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高衍射效率是优质模压全息图的重要指标之一，它与许多因素有关，本文着重研究了它与光刻胶母版沟纹深度之间的关系，给出了最佳效率ＰＥＴ（聚酯薄膜）模压全息图对光刻胶母版的要求条件。
High diffraction efficiency is one of the most important indexes of high quality molded hologram. It is related to many factors. This paper focuses on the relationship between it and the groove depth of photoresist masters, and gives the best efficiency PET Molded hologram requirements for photoresist masters.