Loop-to-Loop Magnetic Coupling Through a Circular Aperture in a Planar PEC Screen of Finite Thickness

Loop-to-Loop Magnetic Coupling Through a Circular Aperture in a Planar PEC Screen of Finite Thickness

An analytical formulation for magnetic field penetration through a circular aperture in a thin perfect electric conductor (PEC) screen with finite-thickness is developed. Especially, we propose an analytical formula for the magnetic coupling between two circular loops separated by the screen and pla...

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Veröffentlicht in:IEEE access 2022, Vol.10, p.116635-116641
Hauptverfasser: Zhou, Feiyan, Wu, Yan, Zhang, Zhixin, Gu, Lingyun, Bai, Xuefeng, Jiao, Chongqing
Format: Artikel
Sprache:eng
Schlagworte:
Apertures
Attenuation
Circular aperture
Conductors
Coupling
Couplings
Electric conductors
Finite element analysis
loop-to-loop magnetic coupling
Magnetic flux
Magnetic noise
magnetic quadrupole
Magnetic shielding
mutual inductance
Thickness
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Zusammenfassung:An analytical formulation for magnetic field penetration through a circular aperture in a thin perfect electric conductor (PEC) screen with finite-thickness is developed. Especially, we propose an analytical formula for the magnetic coupling between two circular loops separated by the screen and placed coaxially with the aperture. The formula is verified by finite element simulations and experimental data. The thickness effect is explained by the cut off attenuation of TE01 mode in the aperture. The influences of loop-screen-loop distance and loop radius on the coupling intensity are also investigated.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2022.3219473