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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 15 — Aug. 1, 2014
  • pp: 4309–4312

Multicore fiber sensor for high-temperature applications up to 1000°C

J. Enrique Antonio-Lopez, Zeinab Sanjabi Eznaveh, Patrick LiKamWa, Axel Schülzgen, and Rodrigo Amezcua-Correa  »View Author Affiliations

Optics Letters, Vol. 39, Issue 15, pp. 4309-4312 (2014)

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A novel high temperature sensor based on customized multicore fiber (MCF) is proposed and experimentally demonstrated. The sensor consists of a short, few-centimeter-long segment of MCF spliced between two standard single-mode fibers. Due to interference effects, the transmission spectrum through this fiber chain features sharp and deep notches. Exposing the MCF segment to increasing temperatures of up to 1000°C results in a shift of the transmission notches toward longer wavelengths with a slope of approximately 29pm/°C at lower temperatures and 52pm/°C at higher temperatures, enabling temperature measurements with high sensitivity and accuracy. Due to its compact size and mechanical rigidity, the MCF sensor can be subjected to harsh environments. The fabrication of the MCF sensor is straightforward and reproducible, making it an inexpensive fiber device.

© 2014 Optical Society of America

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(280.4788) Remote sensing and sensors : Optical sensing and sensors
(280.6780) Remote sensing and sensors : Temperature

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: May 2, 2014
Revised Manuscript: June 16, 2014
Manuscript Accepted: June 20, 2014
Published: July 18, 2014

J. Enrique Antonio-Lopez, Zeinab Sanjabi Eznaveh, Patrick LiKamWa, Axel Schülzgen, and Rodrigo Amezcua-Correa, "Multicore fiber sensor for high-temperature applications up to 1000°C," Opt. Lett. 39, 4309-4312 (2014)

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