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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 9 — May. 1, 2010
  • pp: 1443–1445

Ultrafast femtosecond-laser-induced fiber Bragg gratings in air-hole microstructured fibers for high-temperature pressure sensing

Charles M. Jewart, Qingqing Wang, John Canning, Dan Grobnic, Stephen J. Mihailov, and Kevin P. Chen  »View Author Affiliations


Optics Letters, Vol. 35, Issue 9, pp. 1443-1445 (2010)
http://dx.doi.org/10.1364/OL.35.001443


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Abstract

We present fiber Bragg grating pressure sensors in air-hole microstructured fibers for high-temperature operation above 800°C. An ultrafast laser was used to inscribe Type II grating in two-hole optical fibers. The fiber Bragg grating resonance wavelength shift and peak splits were studied as a function of external hydrostatic pressure from 15 psito2000 psi. The grating pressure sensor shows stable and reproducible operation above 800°C. We demonstrate a multiplexible pressure sensor technology for a high-temperature environment using a single fiber and a single-fiber feedthrough.

© 2010 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: January 13, 2010
Manuscript Accepted: February 13, 2010
Published: April 29, 2010

Citation
Charles M. Jewart, Qingqing Wang, John Canning, Dan Grobnic, Stephen J. Mihailov, and Kevin P. Chen, "Ultrafast femtosecond-laser-induced fiber Bragg gratings in air-hole microstructured fibers for high-temperature pressure sensing," Opt. Lett. 35, 1443-1445 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-9-1443

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