlieb, G B Brandt

    Applied Optics
    |April 8, 2010
    PubMed
    Summary
    This summary is machine-generated.

    This study analyzes optical fiber temperature sensors that use transmission intensity. The evanescent field couples to a lossy jacket, with temperature changes affecting refractive indices for sensing.

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    Area of Science:

    • Optoelectronics
    • Fiber Optics
    • Sensor Technology

    Background:

    • Optical fibers are widely used in telecommunications.
    • Developing novel sensing applications for optical fibers is an active research area.
    • Temperature sensing is crucial in various industrial and scientific fields.

    Purpose of the Study:

    • To theoretically analyze optical fiber methods for temperature sensing.
    • To investigate the mechanism of transmission intensity effects for temperature measurement.
    • To explore the design considerations for optical fiber temperature sensors.

    Main Methods:

    • Theoretical analysis of evanescent field coupling.
    • Modeling the interaction between optical fiber core, cladding, and a lossy jacket.
    • Investigating the impact of material refractive indices and fiber dimensions on sensor response.

    Main Results:

    • Demonstrated a theoretical framework for optical fiber temperature sensing using transmission intensity.
    • Identified temperature-dependent evanescent field coupling as the key sensing mechanism.
    • Showed that material properties and fiber dimensions can be tailored for desired sensor performance.

    Conclusions:

    • Optical fibers can be effectively utilized as temperature sensors.
    • The evanescent field coupling mechanism provides a viable route for optical temperature sensing.
    • Further research can optimize fiber designs for specific temperature sensing applications.