当激光束投射在浮雕光栅上，透过光栅的衍射光斑就反映了浮雕光栅的表面信息。
When the laser beams project in the relief gratings, its transmission diffraction patterns represent the surface informations of the relief gratings.
本文提出了用等离子体蚀刻法提高浮雕全息光栅衍射效率的原理和方法。
The principle and method to improve the diffraction efficiency of relief holographic gratings by plasma etch is presented in this paper.
本文讨论了以浮雕型正弦表面光栅作成的反射共振滤波器的旁带反射率和滤波带宽的特点。
This paper discusses the character of reflectance of side bands and domain of filter for reflection type resonance filter made by sinusoidal relief grating.
应用推荐