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Recently, a cloaking technology using reflecting elements has been marked. Cloaking devices using reflectarray have simple and very thin structure, so they are especially suitable for cloaking. This paper proposes a carpet cloaking using wideband reflectarray.
This paper proposes novel reflectarray elements with four axial symmetry(including axial and rotational symmetry) for dual-polarization and wideband use. These elements provide reflection phase range of 360° over the wide frequency range by changing their shapes, and also have low cross polarization properties. We design an offset feed reflectarray constructed by the proposed elements in the Ku-band,...
This paper proposes new reflectarray elements for dual-polarization wideband use. These elements provide low cross polarization property and almost linear phase property for the frequency, thereby achieving the desirable reflection phase over the wide frequency range. To verify effectiveness of the proposed elements, a reflectarray with offset feed is constructed by them, and also is wideband frequency...
This paper proposes new reflectarray elements for dual-polarization and wideband use. These elements provide linear phase property with the same slop characteristics for dual polarization, thereby achieving the desirable reflection phase over wide frequency range. To verify effectiveness of the proposed elements, we present an offset reflectarray designed by using them, and also confirm wideband frequency...
This paper proposes new reflectarray elements for dual-polarization and wideband use. These elements provide liner phase property with the same slope characteristics for dual polarization, thereby achieving the desirable reflection phase over wide frequency range. The usefulness of the proposed elements is verified by comparing between the calculated reflection phase for periodic reflectarray and...
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