دوره 16، شماره 2 - ( 4-1401 )
جلد 16 شماره 2 صفحات 176-171 |
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Mosavat Shahreza S, Moosavi S A, Saghafifar H. Evaluation of Diffraction Orders Efficiency of Laguerre-Gaussian Beam Generated by the Phase and Amplitude Fork Grating Applied on Spatial Light Modulator. IJOP 2022; 16 (2) :171-176
URL: http://ijop.ir/article-1-523-fa.html
URL: http://ijop.ir/article-1-523-fa.html
Evaluation of Diffraction Orders Efficiency of Laguerre-Gaussian Beam Generated by the Phase and Amplitude Fork Grating Applied on Spatial Light Modulator. . 1401; 16 (2) :171-176
چکیده: (903 مشاهده)
In this paper, Laguerre-Gaussian beams are produced by Computer Generated Hologram (CGH) on Spatial Light Modulator (SLM). The realization of CGH on SLM is simulated by the scalar diffraction theory. At first, Laguerre-Gaussian beam generation process is simulated by diffraction of laser light from phase and amplitude fork gratings in two types: blazed and binary grating and the results are compared. The higher efficiency is obtained for the blazed phase grating in the first order which is more important in our study. Recorded data from the experiment shows a good agreement with simulation results. In order to evaluate the topological charge of the generated Laguerre-Gaussian beam, the Mach-Zehnder interferometer setup is used.
نوع مطالعه: پژوهشي |
موضوع مقاله:
ادوات اپتیکی و اندازهگیریها
دریافت: 1401/12/1 | ویرایش نهایی: 1402/3/30 | پذیرش: 1402/2/16 | انتشار: 1402/3/29
دریافت: 1401/12/1 | ویرایش نهایی: 1402/3/30 | پذیرش: 1402/2/16 | انتشار: 1402/3/29
فهرست منابع
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