All-fiber, long-active-length Fabry-Perot strain sensor | Zendy

Simon Pevec | Zendy; Denis Đonlagić | Zendy

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All-fiber, long-active-length Fabry-Perot strain sensor

Author(s) -

Simon Pevec,

Denis Đonlagić

Publication year - 2011

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.19.015641

Subject(s) - fabry–pérot interferometer , materials science , fiber optic sensor , multi mode optical fiber , optics , optical fiber , fiber , photonic crystal fiber , polarization maintaining optical fiber , sensitivity (control systems) , graded index fiber , dispersion shifted fiber , signal (programming language) , optoelectronics , plastic optical fiber , mode volume , electronic engineering , composite material , computer science , wavelength , physics , engineering , programming language

This paper presents a high-sensitivity, all-silica, all-fiber Fabry-Perot strain-sensor. The proposed sensor provides a long active length, arbitrary length of Fabry-Perot cavity, and low intrinsic temperature sensitivity. The sensor was micro-machined from purposely-developed sensor-forming fiber that is etched and directly spliced to the lead-in fiber. This manufacturing process has good potential for cost-effective, high-volume production. Its measurement range of over 3000 µε, and strain-resolution better than 1 µε were demonstrated by the application of a commercial, multimode fiber-based signal processor.

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