Ultra-wideband low radar cross-section metasurface and its application on waveguide slot antenna array*

Project supported by the National Natural Science Foundation of China (Grant Nos. 61671464, 61701523, and 61471389).

Cong Li-Li, Cao Xiang-Yu, Song Tao, Gao Jun
       

(color online) (a) Geometry and dimensions of AMC1, AMC2, and AMC3. (b) Schematic view of quadruple-triangle arrangement. P = 9 mm, a = 1.4 mm, a1 = 2.45 mm, b = 0.6 mm, b1 = 2.4 mm, b2 = 0.86 mm, W = 0.4 mm, W1 = 0.7 mm, W2 = 1 mm, W3 = 1 mm, L1 = 7.6 mm, L2 = 2.44 mm, and L3 = 1.1 mm.