Figure 7
From: Dynamically controllable plasmon induced transparency based on hybrid metal-graphene metamaterials

The real part (a) and imaginary part (b) frequency dependent surface conductivity of graphene corresponding to different Fermi energy.
From: Dynamically controllable plasmon induced transparency based on hybrid metal-graphene metamaterials

The real part (a) and imaginary part (b) frequency dependent surface conductivity of graphene corresponding to different Fermi energy.