在北京同步辐射源上实验标定了这些光栅的相对衍射效率。
Relative diffraction efficiencies for these gratings have been calibrated on synchrotron radiation source.
光致聚合物是一种用于激光全息存储的新型材料，它具有衍射效率高、制作工艺相对简单、易于保存等优点。
Photopolymer is a new material for holographic storage; it has a number of compelling properties such as high diffraction efficiency, relatively simple fabrication process, and long persistence.
对于无吸收的光栅，参考光束相对物光束越宽，衍射效率将越高。
The results show that diffraction efficiency of a lossless grating increases with the higher ratio of reference beam width to object beam width.
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