All-fiber multimode-interference-based refractometer sensor: proposal and design | Zendy

Qian Wang | Zendy; Gerald Farrell | Zendy

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All-fiber multimode-interference-based refractometer sensor: proposal and design

Author(s) -

Qian Wang,

Gerald Farrell

Publication year - 2006

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.31.000317

Subject(s) - refractometer , optics , multi mode optical fiber , materials science , fiber optic sensor , graded index fiber , optical fiber , core (optical fiber) , interference (communication) , single mode optical fiber , refractive index , polarization maintaining optical fiber , fiber , physics , computer science , telecommunications , channel (broadcasting) , composite material

A novel all-fiber refractometer sensor is proposed, which is based on multimode interference in the multimode fiber core section sandwiched between two single-mode fibers. A wide-angle beam propagation method in the cylindrical coordinate is employed as the modeling tool for simulation and design of the proposed refractometer sensor. The design for a refractometer is presented that shows that the refractometer would have an estimated resolution of 5.4 x 10(-5) for refractive indices from 1.33 to 1.45 and of 3.3 x 10(-5) for refractive indices from 1.38 to 1.45 through the choice of an appropriate length of the multimode fiber core section.

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