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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 27, Iss. 11 — Jun. 1, 2002
  • pp: 903–905

Multiplexed fiber Fabry–Perot temperature sensor system using white-light interferometry

Yichao Chen and Henry F. Taylor  »View Author Affiliations


Optics Letters, Vol. 27, Issue 11, pp. 903-905 (2002)
http://dx.doi.org/10.1364/OL.27.000903


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Abstract

A novel monitoring system for a fiber Fabry–Perot interferometer (FFPI) temperature sensor has yielded a resolution of 0.013 °C (0.0025 fringe). Light from a broadband source passes through a scanned Michelson interferometer and is reflected from a FFPI to produce a fringe pattern, the temporal position of which is proportional to a change in the optical length of the fiber interferometer. A second Michelson interferometer with a distributed-feedback laser source is used to correct for variations in the translation rate of the motor-driven scanning mirror. Coherence multiplexing of three such sensors has also been demonstrated.

© 2002 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(280.0280) Remote sensing and sensors : Remote sensing and sensors

Citation
Yichao Chen and Henry F. Taylor, "Multiplexed fiber Fabry–Perot temperature sensor system using white-light interferometry," Opt. Lett. 27, 903-905 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-11-903

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