Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/43943
Title: All fiber magnetic field sensor with ferrofluidfilled tapered microstructured optical fiber interferometer
Authors: Deng, M
Huang, C
Liu, D
Jin, W 
Zhu, T
Issue Date: 2015
Publisher: Optical Society of America
Source: Optics express, 2015, v. 23, no. 16, p. 20668-20674 How to cite?
Journal: Optics express 
Abstract: An ultra-compact optical fiber magnetic field sensor based on a microstructured optical fiber (MOF) modal interference and ferrofluid (FF) has been proposed and experimentally demonstrated. The magnetic field sensor was fabricated by splicing a tapered germanium-doped index guided MOF with six big holes injected with FF to two conventional single-mode fibers. The transmission spectra of the proposed sensor under different magnetic field intensities have been measured and theoretically analyzed. Due to an efficient interaction between the magnetic nanoparticles in FF and the excited cladding mode, the magnetic field sensitivity reaches up to117.9pm/mT with a linear range from 0mT to 30mT. Moreover, the fabrication process of the proposed sensor is simple, easy and costeffective. Therefore, it will be a promising candidate for military, aviation industry, and biomedical applications, especially, for the applications where the space is limited.
URI: http://hdl.handle.net/10397/43943
EISSN: 1094-4087
DOI: 10.1364/OE.23.020668
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