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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 20 — Sep. 26, 2011
  • pp: 19122–19128

Centimeter-level spatial resolution over 40 km realized by bandwidth-division phase-noise-compensated OFDR

Xinyu Fan, Yusuke Koshikiya, and Fumihiko Ito  »View Author Affiliations

Optics Express, Vol. 19, Issue 20, pp. 19122-19128 (2011)

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We present a bandwidth-division phase-noise-compensated optical frequency domain reflectometry (PNC-OFDR) technique, which permits a fast sweep of the optical source frequency. This method makes it possible to reduce the influence of environmental perturbation, which is the dominant factor degrading the spatial resolution of frequency-domain reflectometry at a long measurement range after compensation of the optical source phase noise. By using this approach, we realize a sub-cm spatial resolution over 40 km in a normal laboratory environment, and a 5 cm spatial resolution at 39.2 km in a field trial.

© 2011 OSA

OCIS Codes
(060.2300) Fiber optics and optical communications : Fiber measurements
(120.1840) Instrumentation, measurement, and metrology : Densitometers, reflectometers

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: June 8, 2011
Revised Manuscript: August 23, 2011
Manuscript Accepted: August 23, 2011
Published: September 16, 2011

Xinyu Fan, Yusuke Koshikiya, and Fumihiko Ito, "Centimeter-level spatial resolution over 40 km realized by bandwidth-division phase-noise-compensated OFDR," Opt. Express 19, 19122-19128 (2011)

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