varied line space grating 变栅距光栅
varied-line-space grating 变线距光栅
varied-line space grating 变栅距光栅
varied line-space grating 变线距光栅
varied-line-space gratings 变线距光栅
a varied-line-space grating 变线距光栅
The general formula of the light strength distribution for a varied-line space grating is introduced. The concept of complex factor of diffraction-interference is conducted.
本文给出了不等距光栅衍射光强度分布的一般公式，并引出了衍射—干涉复合因子的概念。
On the basis of Fraunhofer diffraction theory, the diffraction patterns of a Varied Line-space (VLS) grating were obtained for incidence beam in parallel and uniform.
基于夫琅禾费衍射理论，推导了平行光入射变栅距光栅后衍射光强的角度分布。
The line density of varied-line-space gratings have been measured by using interferometry. The principle and geometry are introduced, the methods of data processing and the results are given.
用干涉法测量变线距光栅的线密度，给出了测量原理、实验中的光路、数据处理的方法、测量结果。
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