Photonic hook shaping achieved by the micro-nano fiber array based Janus cylindrical metalens

Photonic hook shaping achieved by the micro-nano fiber array based Janus cylindrical metalens

Bibliografiske detaljer
Parent link:	Physica Scripta.— .— Bristol: IOP Publishing Ltd. Vol. 99, iss. 8.— 2024.— Article number 125553, 10 p.
Andre forfattere:	Dinh Quoc-Thinh, Wu Yi-Cin, Chen Wei-Yu, Chen Yu-Bin, Minin O. V. Oleg Vladilenovich, Minin I. V. Igor Vladilenovich, Liu Cheng-Yang
Summary:	Title screen Near-field focusing of an electromagnetic wave on the assembly of hexagonally asymmetric arranged close-contact nanofibers into a cylindrical Janus metalens is considered for different fiber sizes and optical properties. We propose combining the meta-material concept with a photonic hook based on the finite-difference time-domain technique. Simulation results show that the cylindrical meta-photonic Janus structure produces the focal region of enhanced optical intensity, which exists in the spatial form of a localized structured light known as a photonic hook. A detailed study of all key parameters of a photonic hook depending on the Janus metalens topology and optical properties of the fiber filling is carried out. The structure conditions have been determined for the beam waist of a photonic hook that is less than the diffraction limit. This Janus cylindrical metalens may contribute to the versatile control of photonic hook generation in the applications of bio-photonics and optical microscopes Текстовый файл
Sprog:	engelsk
Udgivet:	2024
Fag:	photonic nanojet photonic hook nanofiber mesotronics cylindrical lens Janus metalens электронный ресурс труды учёных ТПУ
Online adgang:	https://doi.org/10.1088/1402-4896/ad9119
Format:	Electronisk Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=678665

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