The special expressions for the phase retarders can be obtained by taking suitable parameter values in the general expression for a birefringent material. In the general expression: The relative phase retardation induced between the fast axis and the slow axis is given by is the orientation of the fast axis with respect to the x-axis. is the circularity.
The special expressions for the phase retarders can be obtained by taking suitable parameter values in the general expression for a birefringent material. In th.e: general expression The relative phase retardation induced between the fast axis and the slow axis is given by is the orientation of the fast :axis with respect to the x-axis. is the circularity.