Design and theoretical investigation of a switchable and tunable terahertz absorber based on graphene and vanadium dioxide

Key Points

• The aim is to explore a switchable and tunable terahertz absorber utilizing a graphene and vanadium dioxide metamaterial.
• Theoretical design based on transmission line theory and impedance matching.
• Analysis of performance under varying polarization and incident angles.
• Achieves stable terahertz absorption with adjustable properties based on the impedance.
• Demonstrates effective performance across multiple polarization states and angles of incidence.