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ISSN: 1023-5086

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ISSN: 1023-5086

Scientific and technical

Opticheskii Zhurnal

A full-text English translation of the journal is published by Optica Publishing Group under the title “Journal of Optical Technology”

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DOI: 10.17586/1023-5086-2024-91-03-23-31

УДК: 535.44

Generation of a second-order optical vortex in a polarization interferometer

For Russian citation (Opticheskii Zhurnal):
Рыжая А.А., Юрьева Е.К., Евтушенко Б.А., Сафронов Д.В., Севрюгин А.А, Шалымов Е.В., Венедиктов В.Ю., Соколов А.Л., Сон Х. Генерация оптического вихря второго порядка в поляризационном интерферометре // Оптический журнал. 2024. Т. 91. № 3. С. 23–31. http://doi.org/10.17586/1023-5086-2024-91-03-23-31

 

Ryzhaya A.A., Iureva E.K., Evtushenko B.A., Safronov D.V., Sevryugin A.A., Shalymov E.V., Venediktov V.Yu., Sokolov A.L., Song Н. Generation of a second-order optical vortex in a polarization interferometer [in Russian] // Opticheskii Zhurnal. 2024. V. 91. № 3. P. 23–31. http://doi.org/10.17586/1023-5086-2024-91-03-23-31

For citation (Journal of Optical Technology):
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Abstract:

Subject of study. A method for generating an optical vortex and its analysis in far-field diffraction using rays reflected from a combination of two retroreflectors (cubic corner reflectors) with a special interference phase-shifting coating that are part of a polarization interferometer. When the cubic corner reflectors are positioned correctly relative to each other, a second-order optical vortex is formed. Aim of study. Experimental confirmation of the previously predicted theoretical possibility of obtaining an optical vortex in the near and far diffraction zones, as well as conducting their visual analysis. Method. The schemes created in this work make it possible to generate second-order optical vortices in the near and far diffraction zones. Main results. Schemes of installations for the formation of an optical vortex and its analysis are presented. The results show that the phase and polarization distributions of the obtained patterns correspond to theoretical studies. Practical significance. Optical vortices are used for micromanipulation and data transmission purposes. The proposed generation method, despite a number of limitations, can be useful in a number of tasks — in particular, when it is necessary to quickly turn on and off the vortex, when using non-monochromatic light, as well as when manipulating entangled photons.

Keywords:

structured light, optical vortex, retroreflectors, cubic corner reflectors, polarization of light, polarization interferometer, far field, far field diffraction pattern

OCIS codes: 260.3160, 050.4865

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