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Volume 26 - ICOP & ICPET 2020
ICOP & ICPET _ INPC _ ICOFS 2020, 26 - ICOP & ICPET 2020: 905-908 |
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Sabatyan A, Rahmani Z. Generation of off-axis optical vortex using spiral square zone plate. ICOP & ICPET _ INPC _ ICOFS 2020; 26 :905-908
URL: http://opsi.ir/article-1-2066-en.html
URL: http://opsi.ir/article-1-2066-en.html
1- Physics Department, Faculty of Sciences, Urmia University
2- Physics Department, Faculty of Sciences, Urmia UniversityPhysics Department, Faculty of Sciences, Urmia University
2- Physics Department, Faculty of Sciences, Urmia UniversityPhysics Department, Faculty of Sciences, Urmia University
Abstract: (1286 Views)
This paper presents an off-axis optical spiral diffractive element whose focus is outside of the optical axis. This element is used to generate off-axis optical vortices. It is demonstrated that various vortices in a desired place at the focal plane are produced by changing topological charge and a so called shifting parameter. The simulation results are verified in the laboratory which revealed that both of the simulation and experimental results are in a good agreement.
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