As mentioned above, when the focus in a medium is on refraction rather than absorption--that is, on the real part of the refractive index--it is common to refer to the functional dependence of frequency on wavenumber as the "dispersion relation".
That is, on the real part of the refractive index, it is common to refer to the functional dependence of frequency on wavenumber as the "dispersion relation". As mentioned above, when the focus in a medium is on refraction rather than absorption.
As mentioned above, when the focus in a medium is on refraction rather than absorption. That is, on the real part of the refractive index, it is common to refer to the functional dependence of frequency on wavenumber as the "dispersion relation".
As mentioned above, when the focus in a medium is on refraction rather than absorption. That is, on the real part of the refractive index, it is common to refer to the functional dependence of frequency on wavenumber as the "dispersion relation".