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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 35, Iss. 5 — Mar. 1, 2010
  • pp: 619–621

Multiplexed high temperature sensing with sapphire fiber air gap-based extrinsic Fabry–Perot interferometers

Jiajun Wang, Bo Dong, Evan Lally, Jianmin Gong, Ming Han, and Anbo Wang  »View Author Affiliations


Optics Letters, Vol. 35, Issue 5, pp. 619-621 (2010)
http://dx.doi.org/10.1364/OL.35.000619


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Abstract

In this Letter we present a high temperature multipoint sensing method using sapphire fiber air gap-based extrinsic Fabry–Perot interferometers. Three sensors are fabricated and tested in a single sensing link. Experimental results show that the air gap-based high temperature sensors have a very high temperature sensitivity ( > 20   nm / ° C ) and resolution ( < 0.3 ° C ) and are capable of operating at temperatures well above 1000 ° C . The multiplexed sapphire sensors present a significant advancement over traditional single-point sensors for critical high temperature applications.

© 2010 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.4230) Fiber optics and optical communications : Multiplexing
(120.6780) Instrumentation, measurement, and metrology : Temperature

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: October 15, 2009
Revised Manuscript: January 4, 2010
Manuscript Accepted: January 12, 2010
Published: February 19, 2010

Citation
Jiajun Wang, Bo Dong, Evan Lally, Jianmin Gong, Ming Han, and Anbo Wang, "Multiplexed high temperature sensing with sapphire fiber air gap-based extrinsic Fabry–Perot interferometers," Opt. Lett. 35, 619-621 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-5-619


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