Results 11 to 20 of about 9,525,699 (289)

Temperature-Insensitive Magnetic Field Sensor Based on Nanoparticle Magnetic Fluid and Photonic Crystal Fiber

open access: yesIEEE Photonics Journal, 2012
A novel magnetic field sensor based on the magnetic fluid and Mach-Zehnder interferometer is proposed. The sensor takes advantage of the tunable refractive index property of the magnetic fluid and the modal interference property of the collapsed photonic
Peng Zu   +8 more
doaj   +3 more sources

Longitudinal spatial characterisation of optical fibre erbium distributed feedback laser under the motion of steady magnetic field [PDF]

open access: yes, 2014
The spatial sensitivity of an erbium doped optical fibre distributed feedback (DFB) laser to an external magnetic field is reported. Intrinsic birefringence of the laser cavity allows lasing in two orthogonal modes.
Yuan Yao   +3 more
core   +4 more sources

Finite Element Analysis of Metal Weapons in a Time-domain Transient Magnetic Field [PDF]

open access: yes, 2010
A method of secondary magnetic field analysis of metal objects in time-domain transient magnetic field is established by modification of finite element analysis.
Pati, Prasanta, Mather, Peter
core   +4 more sources

Magnetic Field Sensing Based on Whispering Gallery Mode with Nanostructured Magnetic Fluid-Infiltrated Photonic Crystal Fiber

open access: yesNanomaterials, 2022
A kind of novel and compact magnetic field sensor has been proposed and investigated experimentally. The proposed sensor consists of a tapered single mode fiber coupled with a nanostructured magnetic fluid-infiltrated photonic crystal fiber, which is ...
Chencheng Zhang   +5 more
doaj   +1 more source

Harvesting energy from magnetic fields to power condition monitoring sensors [PDF]

open access: yes, 2013
Condition monitoring is playing an increasingly important role within electrical power networks, where its use can help to reduce maintenance costs, improve supply reliability and permit increased utilization of equipment capacity by providing a measure ...
Judd, Martin, Roscoe, Nina
core   +4 more sources

Characterization of Fiber-Optic Vector Magnetic Field Sensors Based on the Magneto-Strictive Effect

open access: yesSensors, 2023
Fiber-optic magnetic field sensors have garnered considerable attention in the field of marine monitoring due to their compact size, robust anti-electromagnetic interference capabilities, corrosion resistance, high sensitivity, ease of multiplexing and ...
Ning Li   +8 more
doaj   +1 more source

Tensor coaxial calibration of magnetic sensor array

open access: yesXibei Gongye Daxue Xuebao, 2022
In order to effectively solve the influence of the magnetic sensor array error caused by axial inconsistency on the measurement accuracy, an array composed of four fluxgate sensors is built by using the Euler rotation matrix, and the consistency ...
LEI Yiqin   +4 more
doaj   +1 more source

CMOS magnetic-field sensor system

open access: yes, 2022
S.1002-1005A magnetic-field sensor system integrated in CMOS technology with additional processing steps necessary for sensor fabrication is presented.
Sprotte, A.   +4 more
core   +3 more sources

A Real-Time Online Correction Method for Magnetic Field Interference on High-Speed Rotating Projectile [PDF]

open access: yesHangkong bingqi, 2023
The accurate measurement of roll angle is the premise of precise guidance and control of controlled high-speed rotating projectile. However, the geomagnetic attitude measurement method based on magnetic sensor will affect the accuracy of magnetic sensor ...
Wang Fan, Zhang Xiaoming, Cao Yuan, Zhou Jie, Liu Jun, Li Jie
doaj   +1 more source

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