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Related Experiment Video

Updated: May 31, 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

Fiber-tip micro-cavity for temperature and transverse load sensing.

Jun Ma1, Jian Ju, Long Jin

  • 1Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong, China.

Optics Express
|July 1, 2011
PubMed
Summary

A novel, low-cost fiber-optic sensor with a micro-cavity was developed. This robust sensor demonstrates potential for accurate temperature and load measurements, even in high-temperature environments.

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Area of Science:

  • Optics and Photonics
  • Materials Science
  • Sensor Technology

Background:

  • Fiber-optic sensors offer advantages in harsh environments.
  • Interferometric sensors provide high sensitivity.
  • Miniaturization is key for advanced sensing applications.

Purpose of the Study:

  • To present a novel, low-cost fiber-optic micro-cavity interferometric sensor.
  • To demonstrate its application in temperature and traverse load measurements.
  • To highlight its suitability for high-temperature environments.

Main Methods:

  • Fabrication of a micro-cavity at the fiber tip by splicing a silica capillary to a single-mode fiber.
  • Melting the capillary to form a microsphere with an internal air cavity.

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Design, Instrumentation and Usage Protocols for Distributed In Situ Thermal Hot Spots Monitoring in Electric Coils using FBG Sensor Multiplexing
10:52

Design, Instrumentation and Usage Protocols for Distributed In Situ Thermal Hot Spots Monitoring in Electric Coils using FBG Sensor Multiplexing

Published on: March 8, 2020

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
09:03

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

Published on: January 7, 2019

Related Experiment Videos

Last Updated: May 31, 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

Design, Instrumentation and Usage Protocols for Distributed In Situ Thermal Hot Spots Monitoring in Electric Coils using FBG Sensor Multiplexing
10:52

Design, Instrumentation and Usage Protocols for Distributed In Situ Thermal Hot Spots Monitoring in Electric Coils using FBG Sensor Multiplexing

Published on: March 8, 2020

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
09:03

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

Published on: January 7, 2019

  • Utilizing interferometric principles for sensing.

    • Main Results:

    • Successful fabrication of a low-cost fiber-optic micro-cavity sensor.
    • Demonstrated feasibility for temperature and traverse load measurements.
    • Sensor exhibits small size, good mechanical strength, and high-temperature tolerance.

    Conclusions:

    • The developed fiber-optic micro-cavity sensor is a cost-effective solution.
    • It offers robust performance for measuring temperature and load.
    • Its characteristics make it suitable for demanding industrial and scientific applications.