bragg condition meaning in English

布拉格条件
布喇格条件

In the end , the properties of volume holograms and the filtering principles of multiple photorefractive volume gratings are discussed by using volume holograms theory and bragg condition
最后从体全息理论出发，结合布拉格条件，讨论了多重体全息相位栅的滤波原理。
The holographic lens , which is designed according to bragg condition to eliminate aberrations , has both high efficiency and low aberration , and can be used in a certain narrow - band condition . a example and its results are also given in this paper
该方法采用双片离轴全息透镜复合，按使用条件在布喇格条件下进行消三级像差设计，制作设计的全息透镜具有高衍射效率高、像差小的特点，可以满足任意给定的窄带光场合。