Figure 5
From: Polarization-insensitive perfect absorption in van der waals hyper-structure
Reflectance spectra for different thickness of hBN: (a) TM polarized incident light and hBN thickness of 20 nm; (b) TE polarized incident light and hBN thickness of 20 nm; (c) TM polarized incident light and hBN thickness of 50 nm; (d) TE polarized incident light and hBN thickness of 20 nm (graphene thickness 0.34 nm, graphene’s chemical potential is 0.2 eV, and temperature 300 K).
