OPTICAL DEVICE BASED ON TOPOLOGICAL DARKNESS AND OPTICAL ELEMENT FOR IT Russian patent published in 2023 - IPC G02B27/18 B82Y20/00 

Abstract RU 2805376 C1

FIELD: nanophotonics.

SUBSTANCE: invention concerns an optical device. An optical device containing a source of optical radiation with a wavelength in its spectrum, made in the form of an image projector, and an optical element planar in the (x, y) plane, the normal of which makes an angle with the optical axis of the specified source of optical radiation. The optical element contains at least a first layer of optically transparent dielectric with a thickness and dielectric constant second layer of absorbent two-dimensional material thick and dielectric constant and an optically transparent substrate with dielectric constant . These layers and the substrate are made to form a point of topological darkness.

EFFECT: possibility of creating flat optics for ultra-thin structures with high quality images.

12 cl, 3 dwg, 14 ex

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RU 2 805 376 C1

Authors

Arsenin Aleksey Vladimirovich

Vyshnevyy Andrey Aleksandrovich

Volkov Valentin Sergeevich

Grudinin Dmitrii Viktorovich

Ermolaev Georgii Alekseevich

Syuy Alexander Vyacheslavovich

Fradkin Ilia Markovich

Tselikov Gleb Igorevich

Dates

2023-10-16Published

2023-04-13Filed