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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 9 — May. 1, 2006
  • pp: 1202–1204

Mode power distribution effect in white-light multimode fiber extrinsic Fabry–Perot interferometric sensor systems

Ming Han and Anbo Wang  »View Author Affiliations


Optics Letters, Vol. 31, Issue 9, pp. 1202-1204 (2006)
http://dx.doi.org/10.1364/OL.31.001202


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Abstract

Theoretical and experimental results have shown that mode power distribution (MPD) variations could significantly vary the phase of spectral fringes from multimode fiber extrinsic Fabry–Perot interferometric (MMF-EFPI) sensor systems, owing to the fact that different modes introduce different extra phase shifts resulting from the coupling of modes reflected at the second surface to the lead-in fiber end. This dependence of fringe pattern on MPD could cause measurement errors in signal demodulation methods of white-light MMF-EFPI sensors that implement the phase information of the fringes.

© 2006 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.2230) Instrumentation, measurement, and metrology : Fabry-Perot
(120.3180) Instrumentation, measurement, and metrology : Interferometry

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: December 1, 2005
Revised Manuscript: January 20, 2006
Manuscript Accepted: January 23, 2006

Citation
Ming Han and Anbo Wang, "Mode power distribution effect in white-light multimode fiber extrinsic Fabry-Perot interferometric sensor systems," Opt. Lett. 31, 1202-1204 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-9-1202


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