دوره 17، شماره 2 - ( 3-1402 )
جلد 17 شماره 2 صفحات 204-195 |
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Khazaei A M, Afsharipour F, Mashayekhi H R, Yeganeh M. Theoretical and Experimental Investigation of Plane Wave Diffraction from an Amplitude Modified Fresnel Zone Plate. IJOP 2023; 17 (2) :195-204
URL: http://ijop.ir/article-1-569-fa.html
URL: http://ijop.ir/article-1-569-fa.html
Theoretical and Experimental Investigation of Plane Wave Diffraction from an Amplitude Modified Fresnel Zone Plate. . 1402; 17 (2) :195-204
چکیده: (1002 مشاهده)
A new class of gratings is produced by combining the radial grating (RG) with the Fresnel zone plate (FZP). Besides having an azimuthal periodicity, these gratings focus the incident beam at a specific distance. This paper investigated the diffraction from modified Fresnel zone gratings (MFZGs) theoretically and experimentally. Our approach was to solve the Fresnel-Kirchhoff integral in the cylindrical coordinate system for a plane beam on an MFZG. The experimental results of diffraction patterns of a laser beam from the amplitude type of MFZGs confirmed the theoretical predictions well. The near-field diffraction patterns agreed with the patterns obtained from theoretical calculations.
نوع مطالعه: پژوهشي |
موضوع مقاله:
اپتیک فوریه، هولوگرافی، سیستم‌های تصویر برداری
دریافت: 1403/4/24 | ویرایش نهایی: 1404/3/10 | پذیرش: 1403/6/20 | انتشار: 1403/6/22
دریافت: 1403/4/24 | ویرایش نهایی: 1404/3/10 | پذیرش: 1403/6/20 | انتشار: 1403/6/22
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