23 August 2017 A dual tapered Mach-Zehnder interferometer for magnetic field sensing
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A magnetic field sensor based on a Mach-Zehnder interferometer with standard single mode fiber (SMF-28) is proposed. Here, the MZI was developed by using tapered optical fiber technique. Moreover, the Mach-Zehnder interferometer is manufactured with two tapers, with a core diameter of 25~40 μm and a length of 5 mm, and a separation between the tapers about of 4~6.5 cm. The MZI was covered by a fluid with magnetic proprieties. Performing experiments with magnets, coils and transformers, hoping that the proposed sensor offers a good option to measure the magnetic field in electrical devices.
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E. A. Hernandez-Robles, E. A. Hernandez-Robles, J. M. Estudillo-Ayala, J. M. Estudillo-Ayala, J. M. Sierra-Hernandez, J. M. Sierra-Hernandez, D. Jauregui-Vazquez, D. Jauregui-Vazquez, J. C. Hernandez-Garcia, J. C. Hernandez-Garcia, R. Rojas-Laguna, R. Rojas-Laguna, J. R. Martinez-Angulo, J. R. Martinez-Angulo, } "A dual tapered Mach-Zehnder interferometer for magnetic field sensing", Proc. SPIE 10382, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XI, 103820Y (23 August 2017); doi: 10.1117/12.2273956; https://doi.org/10.1117/12.2273956

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