Displacement sensing of enhanced sensitivity and noise suppression with twin-fiber algorithm

A novel fiber sensing algorithm is proposed and demonstrated, where two single‐mode fibers is used to sense the same signal with different sign so that sensitivity is doubly enhanced and common noise is eliminated. High sensing resolution and high sensing dynamic may be achievable when the high enci...

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Bibliographic Details
Published in:Microwave and optical technology letters 2006-10, Vol.48 (10), p.2077-2080
Main Authors: Sun, Ching-Cherng, Chang, Chih-Li, Ma, Shih-Hsin
Format: Article
Language:English
Subjects:
fiber sensing
interferometers
single-mode fibers
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Summary:A novel fiber sensing algorithm is proposed and demonstrated, where two single‐mode fibers is used to sense the same signal with different sign so that sensitivity is doubly enhanced and common noise is eliminated. High sensing resolution and high sensing dynamic may be achievable when the high encircling number and high‐speed power detector are applied. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 2077–2080, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21879
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.21879