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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 23 — Aug. 10, 2008
  • pp: 4212–4220

All-fiber, low-cost single-point and quasi-distributed evanescent field temperature sensors with extended temperature measurement range, based on standard telecommunication graded index fibers

Marko Kezmah and Denis Donlagic  »View Author Affiliations


Applied Optics, Vol. 47, Issue 23, pp. 4212-4220 (2008)
http://dx.doi.org/10.1364/AO.47.004212


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Abstract

Fiber-optic single-point and quasi-distributed evanescent temperature sensors recoated with a blend of poly(methyl methacrylate) and poly(vinylidene fluoride) are proposed. Solid cladding enables the cons truction of small-size, low-cost, relatively wide-range and fast-response temperature sensors. The diameter of the sensor does not exceed the dimensions of the original optical fiber, while the response time of the sensor is 7.4 ms . Different mass ratios of polymers in the blend enable fine tuning of the applied cladding’s refractive index. This allows the construction of sensors for different temperature ranges, while the application of all-silica graded-index multimode fibers enables the construction of quasi- distributed sensor systems with considerably reduced cross talk.

© 2008 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.6780) Instrumentation, measurement, and metrology : Temperature
(120.7000) Instrumentation, measurement, and metrology : Transmission
(160.5470) Materials : Polymers
(280.6780) Remote sensing and sensors : Temperature

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: April 28, 2008
Revised Manuscript: July 2, 2008
Manuscript Accepted: July 17, 2008
Published: August 4, 2008

Citation
Marko Kezmah and Denis Donlagic, "All-fiber, low-cost single-point and quasi-distributed evanescent field temperature sensors with extended temperature measurement range, based on standard telecommunication graded index fibers," Appl. Opt. 47, 4212-4220 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-23-4212

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