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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 18 — Jun. 20, 2000
  • pp: 3050–3052

Strain-independent temperature measurement by use of a fluorescence intensity ratio technique in optical fiber

Scott A. Wade, Stephen F. Collins, Kenneth T. V. Grattan, and Gregory W. Baxter  »View Author Affiliations


Applied Optics, Vol. 39, Issue 18, pp. 3050-3052 (2000)
http://dx.doi.org/10.1364/AO.39.003050


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Abstract

The strain sensitivity of the fluorescence intensity ratio temperature-sensing technique has been measured to be (2 ± 3) × 10-4%/με in Yb3+-doped fiber, implying a temperature-to-strain cross sensitivity of (2 ± 3) × 10-4 °C/με. The near-zero strain sensitivity means that this optical-fiber sensor technique is well suited for temperature measurement in strain-affected environments.

© 2000 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.6780) Instrumentation, measurement, and metrology : Temperature
(160.5690) Materials : Rare-earth-doped materials
(300.2530) Spectroscopy : Fluorescence, laser-induced

History
Original Manuscript: September 10, 1999
Revised Manuscript: April 11, 2000
Published: June 20, 2000

Citation
Scott A. Wade, Stephen F. Collins, Kenneth T. V. Grattan, and Gregory W. Baxter, "Strain-independent temperature measurement by use of a fluorescence intensity ratio technique in optical fiber," Appl. Opt. 39, 3050-3052 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-18-3050

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