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Plasmonic sensor based on tapered optical fibers and magnetic fluids for measuring magnetic fields



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Rodriguez Schwendtner, E. and Díaz Herrera, Natalia and Navarrete Fernández, María Cruz and González Cano, Agustín and Esteban Martínez, Óscar (2017) Plasmonic sensor based on tapered optical fibers and magnetic fluids for measuring magnetic fields. Sensors and actuators A - Physical, 264 . pp. 58-62. ISSN 0924-4247

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Official URL: https://doi.org/10.1016/j.sna.2017.07.040


We present a new sensor based on the combination of Surface Plasmon Resonance (SPR) with magneto-refractive materials. We use doubly-deposited uniform-waist tapered optical fibers (DLUWTs), that have shown their good performance and versatility as refractometers, and magnetic fluids as transducers to measure magnetic fields in an all-optical-fiber configuration. We experimentally show the feasibility of our approach, by demonstrating the physical principle of the device and characterizing the performance of the sensors, which show very good sensitivity and resolution. In this way, we propose a new field of development for SPR optical fiber sensors to extend the field of application of the plasmonics-based technologies.

Item Type:Article
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Received 11 May 2017, Revised 18 July 2017, Accepted 21 July 2017, Available online 1 August 2017.

Uncontrolled Keywords:Fiber-optic sensors; Plasmon surface resonance (SPR); Tapered optical fibers; Magnetic fluids; Ferrofluids; Magnetic field measurement
Subjects:Sciences > Physics > Electromagnetism
Sciences > Physics > Optics
Sciences > Physics > Particles
ID Code:45102
Deposited On:19 Oct 2017 10:15
Last Modified:23 Oct 2017 11:00

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