Results 1 to 10 of about 11,329 (164)
Research on the Dual Modulation of All-Fiber Optic Current Sensor [PDF]
Sensors, 2022 Acousto-optic modulator (AOM) and electro-optical modulator (EOM) are applied to realize the all-fiber current sensor with a pulsed light source. The pulsed light is realized by amplitude modulation with AOM.
Jianhua Wu, Xiaofeng Zhang, Liang Chen
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Assessment of the Structural Vibration Effect on Plasma Current Measurement Using a Fiber Optic Current Sensor in ITER [PDF]
Sensors, 2023 In this paper, we assess the effect of cryostat bridge vibrations on the plasma current measurement accuracy when using a fiber optic current sensor (FOCS) in ITER.
Sung-Moon Kim +5 more
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A Novel Fiber-Optic Ice Sensor to Identify Ice Types Based on Total Reflection
Sensors, 2023 To address the issues of not accurately identifying ice types and thickness in current fiber-optic ice sensors, in this paper, we design a novel fiber-optic ice sensor based on the reflected light intensity modulation method and total reflection ...
Chi Zhang +8 more
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Research on measurement technology of optical fiber angle sensor based on MEA-BP [PDF]
Scientific ReportsHigh-voltage disconnectors operate under strong electromagnetic radiation for long periods, making it prone to incomplete opening and closing. Current electronic sensors used to detect their status are susceptible to electromagnetic interference, leading
Wang Lisha +6 more
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Fiber-Optic Pressure Sensors: Recent Advances in Sensing Mechanisms, Fabrication Technologies, and Multidisciplinary Applications [PDF]
SensorsFiber-optic sensing (FOS) technology has emerged as a cutting-edge research focus in the sensor field due to its miniaturized structure, high sensitivity, and remarkable electromagnetic interference immunity.
Yihang Wang +4 more
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IEEE Photonics Journal, 2022 We present a method to simultaneously measure the temperature and electric current, which can be applied for the all-fiber optic current sensor (AFOCS) temperature compensation.
Jianhua Wu +4 more
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Micromachined optical fiber current sensor [PDF]
Applied Optics, 1999 We describe a micromachined optical fiber current sensor. The sensing element consists of a squared silicon membrane (8 mm long and 20 microm thick) that has a cylindrical permanent magnet (NdFeB alloy, 3-mm diameter, 1.5 mm high) fixed on its central region.
Heredero, R.L. +5 more
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Intraluminal Monitoring of Micro Vessels. A Surgical Feasibility Study
Frontiers in Surgery, 2021 Objective: Monitoring of vessel perfusion is of high clinical importance in vascular anastomosis of free flaps. Current sensor systems are based on different principles and show limitations in validity and accuracy.
Leonard Walle +3 more
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A Fiber-Optic Current Sensor for Aerospace Applications [PDF]
Proceedings of the 25th Intersociety Energy Conversion Engineering Conference, 1990 A robust, accurate, broadband, AC sensor using fiber optics that is being developed for space applications at power frequencies as high as 20 kHz is described. It can also be used in low- and high-voltage 60-Hz terrestrial power systems and in 400-Hz aircraft systems.
R.L. Patterson +3 more
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Energy Reports, 2022 Measurement accuracy is essential for the all-fiber optic current sensor. Angle errors of axis alignment in the fusion processing affect the measurement accuracy with different modulation and demodulation methods.
Jianhua Wu +3 more
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