Abstract A tunable three-band absorber has been proposed and investigated in the terahertz (THz) with graphene strips. Three perfect absorption is elaborately analyzed electrical field induced surface current distribution. Owing to unique character of graphene, position intensity three peaks are flexibly regulated different Fermi energy chemical potential. Meanwhile, an on off modulation achiev...

Graphene-based metasurface nearly perfect absorbers (MPAs) can be used as an efficient tool for the active control and manipulation of waves in terahertz (THz) gap. Here, we propose a novel, to best our knowledge, graphene-based MPA that is designed based on simple configuration capable absorbing THz radiation within broad bandwidth almost 3 with polarization-insensitive omnidirectional charact...

This paper investigates the impact of finite number unit cells on sensing performance chosen THz metamaterial absorber. Sensor models with different varying from 16 to infinite have been created using WIPL-D software. The results comparison show that as sensor?s size increases, its absorption response becomes more similar one an sensor structure. Metamaterial absorber 50 expresses behavior in t...