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

Ming Han, Anbo Wang

Research output: Contribution to journalArticle

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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.

Original languageEnglish (US)
Pages (from-to)1202-1204
Number of pages3
JournalOptics Letters
Volume31
Issue number9
DOIs
Publication statusPublished - May 1 2006

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ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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