Experimental investigations of microwave absorber with FSS embedded in carbon fiber composite

In this paper, we present the experimental results of microwave absorbers with a frequency‐selective surface (FSS) embedded in an impedance‐graded carbon fiber (CF) composite. Samples with different FSS patterns embedded in CF composites are fabricated, and experiments are carried out to find the effects of embedded FSSs. It is found that both the FSS pattern and its location in the composite are critical for the reflection property of the sample. The results are compared with the theoretical predictions using the microgenetic algorithm (MGA), and are in good agreement.