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This paper proposed a dual resonant circular ring-shaped metamaterial absorber (MMAbs) with wide operating angle in X-band frequency. The structure is constructed on FR4 substrate. The resonating elements are designed using two circular rings structure with different radius. The resonating elements are printed on the top surface of FR4 substrate, while at the bottom layer; a full copper layer is placed...
We present the design, fabrication and characterization of a highly flexible metamaterial absorber that experimentally obtains an absorptivity of 0.96 at 1.6 THz and operates over wide angular range for transverse electric and transverse magnetic radiation.
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