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Updated: Jun 4, 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

Sensitivity-enhanced high-temperature sensing using all-solid photonic bandgap fiber modal interference.

Youfu Geng1, Xuejin Li, Xiaoling Tan

  • 1College of Physics Science and Technology, Shenzhen Key Laboratory of Sensor Technology, Shenzhen University, Shenzhen, China.

Applied Optics
|February 2, 2011
PubMed
Summary
This summary is machine-generated.

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A novel all-solid photonic bandgap fiber interferometer offers precise high-temperature sensing up to 700°C. This advanced fiber optic sensor demonstrates enhanced sensitivity for accurate temperature measurements in extreme environments.

Area of Science:

  • Optoelectronics
  • Materials Science
  • Fiber Optics

Background:

  • High-temperature sensing is critical in various industrial applications.
  • Existing fiber optic sensors face limitations in extreme temperature environments.
  • Photonic bandgap fibers offer unique light manipulation properties.

Purpose of the Study:

  • To develop and characterize a novel interferometric sensor for high-temperature measurements.
  • To utilize an all-solid photonic bandgap fiber (AS-PBF) for enhanced sensing performance.
  • To investigate the feasibility of AS-PBF for temperatures up to 700°C.

Main Methods:

  • Fabrication of an AS-PBF interferometer by splicing with standard single-mode fibers.
  • Utilizing two core modes (LP01 and LP11) for Mach-Zehnder-type interference.

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Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping
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Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping

Published on: November 7, 2016

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Last Updated: Jun 4, 2026

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
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Published on: January 7, 2019

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

  • Experimental and theoretical analysis of the sensor's response to temperature variations.

    • Main Results:

    • The AS-PBF interferometer achieved a maximum extinction ratio exceeding 25 dB.
    • Effective sensing of temperatures up to 700°C was demonstrated.
    • A high sensitivity of 71.5 pm/°C at 600°C was recorded due to the fiber's thermo-optic coefficient.

    Conclusions:

    • The developed AS-PBF interferometer is a robust and sensitive solution for high-temperature sensing.
    • The unique properties of AS-PBF enable enhanced sensitivity and performance in extreme conditions.
    • This technology holds potential for applications requiring reliable high-temperature monitoring.