Optofluidic magnetometer developed in a microstructured optical fiber

A directional, in-fiber optofluidic magnetometer based on a microstructured optical fiber (MOF) Bragg-grating infiltrated with a ferrofluidic defect is presented. Upon application of a magnetic field, the ferrofluidic defect moves along the length of the MOF Bragg grating, modifying its reflection s...

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Bibliographic Details
Published in:Optics letters 2012-11, Vol.37 (21), p.4467-4469
Main Authors: Candiani, A, Konstantaki, M, Margulis, W, Pissadakis, S
Format: Article
Language:English
Subjects:
Bragg gratings
Defects
Directional measurement
Flux
In-fiber
Magnetic field flux
Magnetic field probe
Magnetic fields
Microstructured optical fibers
Operational principles
Optical fibers
Reflection
Reflection spectra
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Summary:A directional, in-fiber optofluidic magnetometer based on a microstructured optical fiber (MOF) Bragg-grating infiltrated with a ferrofluidic defect is presented. Upon application of a magnetic field, the ferrofluidic defect moves along the length of the MOF Bragg grating, modifying its reflection spectrum. The magnetometer is capable of measuring magnetic fields from 317 to 2500 G. The operational principle of such in-fiber magnetic field probe allows the elaboration of directional measurements of the magnetic field flux.
ISSN:0146-9592
1539-4794
1539-4794
DOI:10.1364/OL.37.004467