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Tavasoli A, Hassani K. Investigating The Homogeneity and Isotropy in Transparent Samples by Combining The Ronchi-Talbot Interfrometer and Moiré Effect. ICOP & ICPET _ INPC _ ICOFS 2018; 24 :861-864
URL: http://opsi.ir/article-1-1420-en.html
URL: http://opsi.ir/article-1-1420-en.html
1- Department of Physics, University of Tehran
Abstract: (2716 Views)
In this paper we use the combination of a Ronchi-Talbot grating interferometer with Moiré effect to investigate homogeneity and isotropy in transparent materials. A Ronchi grating is placed at the self-imaging position of the Ronchi-Talbot interferometer, and the magnifying property of the Moiré effect, helps to observe variations in the light wavefront passing through the sample. We use proper codes to analyze the Moiré fringes. The spatial resolution of our method is as small as 
micrometer in Moiré wave vector.
micrometer in Moiré wave vector.
Keywords: Ronchi-Talbot Interferometry, Talbot-Moiré Interferometry, Moiré Pattern Optimization, Moiré Pattern Processing, Homogenous in Transparent Material
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