Narrowband perfect terahertz absorber based on polar-dielectrics metasurface
Zhao Meng-Meng1, Fu Shu-Fang1, †, Zhou Sheng1, 2, ‡, Song Yu-Ling1, Zhang Qiang1, Yin Yong-Qi1, Zhao Yu-Tian1, Liang Hong3, Wang Xuan-Zhang1
       

Absorption spectra for the split width: (a) absorption of PA, and (b) the electric field patterns at the top surface of PA with d2 = 0.5 μm, 1.0 μm, 1.5 μm, and 2.0 μm.