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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 6 — Mar. 15, 2010
  • pp: 5926–5933

Measurement range enlargement in Brillouin optical correlation-domain reflectometry based on double-modulation scheme

Yosuke Mizuno, Zuyuan He, and Kazuo Hotate  »View Author Affiliations


Optics Express, Vol. 18, Issue 6, pp. 5926-5933 (2010)
http://dx.doi.org/10.1364/OE.18.005926


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Abstract

We have demonstrated a double-modulation scheme to enlarge the measurement range of Brillouin optical correlation-domain reflectometry for fiber-optic distributed strain sensing. In this scheme, the frequency of the laser output is simultaneously modulated with two different frequencies. In the experiment, 53-cm resolution and 1.5-km measurement range were simultaneously obtained. Furthermore, 27-cm resolution and 1.5-km measurement range were also simultaneously achieved when a noise-floor compensation technique was employed.

© 2010 OSA

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(290.5830) Scattering : Scattering, Brillouin
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Sensors

History
Original Manuscript: December 8, 2009
Revised Manuscript: March 1, 2010
Manuscript Accepted: March 3, 2010
Published: March 10, 2010

Citation
Yosuke Mizuno, Zuyuan He, and Kazuo Hotate, "Measurement range enlargement in Brillouin optical correlation-domain reflectometry based on double-modulation scheme," Opt. Express 18, 5926-5933 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-6-5926


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References

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