Figure 6 : Conditions causing the EIT effect.

From: Electromagnetically induced transparency of a plasmonic metamaterial light absorber based on multilayered metallic nanoparticle sheets

Figure 6

TM calculations for the absorption spectra of the 135-nm-thick thin films of the Lorentz oscillator model on silver. Splitting of the absorption spectra depends on the extinction coefficient, namely, the oscillator strength.