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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 25 — Dec. 3, 2012
  • pp: 27465–27472

Correcting for spatial-resolution degradation mechanisms in OFDR via inline auxiliary points

Oren Y. Sagiv, Dror Arbel, and Avishay Eyal  »View Author Affiliations

Optics Express, Vol. 20, Issue 25, pp. 27465-27472 (2012)

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The spatial resolution of OFDR is normally degraded by the laser phase noise, deviations from linear frequency scan and acoustic noise in the fibers. A method for mitigating these degradation mechanisms, without using an auxiliary interferometer, via inline auxiliary points, is presented and demonstrated experimentally. Auxiliary points are points that are a priori known to have (spatial) impulse reflectivities. Their responses are used for compensating the phase deviations that degrade the response of points that are further away from the source.

© 2012 OSA

OCIS Codes
(060.2300) Fiber optics and optical communications : Fiber measurements
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.2630) Fiber optics and optical communications : Frequency modulation
(060.4230) Fiber optics and optical communications : Multiplexing
(120.1840) Instrumentation, measurement, and metrology : Densitometers, reflectometers
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: August 9, 2012
Revised Manuscript: September 27, 2012
Manuscript Accepted: September 28, 2012
Published: November 27, 2012

Oren Y. Sagiv, Dror Arbel, and Avishay Eyal, "Correcting for spatial-resolution degradation mechanisms in OFDR via inline auxiliary points," Opt. Express 20, 27465-27472 (2012)

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