Results 21 to 30 of about 12,220 (301)
Fiber Optic Sensors Based on the Faraday Effect
Sensors, 2021 Some 175 years ago Michael Faraday discovered magnetic circular birefringence, now commonly known as the Faraday effect. Sensing the magnetic field through the influence that the field has on light within the fiber optic sensor offers several advantages,
Pedja Mihailovic, Slobodan Petricevic
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Resonantly enhanced Faraday rotation in a microcoil current sensor [PDF]
, 2012 A proof-of-principle experimental demonstration with theoretical modeling is presented for resonantly enhanced Faraday rotation in a microcoil current sensor.
Ismaeel, R. +6 more
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Fiber-Optic Sensor for Aircraft Lightning Current Measurement [PDF]
4th AIAA Atmospheric and Space Environments Conference, 2012 An electric current sensor based on Faraday rotation effect in optical fiber was developed for measuring aircraft lightning current. Compared to traditional sensors, the design has many advantages including the ability to measure total current and to conform to structure geometries.
Truong X. Nguyen +5 more
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A fibre optic sensor for the measurement of surface roughness and displacement using artificial neural networks [PDF]
, 1997 This paper presents a fiber optic sensor system, artificial neural networks (fast back-propagation) are employed for the data processing. The use of the neural networks makes it possible for the sensor to be used both for surface roughness and ...
Butler, C, Lu, Y, Zhang, K, Yang, QP
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Thin bonding wires temperature measurement using optical fiber sensors [PDF]
, 2011 In this work we demonstrate the use of optical fiber sensors to measure temperature in thin metallic bonding wires. Temperature was measured in copper wires with diameter of 0.10, 0.28, 0.60 and 0.70 mm and for different values of the driven electrical ...
P. Antunes +14 more
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A broadband Faraday fiber-optic current sensor with excess noise compensation
Results in Physics, 2020 A Faraday fiber-optic current sensor with suppression of excess noise produced by a low-coherent light source is presented. The sensor is designed to detect short current pulses and represents an in-line interferometer with a sensing element based on a ...
V.P. Gubin +4 more
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Intra-cavity spectroscopy using amplified spontaneous emission in fiber lasers [PDF]
, 2011 Fiber laser sources offer interesting possibilities for gas sensors since they can operate over an extended wavelength range, encompassing the near-IR absorption lines of a number of important gases but a major problem is that overtone absorption lines ...
Norhana Arsad +7 more
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Fiber-Optic Chemical Sensors and Fiber-Optic Bio-Sensors
Sensors, 2015 This review summarizes principles and current stage of development of fiber-optic chemical sensors (FOCS) and biosensors (FOBS). Fiber optic sensor (FOS) systems use the ability of optical fibers (OF) to guide the light in the spectral range from ...
Marie Pospíšilová +2 more
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Simulation analysis of temperature effects on all-fiber optic current sensor
Energy Reports, 2021 Temperature is the main factor restricting the application of all-fiber current sensors. To comprehensively analyze temperature influences, the influences of temperature on Verdet constant, birefringence, and phase delay of the quarter-wave plate are ...
Jianhua Wu +3 more
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Distributed photonic instrumentation for smart grids [PDF]
, 2013 Photonic sensor networks possess the unique potential to provide the instrumentation infrastructure required in future smart grids by simultaneously addressing the issues of metrology and communications.
Pawel Niewczas +13 more
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