What is Optical Wavelength?
When there is a medium which has refractive index µ we have to use optical wavelength λµ.
The relation between optical wavelength and geometrical wavelength is given by
λ = Geometrical wavelength
µ = Refractive index of medium
When there is a medium which has refractive index µ we have to use optical wavelength λµ.
The relation between optical wavelength and geometrical wavelength is given by
λµ = λ / µ
λµ = Optical
wavelength
λ = Geometrical wavelength
µ = Refractive index of medium