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

Jiajun Wang, Bo Dong, Evan Lally, Jianmin Gong, Ming Han, Anbo Wang

Research output: Contribution to journalArticle

97 Citations (Scopus)

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.

Original languageEnglish (US)
Pages (from-to)619-621
Number of pages3
JournalOptics Letters
Volume35
Issue number5
DOIs
StatePublished - Mar 1 2010

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Fabry-Perot interferometers
sapphire
fibers
air
sensors
temperature sensors
critical temperature
temperature

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Multiplexed high temperature sensing with sapphire fiber air gap-based extrinsic Fabry-Perot interferometers. / Wang, Jiajun; Dong, Bo; Lally, Evan; Gong, Jianmin; Han, Ming; Wang, Anbo.

In: Optics Letters, Vol. 35, No. 5, 01.03.2010, p. 619-621.

Research output: Contribution to journalArticle

Wang, Jiajun ; Dong, Bo ; Lally, Evan ; Gong, Jianmin ; Han, Ming ; Wang, Anbo. / Multiplexed high temperature sensing with sapphire fiber air gap-based extrinsic Fabry-Perot interferometers. In: Optics Letters. 2010 ; Vol. 35, No. 5. pp. 619-621.
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