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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 8 — Apr. 15, 2006
  • pp: 1035–1037

Laser-optical fiber Bragg grating anemometer for measuring gas flows: application to measuring the electric wind

David W. Lamb and Adam Hooper  »View Author Affiliations


Optics Letters, Vol. 31, Issue 8, pp. 1035-1037 (2006)
http://dx.doi.org/10.1364/OL.31.001035


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Abstract

A novel laser-optical fiber Bragg grating anemometer (FBGA) has been devised for measuring the speed of a moving gas in the range 0 1.5 m s 1 . As a test, the FBGA was applied to measuring the speed of the electric wind generated in the particularly harsh, high-voltage environment of a dc, negative-polarity, partial (corona) discharge in atmospheric air. The instrument proved more stable and yielded an order-of-magnitude improvement in sensitivity ( Δ v 4 × 10 3 ms 1 ) compared with other optical-fiber-based anemometers. On-axis wind speeds ranging from zero to 1.1 m s 1 were measured in the vicinity of the corona discharge.

© 2006 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.2400) Fiber optics and optical communications : Fiber properties

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: December 1, 2005
Revised Manuscript: January 17, 2006
Manuscript Accepted: January 23, 2006

Citation
David W. Lamb and Adam Hooper, "Laser-optical fiber Bragg grating anemometer for measuring gas flows: application to measuring the electric wind," Opt. Lett. 31, 1035-1037 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-8-1035

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