Modeling for multi-resonant behavior of broadband metamaterial absorber with geometrical substrate*

Project supported by the National Natural Science Foundation of China (Grant No. 51302312), the Fund for Discipline Construction of Beijing University of Chemical Technology (Grant No. XK1702), and the Fundamental Research Funds for the Central Universities, China (Grant No. Jd1601).

Zhang Kai-Lun1, Hou Zhi-Ling1, †, Bi Song2, Fang Hui-Min1
       

(color online) (a) Reflection loss of GAS, (b) reflection loss of metamaterial absorber with GAS at l = 8 mm and d = 0.5 mm, (c) reflection losses at different side lengths, and (d) reflection losses at different widths for metamaterial absorber with GAS.