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

Shellee D. Dyer, Michael Geoffrey Tanner, Burm Baek, Robert H Hadfield, Sae Woo Nam

Research output: Contribution to journalArticle

Abstract

We demonstrate a high-accuracy distributed fiber-optic temperature sensor using superconducting nanowire single-photon detectors and single-photon counting techniques. Our demonstration uses inexpensive single-mode fiber at standard telecommunications wavelengths as the sensing fiber, which enables extremely low-loss experiments and compatibility with existing fiber networks. We show that the uncertainty of the temperature measurement decreases with longer integration periods, but is ultimately limited by the calibration uncertainty. Temperature uncertainty on the order of 3 K is possible with spatial resolution of the order of 1 cm and integration period as small as 60 seconds. Also, we show that the measurement is subject to systematic uncertainties, such as polarization fading, which can be reduced with a polarization diversity receiver. (C) 2012 Optical Society of America

Original languageEnglish
Pages (from-to)3456-3466
Number of pages11
JournalOptics Express
Volume20
Issue number4
DOIs
Publication statusPublished - 13 Feb 2012

Keywords

  • OPTICAL-FIBER

Cite this

Dyer, Shellee D. ; Tanner, Michael Geoffrey ; Baek, Burm ; Hadfield, Robert H ; Nam, Sae Woo. / Analysis of a distributed fiber-optic temperature sensor using single-photon detectors. In: Optics Express. 2012 ; Vol. 20, No. 4. pp. 3456-3466.
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Analysis of a distributed fiber-optic temperature sensor using single-photon detectors. / Dyer, Shellee D.; Tanner, Michael Geoffrey; Baek, Burm; Hadfield, Robert H; Nam, Sae Woo.

In: Optics Express, Vol. 20, No. 4, 13.02.2012, p. 3456-3466.

Research output: Contribution to journalArticle

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