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Updated: May 20, 2026

Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping
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Published on: November 7, 2016

Optical bending sensor using distributed feedback solid state dye lasers on optical fiber.

Hiroyuki Kubota1, Soichiro Oomi, Hiroaki Yoshioka

  • 1Department of Electronics, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan.

Optics Express
|July 10, 2012
PubMed
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This summary is machine-generated.

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A new optical fiber sensor uses a print-like technique to create multiple dye lasers on a polymer optical fiber (POF). This sensor offers multi-functional capabilities, including precise directional and bending measurements without cross-talk.

Area of Science:

  • Photonics and Sensing
  • Materials Science
  • Optical Engineering

Background:

  • Traditional optical fiber sensors often lack multi-functionality and can be complex to fabricate.
  • The integration of multiple active elements onto a single fiber platform is an ongoing challenge in sensor development.

Purpose of the Study:

  • To propose and demonstrate a novel optical fiber sensor with multi-functional sensing capabilities.
  • To develop a cost-effective and scalable fabrication method for integrated optical fiber sensors.

Main Methods:

  • A print-like fabrication technique was employed to create distributed feedback solid-state dye lasers on a polymeric optical fiber (POF).
  • The sensor featured a multi-active-sidecore structure with tapered coupling for enhanced light interaction.

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Last Updated: May 20, 2026

Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping
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Published on: November 7, 2016

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

  • The sensor was mounted to test bending radius sensitivity, two-axis directional sensing, and twisted configurations.

    • Main Results:

    • The fabricated sensor demonstrated a bending radius sensitivity of 20 m without external supports.
    • Accurate two-axis directional sensing was achieved with no cross-talk between axes.
    • Experimental studies confirmed the sensor's ability to detect twisted configurations.
    • A method for eliminating temperature influence on sensor readings was successfully demonstrated.

    Conclusions:

    • The developed print-like fabrication technique offers an easy and versatile method for creating multi-functional optical fiber sensors.
    • This novel sensor platform shows significant potential for applications requiring precise directional and strain measurements.
    • The ability to compensate for temperature variations enhances the sensor's reliability in diverse environmental conditions.