then we have a summary to structure and principle of the Fresnel rhombs Mooney rhombs achromatic device 1 (AD-1) and achromatic device2(AD-2)srectangle prisms compound rhomb and all kinds of oblique-incidence rhomb phase retarders.

• 然后分别对菲涅耳菱体、穆尼菱体、消色差器1(AD-1)和消色差器2(AD-2)、直角棱镜复合菱体以及各类斜入射菱体型相位延迟器的结构、原理进行了综述。