Optimization of loss and gain multilayers for reducing the scattering of a perfect conducting cylinder
Yu Zhen-Zhong†, 
, Zhao Guo-Shu, Sun Gang, Si Hai-Fei, Yang Zhong
, Zhao Guo-Shu, Sun Gang, Si Hai-Fei, Yang Zhong TM plane wave incident on a PEC cylinder surrounded by multi-layers of alternating material A and material B. The inner and outer radii of the coating are
