A metalens for detecting fractional-order optical vortices
In this work, a metalens for detecting an incident field with a fractional topological charge ranging from – 2 to 0 is proposed. The metalens is based on a spiral zone plate with a topological charge of 1.5. A change in the topological charge of the incident beam is numerically shown to lead to an o...
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Main Authors: | A.G. Nalimov, V.V. Kotlyar, Y.V. Khanenko, S.D. Poletaev |
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Format: | Article |
Language: | English |
Published: |
Samara National Research University
2024-06-01
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Series: | Компьютерная оптика |
Subjects: | |
Online Access: | https://www.computeroptics.ru/eng/KO/Annot/KO48-3/480303e.html |
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