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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 6 — Feb. 20, 2012
  • pp: 771–775

Rangeability extension of fiber-optic low-coherence measurement based on cascaded multistage fiber delay line

Shuguang Li, Xinwan Li, Weiwen Zou, and Jianping Chen  »View Author Affiliations


Applied Optics, Vol. 51, Issue 6, pp. 771-775 (2012)
http://dx.doi.org/10.1364/AO.51.000771


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Abstract

We demonstrate a simple method to extend the measurable fiber length with a fiber-optic low-coherence technique. This method is based on a cascaded structure of multistage fiber delay line laid in one arm of the low-coherence technique. By choosing different individual stages in the cascaded fiber delay line, the length of the fiber under test can be continuously measured with a different measurement range. The measurement range of 0.81 km and spatial resolution of 60 μm are successfully realized.

© 2012 Optical Society of America

OCIS Codes
(060.2300) Fiber optics and optical communications : Fiber measurements
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.3180) Instrumentation, measurement, and metrology : Interferometry

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: August 15, 2011
Revised Manuscript: October 19, 2011
Manuscript Accepted: October 20, 2011
Published: February 17, 2012

Citation
Shuguang Li, Xinwan Li, Weiwen Zou, and Jianping Chen, "Rangeability extension of fiber-optic low-coherence measurement based on cascaded multistage fiber delay line," Appl. Opt. 51, 771-775 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-6-771


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