MOIRE FRINGE MULTIPLICATION OF SUPERIMPOSED GRATINGS IN COHERENT FILTERING SYSTEM.

被引：0
|
作者：
Gu, Jie [1 ]
Shen, Yongzhao [1 ]
Jiang, Jinhu [1 ]
Chen, Binquan [1 ]
机构：
[1] Suzhou Univ, China, Suzhou Univ, China
来源：
Guangxue Xuebao/Acta Optica Sinica | 1987年 / 7卷 / 06期
关键词：
INTERFEROMETRY - LIGHT - Coherent - OPTICAL GRATINGS;
D O I：
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中图分类号：
学科分类号：
摘要：
In this paper the principle of Fourier optics is used in treating the problem of moire fringe multiplication formed by two contact gratings. A continuous relationship between displacement and light intensity is obtained. The gratings may be amplitude type, phase type, or amplitude and phase type. Moire fringe multiplication under coherent illumination for both homogeneous and inhomogeneous deformation-field is considered. The resulting formulas have universal significance and agree fairly well with the experimental results obtained by D. Post.
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页码：519 / 523
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