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Related Experiment Video

Updated: May 24, 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

Analysis of a distributed fiber-optic temperature sensor using single-photon detectors.

Shellee D Dyer1, Michael G Tanner, Burm Baek

  • 1National Institute of Standards and Technology, Optoelectronics Division, Boulder, Colorado 80305, USA. sdyer@boulder.nist.gov

Optics Express
|March 16, 2012
PubMed
Summary

We developed a precise fiber-optic temperature sensor using superconducting nanowire single-photon detectors. This sensor achieves 3 K uncertainty with 1 cm resolution, leveraging standard telecom fiber for low-loss measurements.

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Area of Science:

  • Optoelectronics
  • Photonics
  • Sensor Technology

Background:

  • Distributed fiber-optic sensing offers remote temperature monitoring capabilities.
  • Superconducting nanowire single-photon detectors (SNSPDs) provide high sensitivity for photon counting.
  • Standard single-mode fiber is cost-effective and compatible with existing infrastructure.

Purpose of the Study:

  • To demonstrate a high-accuracy distributed fiber-optic temperature sensor.
  • To evaluate the sensor's performance using SNSPDs and single-photon counting.
  • To assess the impact of integration time and identify sources of uncertainty.

Main Methods:

  • Utilized superconducting nanowire single-photon detectors for photon counting.
  • Employed standard single-mode fiber at telecommunications wavelengths as the sensing element.

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A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
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Fabrication and Testing of Photonic Thermometers
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Fabrication and Testing of Photonic Thermometers

Published on: October 24, 2018

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Last Updated: May 24, 2026

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

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

Fabrication and Testing of Photonic Thermometers
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Fabrication and Testing of Photonic Thermometers

Published on: October 24, 2018

  • Investigated the relationship between integration period and temperature measurement uncertainty.
  • Analyzed systematic uncertainties, including polarization fading.

    • Main Results:

    • Achieved temperature uncertainty on the order of 3 K.
    • Demonstrated spatial resolution of approximately 1 cm.
    • Showed that uncertainty decreases with longer integration periods, limited by calibration.
    • Identified polarization fading as a systematic uncertainty, reducible with a polarization diversity receiver.

    Conclusions:

    • A high-accuracy distributed fiber-optic temperature sensor was successfully demonstrated.
    • The system is compatible with existing fiber networks and offers excellent performance.
    • Further improvements can be made by addressing systematic uncertainties like polarization fading.