All-fiber magnetic field sensor based on tapered thin-core fiber and magnetic fluid
Document Type
Article
Publication Date
1-1-2017
Abstract
A method for the measurement of a magnetic field by combining a tapered thin-core fiber (TTCF) and magnetic fluid is proposed and experimentally demonstrated. The modal interference effect is caused by the core mode and excited eigenmodes in the TTCF cladding. The transmission spectra of the proposed sensor are measured and theoretically analyzed at different magnetic field strengths. The results field show that the magnetic sensitivity reaches up to -0.1039 dB/Oe in the range of 40-1600 e. The proposed method possesses high sensitivity and low cost compared with other expensive methods.
Keywords
Magnetic field measurement, Magnetic fields, Magnetic fluids
Divisions
Science
Funders
National Natural Science Foundation of China (NSFC) (61077060, 61205080, 61235005, 61405160),National High Technology Research and Development Program 863 (2009AA06Z203),Ministry of Education Project of Science and Technology Innovation (Z08119),Ministry of Science and Technology Project of International Cooperation (2008CR1063)
Publication Title
Applied Optics
Volume
56
Issue
2
Publisher
Optical Society of America