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Создание и фокусировка векторного пучка второго порядка с помощью субволнового оптического элемента
С.А. Дегтярев 1,2, Д.А. Савельев 1,2

1 ИСОИ РАН – филиал ФНИЦ «Кристаллография и фотоника» РАН,
443001, Россия, г. Самара, ул. Молодогвардейская, д. 151;

2 Самарский национальный исследовательский университет имени академика С.П. Королёва,
443086, Россия, г. Самара, Московское шоссе, д. 34

 PDF, 1220 kB

DOI: 10.18287/2412-6179-CO-1053

Страницы: 39-47.

Аннотация:
В данной статье предложен вид субволновых аксиконов для создания и фокусировки векторных цилиндрических пучков второго порядка. При этом показано, что с помощью предложенных субволновых аксиконов можно создавать фокусные пятна с обратным потоком энергии. С помощью программы Comsol Multiphysics проведено моделирование работы субволновых аксиконов с различным углом закрутки. Показано различие получаемых распределений плотности потока мощности при различных углах закрутки спирали аксикона.

Ключевые слова:
субволновые аксиконы, векторные цилиндрические пучки, метод конечных элементов, обратный поток, Comsol Multiphysics.

Благодарности
Работа выполнена при поддержке средств финансирования Программы развития Самарского университета на 2021- 2030 годы в рамках программы «Приоритет-2030» в части «Введение» и Российского научного фонда (проект № 20-72-00051) в остальных частях.

Цитирование:
Дегтярев, С.А. Создание и фокусировка векторного пучка второго порядка с помощью субволнового оптического элемента / С.А. Дегтярев, Д.А. Савельев // Компьютерная оптика. – 2022. – Т. 46, № 1. – С. 39-47. – DOI: 10.18287/2412-6179-CO-1053.

Citation:
Degtyarev SA, Savelyev DA. Generation and focusing of a second-order vector beam using a subwavelength optical element. Computer Optics 2022; 46(1): 39-47. DOI: 10.18287/2412-6179-CO-1053.

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