A Single-Layer Wideband Microwave Absorber with Reactive Screen

With the development of radar technology, reduction of radar cross section (RCS) is becoming more and more important in the electromagnetic field. Microwave absorber is one of main methods to reduce radar cross section. In this work, we propose a novel design of microwave absorber with resistive screen. The equivalent circuit method is implemented in the design and we adjust values of L and C to get a better result. In addition, it has the good performance with total thickness is 0.25λ and it covers the frequency range from 3.4 GHz to 15.85 GHz. Furthermore, the reflection peak reaches -18.2 dB at 14.2 GHz. Finally, we draw a conclusion that the microwave absorber that we proposed is better design.