Before revision: The real (blue solid line) and imaginary (orange dashed line) components of relative permittivity are plotted for a single oscillator model with parameters 23.8 THz (12.6 m), 3.305, 0.006, and 6.7 .
After revision: The real (blue solid line) and imaginary (orange dashed line) components of relative permittivity are plotted for a single oscillator model with parameters , , and .