Fiber taper combined with magnetic fluid for magnetic field

A. Layeghi; H. Latifi; O. Frazão

doi:10.1117/12.2059070

2 June 2014 Fiber taper combined with magnetic fluid for magnetic field

A. Layeghi, H. Latifi, O. Frazão

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91570Z (2014) https://doi.org/10.1117/12.2059070
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

A magnetic field sensor using a non-adiabatic tapered optical fiber (NATOF) interacting with magnetic fluid (MF) nanoparticles is proposed and experimentally demonstrated. The NATOF is surrounded by a MF whose RI changes with external magnetic field which MF is as a cladding of tapered fiber. The Output interference spectrum is shifted by the change of the applied magnetic field intensity in the range up to 44 mT with a sensitivity of -7.17×10-2 nm/mT.

Citation Download Citation

A. Layeghi, H. Latifi, and O. Frazão "Fiber taper combined with magnetic fluid for magnetic field", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91570Z (2 June 2014); https://doi.org/10.1117/12.2059070

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