从而为优化菱体型相位延迟器的消色差性，扩大材料的选取范围提供理论指导。
So the theoretical basis is provided for optimizing achromatism of the rhomb-type retarder and the material selecting scope can be extended.
根据全反射相变理论设计了菲涅耳菱体型相位延迟器延迟量对入射角变化不敏感的结构角。
Based on the total-reflection phase transformation theory, the Fresnel rhomb retarder is obtained with a structure Angle with which the phase retardation is insensitive to the Angle of incidence.
本文给出了一种新型的相位延迟器——光纤相位延迟器的设计方案，工作原理及理论分析结果。
A novel phase retardation device, optical fiber phase retardation device, is designed. Its working principle is analysed theoretically.
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