A Breaching of Electromagnetic Shielding by Narrow Aperture in Metal Film

다국어 초록 (Multilingual Abstract)

We report a theoretical research for the condition of electromagnetic shield breaching when a narrowaperture is punctured in thin metal film. To calculate electromagnetic field transmission through a narrowslit, a Rayleigh wave expansion has been applied for free standing, thin metal film. We found that theDC electric field allows perfect transmission when the length of the slit is infinite, regardless of the othergeometrical factors such as slitwidth and thickness. Slitwidth dependent transmission spectra as a functionof frequency shows a cutoff frequency that decreases almost linearly to the slitwidth, giving that almostsuccessful shielding is only possible when the slitwidth is smaller than 1 micron.

참고문헌 (Reference)

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