Metamaterial Perfect Absorber Design

Design broadband and narrowband electromagnetic absorbers achieving >99% absorption through impedance matching with metal-insulator-metal (MIM) structures.

Structure Type

Geometry

Period (μm) 20 μm

Patch Size (μm) 15 μm

Dielectric Thickness (nm) 500 nm

Metal Thickness (nm) 100 nm

Materials

Top Metal

Dielectric

Absorption Spectrum

Impedance Matching

Angular Response

99.2%

Peak Absorption

10.5 THz

Center Frequency

1.2 THz

FWHM Bandwidth

Q = 8.7

Quality Factor

±45°

Angular Tolerance