Magnetic Field Sensing Based on Bi-Tapered Optical Fibers Using Spectral Phase Analysis
AbstractA compact, magnetic field sensor system based on a short, bi-tapered optical fiber (BTOF) span lying on a magnetic tape was designed, fabricated, and characterized. We monitored the transmission spectrum from a broadband light source, which displayed a strong interference signal. After data collection, we applied a phase analysis of the interference optical spectrum. We here report the results on two fabricated, BTOFs with different interference spectrum characteristics; we analyzed the signal based on the interference between a high-order modal component and the core fiber mode. The sensor exhibited a linear response for magnetic field increments, and we achieved a phase sensitivity of around 0.28 rad/mT. The sensing setup presented remote sensing operation and low-cost transducer magnetic material. View Full-Text
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Herrera-Piad, L.A.; Haus, J.W.; Jauregui-Vazquez, D.; Sierra-Hernandez, J.M.; Estudillo-Ayala, J.M.; Lopez-Dieguez, Y.; Rojas-Laguna, R. Magnetic Field Sensing Based on Bi-Tapered Optical Fibers Using Spectral Phase Analysis. Sensors 2017, 17, 2393.
Herrera-Piad LA, Haus JW, Jauregui-Vazquez D, Sierra-Hernandez JM, Estudillo-Ayala JM, Lopez-Dieguez Y, Rojas-Laguna R. Magnetic Field Sensing Based on Bi-Tapered Optical Fibers Using Spectral Phase Analysis. Sensors. 2017; 17(10):2393.Chicago/Turabian Style
Herrera-Piad, Luis A.; Haus, Joseph W.; Jauregui-Vazquez, Daniel; Sierra-Hernandez, Juan M.; Estudillo-Ayala, Julian M.; Lopez-Dieguez, Yanelis; Rojas-Laguna, Roberto. 2017. "Magnetic Field Sensing Based on Bi-Tapered Optical Fibers Using Spectral Phase Analysis." Sensors 17, no. 10: 2393.
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