Journal
OPTICS EXPRESS
Volume 17, Issue 23, Pages 20777-20782Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.17.020777
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Funding
- National Science Foundation of China, NSFC [60537050]
- Ministry of Education of China [708064]
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Different from usually-used bulk magnetostrictive materials, magnetostrictive TbDyFe thin films were firstly proposed as sensing materials for fiber-optic magnetic field sensing characterization. By magnetron sputtering process, TbDyFe thin films were deposited on etched side circle of a fiber Bragg Grating (FBG) as sensing element. There exists more than 45pm change of FBG wavelength when magnet field increase up to 50 mT. The response to magnetic field is reversible, and could be applicable for magnetic and current sensing. (C) 2009 Optical Society of America
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