二维光栅（two-dimensional grating） 屏函数为二维周期函数，通常是由两个平面光栅合在一起彼此相交一定的角度，这样就组成了二维光栅。
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On the basic of plane micro-displacement employing single 2-D grating, the measurement system especially the light configuration and the signal detection circuit was researched.
基于平面二维光栅微位移测量理论的分析,研制了具有纳米分辨率的平面二维光栅实验测量系统。
参考来源 - 高精度二维平面光栅测量系统及关键技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
讨论了二维光栅光调制器阵列的表面弯曲度对衍射光学特性的影响。
The effect the diffractive optical characteristic by the surface bending of two-dimensional grating light modulator (GLM) is disaused.
实验与计算结果证明，合理地设计二维光栅，进行甚长波QWIP光耦合，可以获得有效的光耦合效果。
The experiment and analysis prove that effective grating coupling can be achieved through the reasonable design of a 2D grating for very long wavelength QWIPs.
本文研究了两种类型的二维横向剪切干涉仪：正交剪切棱镜型和网格光栅型。
Two types of two dimensional lateral shearing interferometers have been studied: orthogonal shearing prism and crossed grating.
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