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  • Vol. 36, Iss. 18 — Sep. 15, 2011
  • pp: 3542–3544

Regenerated gratings in air-hole microstructured fibers for high-temperature pressure sensing

Tong Chen, Rongzhang Chen, Charles Jewart, Botao Zhang, Kevin Cook, John Canning, and Kevin P. Chen  »View Author Affiliations


Optics Letters, Vol. 36, Issue 18, pp. 3542-3544 (2011)
http://dx.doi.org/10.1364/OL.36.003542


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Abstract

We present thermally regenerated fiber Bragg gratings in air-hole microstructured fibers for high-temperature, hydrostatic pressure measurements. High-temperature stable gratings were regenerated during an 800 ° C annealing process from hydrogen-loaded Type I seed gratings. The wavelength shifts and separation of grating peaks were studied as functions of external hydrostatic pressure from 15 to 2400 psi , and temperature from 24 ° C to 800 ° C . This Letter demonstrates a multiplexible pressure and temperature sensor technology for high-temperature environments using a single optical fiber feedthrough.

© 2011 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.6780) Instrumentation, measurement, and metrology : Temperature
(060.4005) Fiber optics and optical communications : Microstructured fibers
(120.5475) Instrumentation, measurement, and metrology : Pressure measurement

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: June 15, 2011
Revised Manuscript: August 10, 2011
Manuscript Accepted: August 12, 2011
Published: September 6, 2011

Citation
Tong Chen, Rongzhang Chen, Charles Jewart, Botao Zhang, Kevin Cook, John Canning, and Kevin P. Chen, "Regenerated gratings in air-hole microstructured fibers for high-temperature pressure sensing," Opt. Lett. 36, 3542-3544 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-18-3542


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