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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 19, Iss. 8 — Apr. 15, 1994
  • pp: 593–595

Distributed temperature-change sensor based on Rayleigh backscattering in an optical fiber

R. Rathod, R. D. Pechstedt, D. A. Jackson, and D. J. Webb  »View Author Affiliations


Optics Letters, Vol. 19, Issue 8, pp. 593-595 (1994)
http://dx.doi.org/10.1364/OL.19.000593


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Abstract

A frequency-modulated continuous-wave technique is used to detect the presence of frequency shifts in the Rayleigh-backscattered light in a single-mode optical fiber as a result of a changing temperature. The system is able to detect a rate of temperature change of 0.014 K/s, when a 20-cm length of fiber is heated. The system is also able to demonstrate a spatial resolution of better than 15 cm.

© 1994 Optical Society of America

History
Original Manuscript: November 30, 1993
Published: April 15, 1994

Citation
R. Rathod, R. D. Pechstedt, D. A. Jackson, and D. J. Webb, "Distributed temperature-change sensor based on Rayleigh backscattering in an optical fiber," Opt. Lett. 19, 593-595 (1994)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-19-8-593

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