本文叙述了平面衍射光栅分辨率及其半宽度测量法。
In this paper resolving power of diffraction gratings and its measuring methods in width at half height of central peak are described.
本文提出了一种快速自动测试平面光栅光谱衍射效率曲线的新方法。
This paper suggests a new method of rapid and automatic measuring the spectral diffraction efficiency curve of plane grating.
本文提出了一种双光束检测器测试平面光栅衍射效率的新方法。
A new method for measuring the spectral diffraction efficiency of plane grating with double-beam and single detector is suggested.
将体全息光栅视为许多平面全息光栅的集合，利用平面全息衍射理论导出体全息光栅衍射的耦合波方程，并得到其衍射效。
And, using the planar hologram diffraction theory, the coupled wave equations of the volumetric hologram grating diffraction have been derived and the diffraction efficiencies obtained.
作为波分复用中最关键的器件，蚀刻衍射光栅(EDG)是平面波导密集波分复用器件中很有发展潜力的一种。
As the key device of a DWDM system, Etching Diffraction Grating (EDG) is one of the most potential types of planar waveguide DWDM devices.
置一位相光栅于相干光学处理系统频谱平面，利用其零级与一级衍射光的相干迭加实现图象相减。
With a phase grating located at Fourier frequency plane, optical image subtraction is obtained as a result of the coherent superposition of the zeroth and the first order of the diffracted light.
这种矢量模式方法物理概念清晰且稳定收敛，可以处理任意偏振态平面波入射到二维亚波长金属光栅中的衍射问题。
Physical idea of the vector method is clear, stable and convergent. The diffraction problem of plane wave with polarization incident upon 2-d sub-wavelength metal gratings can be processed.
在第四章，根据标量衍射理论，首先讨论了两平面波干涉场的空间分布与平行投影正弦光栅的等价性。
In chapter 4, According to the theory of scalar diffraction, firstly, the equipollence of spatial distribution of the plane-wave interferential field and parallel projective sine grating is discussed.
在第四章，根据标量衍射理论，首先讨论了两平面波干涉场的空间分布与平行投影正弦光栅的等价性。
In chapter 4, According to the theory of scalar diffraction, firstly, the equipollence of spatial distribution of the plane-wave interferential field and parallel projective sine grating is discussed.
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