Narrowband perfect terahertz absorber based on polar-dielectrics metasurface

Zhao Meng-Meng¹, Fu Shu-Fang^{1, †}, Zhou Sheng^{1, 2, ‡}, Song Yu-Ling¹, Zhang Qiang¹, Yin Yong-Qi¹, Zhao Yu-Tian¹, Liang Hong³, Wang Xuan-Zhang¹

Absorption spectra of TE and TM wave incidence. The red line for the PC layer with TE wave, black line for PAMS with TE wave and blue line for PAMS with TM wave. The inset shows the electric field patterns at the absorption peak of the PAMS for TE and TM polarizations.