1. These gratings act as prisms by diffracting light within the fiber. 通过光纤中的衍射光,这些光栅可以被看作三棱镜。
2. A method of spatial straightness measurement by means of non diffracting beam and moire fringe is proposed. 提出用无衍射光和莫尔条纹进行空间直线度测量的技术。
3. Color effect compositions, radiation diffracting material, and method for fixing particle array in substrate. 有色组合物,辐射衍射材料,以及将颗粒的阵列固定在基体中的方法。
4. The non diffracting beam is used as the measuring beam and a virtual detector is used to expand detector size. 该系统用无衍射光作测量光束,用虚拟探测器扩展探测器尺寸。
5. Precise positioning using moire signal from double grating diffracting has high sensitivity and positioning accuracy. 利用双光栅衍射得到的激光莫尔信号进行精密定位具有很高的灵敏度和定位精度。