Recent content by skmaidulhaque

Thanks for your reply. I could not follow this part of your reply. "(obviously one must have at least one point where the derivative reverts the sign so that the index will approach the vacuum permittivity again as we expect of materials when we go to infinite frequency)" Regarding the...

I think, it is like this. When there was dielectric witin the capacitor and the circuit was connected, there was a steady current, I in the circuit from +ve to -ve external to the DC source. Now, when you remove the dielectric, some amount of charge will flow in the direction as opposed to I...

In the context of complex refractive index, is it possible to apply the Kramer-Kronig relation in the region of normal dispersion ? What I want to do is the following. I can measure real part of complex refractive index of a material, n in the limited range of 200-1000 nm wavelength where...