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DEVICE AND METHOD FOR SHIELDING AT LEAST ONE SUB-WAVELENGTH-SCALE OBJECT FROM AN INCIDENT ELECTROMAGNETIC WAVE
DEVICE AND METHOD FOR SHIELDING AT LEAST ONE SUB-WAVELENGTH-SCALE OBJECT FROM AN INCIDENT ELECTROMAGNETIC WAVE
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机译:用于从入射电磁波屏蔽至少一个子波长尺度对象的装置和方法
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摘要
A device for shielding at least one sub-wavelength-scale object (10) from an electromagnetic wave (20), which is incident on said device, comprises at least one layer of a dielectric material (Media 1), a surface of which having at least one abrupt change of level forming a step. At least a lower and lateral part of said surface with respect to said step is in contact with a medium (111) having a refractive index (n2) lower than that (n1) of said dielectric material. Said at least one sub-wavelength-scale object (10) is located within said device in a quiet zone (QZ) where an electromagnetic field intensity is below a threshold, said quiet zone extending above said surface, in the vicinity of said step, in a direction of incidence of said electromagnetic wave (20).
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