The calculation of subwavelength diffraction optical elements based on gratings with a variable period using high-performance computer systems

Sergey A. Degtyarev; Dmitry A. Savelyev; Sergey A. Fomchenkov

doi:10.1117/12.2565719

22 May 2020 The calculation of subwavelength diffraction optical elements based on gratings with a variable period using high-performance computer systems

Sergey A. Degtyarev, Dmitry A. Savelyev, Sergey A. Fomchenkov

Author Affiliations +

Proceedings Volume 11516, Optical Technologies for Telecommunications 2019; 115160E (2020) https://doi.org/10.1117/12.2565719
Event: XVII International Scientific and Technical Conference "Optical Technologies for Telecommunications", 2019, Kazan, Russian Federation

Abstract

We investigated subwavelength diffraction optical elements based on ring gratings. We conduct numerical simulation of creation and focusing of the second order radially polarized beam and pulsed radiation passed through the subwavelength diffraction grating. The formation of a shadow focal spot in the immediate vicinity of an optical element, amplification of the longitudinal component of the electric field and the inverse energy flow can arise near the optical axis of the element were shown.

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Sergey A. Degtyarev, Dmitry A. Savelyev, and Sergey A. Fomchenkov "The calculation of subwavelength diffraction optical elements based on gratings with a variable period using high-performance computer systems", Proc. SPIE 11516, Optical Technologies for Telecommunications 2019, 115160E (22 May 2020); https://doi.org/10.1117/12.2565719

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