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Layeghi A, Latifi H. Simultaneous measurement of magnetic field and temperature based on magnetic fluid –clad nonadiabatic tapered Hi-Bi fiber in fiber loop mirror. ICOP & ICPET _ INPC _ ICOFS 2018; 24 :573-576
URL: http://opsi.ir/article-1-1472-en.html
URL: http://opsi.ir/article-1-1472-en.html
1- Laser and Plasma Institute, Shahid Beheshti University
Abstract: (2294 Views)
A simultaneous measuring sensor of magnetic field and temperature is proposed and experimented by the surrounded magnetic fluid as a cladding of non-adiabatic tapered Hi-Bi fiber optic in fiber loop mirror. The wavelength of the spectral resonance dips of the proposed structure is influenced by applied magnetic field and temperature. A two-parameter matrix method is proposed and utilized to measure the magnetic field and temperature simultaneously. The linear relationship between the corresponding wavelength shift variation and magnetic field/temperature change is obtained at certain ranges of magnetic field and temperature, which is favorable for sensing applications.
Keywords: Magnetic fiber sensor, fiber loop mirror, non-adiabatic tapered fiber, Nano-magnetic fluid.
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