Strain-Independent Temperature Measurement by Use of a Fluorescence Intensity Ratio Technique in Optical Fiber
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
[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
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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