Modeling the generation of a light spiral by the helical diffractive microaxicon in a three-dimensional model

S. V. Krasnov; A. V. Ustinov

doi:10.1117/12.2565300

22 May 2020 Modeling the generation of a light spiral by the helical diffractive microaxicon in a three-dimensional model

S. V. Krasnov, A. V. Ustinov

Author Affiliations +

Proceedings Volume 11516, Optical Technologies for Telecommunications 2019; 115160D (2020) https://doi.org/10.1117/12.2565300
Event: XVII International Scientific and Technical Conference "Optical Technologies for Telecommunications", 2019, Kazan, Russian Federation

Abstract

In this paper, several methods of forming a spiral intensity distribution are mentioned and it is noted that they mainly form a spiral in the far diffraction zone. To form a spiral intensity distribution in the near zone, the authors propose to illuminate a helical diffractive microaxicon. The results of numerical simulation within the limits of strict electromagnetic theory visually confirm that a spiral structure is formed. In this case, the formation is more qualitative and more reliable compared to the illumination of the binary spiral axicon.

Citation Download Citation

S. V. Krasnov and A. V. Ustinov "Modeling the generation of a light spiral by the helical diffractive microaxicon in a three-dimensional model", Proc. SPIE 11516, Optical Technologies for Telecommunications 2019, 115160D (22 May 2020); https://doi.org/10.1117/12.2565300

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