Ziggurat Temple Shape Broadband Perfect Metamaterial Absorber for Terahertz Applications

A ziggurat temple shape broadband perfect metamaterial absorber (BPMMA) has been proposed in this manuscript This absorber consists of simple five layers, made of gold at the top and bottom. Also, quartz, nickel, and alumina are in the middle layers. The BPMMA being proposed has a high absorption rate of over 90% in the frequency range of 3.322-8.209 THz On average, it absorbs 97.591% of the radiation, with a maximum absorption rate of 99.999% occurring at 6.13 THz. Additionally, this absorber is not influenced by the polarization of the incoming light and is slightly affected by the angle at which the light strikes it, also flexible up to 10°. This BPMMA has the potential for various useful applications in the terahertz range. These applications include being used as modulators, sensors, and optic-electro switches.