Vishal Kumar Chakradhary, Shubham Juneja, Rakesh Roshan, M. Akhtar
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Cross Polarization Minimization by Unit Cell Modification in the FSS Structure Integrated with Carbon Nanocomposite Absorber
In this work, a novel cross polarization independent hexagonal ring shape FSS structure is developed to replace old truncated L shaped FSS structure integrated with CB nanocomposite sheet in the hybrid absorbers, proposed in our previous research work, to minimize the cross polar reflection coefficient (RC) [1]. The proposed novel hexagonal ring shape unit cell based FSS structure is combined with 10wt.% CB nanocomposite sheet. The resultant hybrid absorber attained wide absorption bandwidth of 4.1 GHz at 2.6 mm thickness with absorption value varying from 0.9 to 1 in the frequency range 8.88 to 12.98 GHz with negligible PCR value.