We propose high sensitivity fiber optic current sensor based on recirculating fiber loop architecture. We experimentally achieved a sensitivity of 11.5 degrees per ampere and a resolution of 10 mA using
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The FOCS Series Fiber Optical Current Sensors are passive, all-dielectric devices designed for precise current measurement without metal components, making them immune to electromagnetic
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This paper present the design of a current sensor based on Faraday Effect using optical fibers devices and a polarizing beam splitter (PBS). Two different schematics are to be taken into account, for high
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Abstract fiber-optic current sensor for direct currents up to 500 kA is presented. Applications include the control of the electrolysis process for the production of metals such as aluminium, copper,
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The article describes an approach for simulating the fiber optic electric field sensor with a sensitive element operating on the Pockels effect arising in an optical waveguide recorded in a lithium
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A fiber-optic Fabry-Perot interferometer (FPI) is proposed and demonstrated as an electric current sensor based on ohmic heating with temperature self-compensation.
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The article is focused on the fiber optic current meter with FPGA-based data processing. The sensor element operation is based on the Faraday
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In this paper, a fiber-optic sensor based on Brillouin optical correlation-domain reflectometry (BOCDR) with a high repetition rate and real
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Architecture of the hybrid voltage sensor element, comprising an FBG bonded to a stack of piezoelectric elements. CT-based optical current sensor for use with fibre Bragg grating interrogation
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In this article, a compact fiber-optic current sensor (FOCS) based on an in-fiber Fabry–Pérot interferometer (FPI) and a magnetostrictive transducer is presented.
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Preserving the stable operation and proper functionality of the electric power grid is of utmost importance. Integral grid components such as power transformers are negatively affected by
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The article is focused on the fiber optic current meter with FPGA-based data processing. The sensor element operation is based on the Faraday effect which occurs in the Spun optical fiber twisted
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FPGA-Based High-Speed Optical Fiber Sensor Based on Multitone-Mixing Interferometry Javier Elaskar, Marcelo A. Luda, Lorenzo Tozzetti, Jorge Codnia, and Claudio J. Oton
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This paper proposes an optical fiber sensor signal monitoring system based on FPGA to solve the problems such as the phase adjustment accuracy of optical fiber sensor.
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Another important topic is the resonances generated when using thin films in conjunction with optical fibers, and the enormous potential of sensors based on
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We managed to bypass the complexity of tools by using LabVIEW FPGA and National Instruments hardware platform to rapidly implement control and demodulation functionality into a
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In this study, we developed an optical fiber sensor by combining: (a) a Michelson interferometer, (b) a micro-electro-mechanical system (MEMS)
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A fiber-optic current sensor implementing the differential measurement to measure currents up to tens of megaamperes is proposed. The sensor is based on a reflective interferometer with a sensing coil
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We report a real-time high-speed fiber Bragg grating (FBG) interrogator based on a fiber-optic interferometer. The signal processing is performed by using a low-cost fieldprogrammable gate array
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Long-term current monitoring with low noise is essential for smart energy. This paper introduces a resonant fiber optic current sensor utilizing a broadband source and linear cavity. The
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A highly accurate fiber-optic current sensor for direct currents up to 500 kA is presented. Applications include the control of the electrolysis process for the production of metals such as
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Fiber-optic sensor arrays are always organized utilizing hybrid time division multiplexing (TDM)/wavelength division multiplexing (WDM) techniques to share some common optical
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Polarization closed-loop fiber-optic current sensing is demonstrated for pulsed-power current metrology. A Bi-substituted Faraday rotator maintains the operating point near 45 ∘, and an FPGA implements
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We report a real-time high-speed fiber Bragg grating (FBG) interrogator based on a fiber-optic interferometer.
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Optical fiber current sensor (OFCS) based on Faraday magneto-optic effect has many advantages of immunity against electromagnetic interference, high sensitivity and wide dynamic range.
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Traditional current sensors already can not meet these needs of grid metering and protection. This paper proposes a fiber-optic current sensor (FOCS) based on fuzzy PI control strategy which
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PDF | This paper presents the design, fabrication, and characterization of two compact fiber-optic current sensors (FOCS) based on
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A team of researchers, led by Nokia Bell Labs, has demonstrated how a simple optical fiber can be turned into a functional sensor — monitoring both the health
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A modulation-free, low-cost fiber optic current sensor based on a broadband source and a single-mode linear resonant cavity is presented. The
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Our model makes it easy to reconfigure the optical scheme of the current sensor to explore implementations of different configurations.
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