Engineering Electromagnetic Wave Propagation in Periodically Layered Gyromagnetic Metamaterials with an External Magnetic Field

Plasmonics ◽  
2019 ◽  
Vol 14 (5) ◽  
pp. 1243-1251 ◽  
Author(s):  
Xiongshuo Yan ◽  
Guanghui Wang ◽  
Dongmei Deng
Keyword(s):  
Magnetic Field ◽  
Wave Propagation ◽  
Electromagnetic Wave ◽  
External Magnetic Field ◽  
Electromagnetic Wave Propagation

Theoretical Study of Transmissivity of Electromagnetic Wave in Magnetorheological Fluids

2012 ◽  
Vol 605-607 ◽  
pp. 1356-1359
Author(s):  
Yong Qing Wan ◽  
Ji Jun Fan ◽  
Nan Hui Yu
Keyword(s):  
Magnetic Field ◽  
Dielectric Constant ◽  
Magnetic Properties ◽  
Electromagnetic Wave ◽  
External Magnetic Field ◽  
Electromagnetic Wave Propagation ◽  
Theoretical Study ◽  
Magnetorheological Fluid ◽  
Theoretical Simulation ◽  
Mr Fluids

The internal structure of magnetorheological fluid could change under external magnetic field, as well as its dielectric constant and magnetic conductance. A theoretical model of electromagnetic wave propagation in MRF was established and the basic formula of transmissivity was deduced. Theoretical simulation shows that the electromagnetic wave transmissivity decreases with the increasing of dielectric constant of magnetorheological fluid, and increases with the magnetic permeability. Theoretical analysis indicates that the change of its structure and dielectric magnetic properties of MR fluids is the main cause for the fact that the transmittance could be adjusted under external magnetic field.

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