Cylindrical Vector Beam for Vector Magnetic Field Sensing Based on Magnetic Fluid
IEEE Photonics Technology Letters(2021)
Abstract
Based on the unique polarization characteristic of the cylindrical vector beam, a new-type vector magnetic field sensing technique is proposed. As the cylindrical vector beam passes through a magnetic fluid film, a polarization analyzer is used to detect the polarization state change of the output light after passing through a slit. Based on the birefringence effect, the direction of the magnetic ...
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Key words
Magnetic fields,Sensors,Azimuth,Laser beams,Saturation magnetization,Magnetic liquids,Optical polarization
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