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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 23 — Aug. 10, 2010
  • pp: 4413–4419

Time-domain optical reflectometry measurements using a frequency comb interferometer

Geneviève Taurand, Philippe Giaccari, Jean-Daniel Deschênes, and Jérôme Genest  »View Author Affiliations

Applied Optics, Vol. 49, Issue 23, pp. 4413-4419 (2010)

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We characterize the temporal response of fiber-optic components using a fiber-based frequency comb interferometer; measurements are compared and validated against a commercial instrument. The main advantage of the instrument lies in the absence of moving parts or a tunable laser, leading to very fast scanning. A measurement of a mechanical distortion, cycled at 130 Hz , on a fiber Bragg grating (FBG) is presented. A complete profile of the mechanical distortion is taken every 2.5 ms ( 400 Hz scanning speed) and each “snapshot” is taken in 200 μs . This scanning speed was arbitrarily chosen, and the instrument could be set to scan much faster, up to hundreds of kilohertz. With high-reflectivity FBGs, the same instrument could scan simultaneously the profile of 140 wavelength-multiplexed FBGs at 2 kHz .

© 2010 Optical Society of America

OCIS Codes
(040.2840) Detectors : Heterodyne
(060.2270) Fiber optics and optical communications : Fiber characterization
(140.4050) Lasers and laser optics : Mode-locked lasers
(120.4825) Instrumentation, measurement, and metrology : Optical time domain reflectometry

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: April 12, 2010
Revised Manuscript: July 12, 2010
Manuscript Accepted: July 13, 2010
Published: August 5, 2010

Geneviève Taurand, Philippe Giaccari, Jean-Daniel Deschênes, and Jérôme Genest, "Time-domain optical reflectometry measurements using a frequency comb interferometer," Appl. Opt. 49, 4413-4419 (2010)

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