The transmission angle is controlled by grating frequency and the diffraction efficiency is controlled by groove depth of sub-micro gratings to get uniformity of transmission filed.
亚微米光栅型导光板通过光栅空频控制出射光方向、控制槽深调节衍射效率，达到导光板出射光强的均匀性。
The method is qualified for measurement of groove depth and duty cycle simultaneously for the rectangle-shaped or similar profile of holographic grating mask.
对于要求同时检测矩形或接近矩形槽形的全息光刻胶光栅掩模的槽深和占宽比，该方法完全适用。
The efficiency of phase grating is limited by groove depth, material, duty ratio and wavelength.
衍射效率受光栅材料、凹槽厚度、占空比和所使用波长的影响。
The fabrication process is carefully controlled so that the grating groove and multilayer-coating parameters well meet the design targets.
由于对离子束刻蚀工艺和镀膜工艺的精细控制，光栅的槽形参数及多层膜参数良好地满足了设计要求。
The utility model has characteristics in that the sensor includes a shape memory alloy elbow, the fiber grating, a copper plate with groove and a copper base plate.
本实用新型的特征是由形状记忆合金弯管、光纤光栅、带槽铜片以及铜基片构成。
The groove pattern function was employed to express the curvature and groove space of aberration reducing gratings, and the dispersive system containing a single grating was discussed.
用光程函数和费马原理研究光栅的成像，用刻槽分布函数表示光栅的刻槽曲率及间距变化。
The results show that gratings with low groove density are superior to that of high density ones, if the groove misalignment is unavoidable.
结果表明，存在刻线失调时，低刻线密度的光栅具有更好的优越性。
Analytical expressions of groove parameters are derived up to the forth order with (ray-tracing) theory of geometry optics.
根据几何光学的光线追迹理论，推导了光栅参量的四阶解析表达式。
Primary researches on the groove density variations of bending grating were experimented.
对压弯光栅的线密度进行了实验研究。
The results show:the groove depth is more important for diffraction efficiency than the duty cycle, which is useful for fabrication of the BSG.
这些都为取样光栅的实际制作提供了有意义的结果。
A new method of high accuracy to measure the groove depth of rectangular relief gratings by laser diffraction is proposed.
提出一种浮雕矩形光栅刻槽深度的高精度衍射测量方法。
It is concluded that high-groove-efficiency blazed gratings used in the vacuum ultraviolet and soft X-ray wavelengths can be easily fabricated by this method at normal or near-normal incidences.
此方法可以应用于真空紫外和软x射线波段的光栅制作，在获得较高的槽形效率的同时，可以大大减少其制作难度及成本。
It is concluded that high-groove-efficiency blazed gratings used in the vacuum ultraviolet and soft X-ray wavelengths can be easily fabricated by this method at normal or near-normal incidences.
此方法可以应用于真空紫外和软x射线波段的光栅制作，在获得较高的槽形效率的同时，可以大大减少其制作难度及成本。
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