5 EASY FACTS ABOUT BIREFRINGENT CRYSTAL DESCRIBED

各向异性透明晶体如方解石、石英等的折射率，是其固有的特性，称为永久双折射。The lessen segment in the Michel-Levy chart (x-axis) marks the orders of retardation in multiples of somewhere around 550 nanometers. The world amongst zero and 550 nanometers is recognized as the initial purchase of polarization colours,