Metalens for polarization conversion and focusing of laser light | Zendy

Sergey S. Stafeev | Zendy; Anton G. Nalimov | Zendy; Victor V. Kotlyar | Zendy

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Metalens for polarization conversion and focusing of laser light

Author(s) -

Sergey S. Stafeev,

Anton G. Nalimov,

Victor V. Kotlyar

Publication year - 2019

Publication title -

journal of physics conference series

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.21

H-Index - 85

eISSN - 1742-6596

pISSN - 1742-6588

DOI - 10.1088/1742-6596/1368/2/022035

Subject(s) - optics , laser , finite difference time domain method , polarization (electrochemistry) , circular polarization , laser beams , laser light , linear polarization , optical vortex , materials science , physics , vortex , optoelectronics , beam (structure) , chemistry , thermodynamics , microstrip

We investigated 16-sector metalens that converts linearly polarized laser light to azimuthally polarized optical vortex and focuses the beam. It was shown that the metalens produces a focal spot with subwavelength diameters: FWHMx = 0.32λ and FWHMy = 0.51λ (experiment) and FWHMx=0.37λ и FWHMy=0.49λ (FDTD-simulation).

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