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year 28, Issue 2 (ICOP & ICPET 2022 2022)
ICOP & ICPET _ INPC _ ICOFS 2022, 28(2): 34-37 |
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izadi S, ghavamipour S. Production of transverse multi-focus from a laser beam using an array of Fresnel lenses. ICOP & ICPET _ INPC _ ICOFS 2022; 28 (2) :34-37
URL: http://opsi.ir/article-1-2761-en.html
URL: http://opsi.ir/article-1-2761-en.html
Abstract: (1064 Views)
In some applications, it is necessary to create an array of focal points on a plane perpendicular to the laser beam. In this paper, an array of Fresnel lenses is designed to create transverse focal points and is placed in the path of a laser beam using a spatial light modulator. The reflected beam from the diffraction optical element, created transverse focal points equal to the number of Fresnel lenses designed. Also, the diffraction pattern from the array of Fresnel lenses is simulated, the results of which are in good agreement with the results of the experimental arrangement.
Keywords: Diffractive optical element, Fresnel lens, Spatial light modulator, Transvers focal points
Type of Study: Experimental |
Subject:
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