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Optics Letters

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  • Vol. 29, Iss. 15 — Aug. 1, 2004
  • pp: 1736–1738

Signal-processing algorithm for white-light optical fiber extrinsic Fabry-Perot interferometric sensors

Ming Han, Yan Zhang, Fabin Shen, Gary R. Pickrell, and Anbo Wang  »View Author Affiliations


Optics Letters, Vol. 29, Issue 15, pp. 1736-1738 (2004)
http://dx.doi.org/10.1364/OL.29.001736


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Abstract

We present a novel signal-processing algorithm for single-mode optical fiber extrinsic Fabry–Perot interferometric sensors that can achieve both high-resolution, absolute measurement of the cavity length and a large dynamic measurement range simultaneously. The algorithm is based on an accurate model of the characteristics of a fiber-optic sensor that takes into account the phase shift that is due to the coupling of light reflected at the second surface to the lead-in fiber end.

© 2004 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

Citation
Ming Han, Yan Zhang, Fabin Shen, Gary R. Pickrell, and Anbo Wang, "Signal-processing algorithm for white-light optical fiber extrinsic Fabry-Perot interferometric sensors," Opt. Lett. 29, 1736-1738 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-15-1736


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