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Volume 26 - ICOP & ICPET 2020
ICOP & ICPET _ INPC _ ICOFS 2020, 26 - ICOP & ICPET 2020: 929-932 |
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Keikhosravi A, Ghavami Sabouri S, Khorsandi A. Converting the profile of a Gaussian beam to a Bessel one using spatial amplitude modulator. ICOP & ICPET _ INPC _ ICOFS 2020; 26 :929-932
URL: http://opsi.ir/article-1-2097-en.html
URL: http://opsi.ir/article-1-2097-en.html
1- Department of Physics, University of Isfahan
Abstract: (1216 Views)
The Bessel beam, as a non-diffracted beam, has wide applications in the field of science and industry. There are various ways to produce a beam with this profile. Among these methods, the use of computer-controlled tools such as the Spatial Light Modulator allows the active beam to be generated. In this paper, with the idea of producing a Bessel beam by a ring, using a mathematical software, the diffractive element is designed to generate the Bessel beam, and then, by numerical solution of the Fresnel diffraction integral, the outline model is simulated; eventually by putting the diffractive element on the path of Gaussian beam using a spatial amplitude modulator, generated Bessel-Gauss beams in laboratory.
Keywords: Beam profile, Bessel beam, Diffractive optical element, Gaussian beam, Special light modulator.
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