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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 8 — Apr. 9, 2012
  • pp: 8240–8249

Distributed flow sensing using optical hot -wire grid

Tong Chen, Qingqing Wang, Botao Zhang, Rongzhang Chen, and Kevin P. Chen  »View Author Affiliations


Optics Express, Vol. 20, Issue 8, pp. 8240-8249 (2012)
http://dx.doi.org/10.1364/OE.20.008240


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Abstract

An optical hot-wire flow sensing grid is presented using a single piece of self-heated optical fiber to perform distributed flow measurement. The flow-induced temperature loss profiles along the fiber are interrogated by the in-fiber Rayleigh backscattering, and spatially resolved in millimeter resolution using optical frequency domain reflectometry (OFDR). The flow rate, position, and flow direction are retrieved simultaneously. Both electrical and optical on-fiber heating were demonstrated to suit different flow sensing applications.

© 2012 OSA

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(280.2490) Remote sensing and sensors : Flow diagnostics

ToC Category:
Sensors

History
Original Manuscript: December 8, 2011
Revised Manuscript: February 28, 2012
Manuscript Accepted: February 28, 2012
Published: March 26, 2012

Citation
Tong Chen, Qingqing Wang, Botao Zhang, Rongzhang Chen, and Kevin P. Chen, "Distributed flow sensing using optical hot -wire grid," Opt. Express 20, 8240-8249 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-8-8240


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