Tunable wideband absorber based on resistively loaded lossy high-impedance surface

Dang Ke-Zheng, Shi Jia-Ming†, Wang Jia-Chun, Lin Zhi-Dan, Wang Qi-Chao

Three-dimensional sketch of the absorber, showing (a) oblique view, (b) top view of the unit cell, and (c) side view. Detailed dimensions: p = 22 mm, w = 2 mm, l = 6 mm, and d = 5 mm.