All-fiber nanostructured gradient optics vortex beam converter

被引：13

作者：

Hue Thi Nguyen ^{[1
,2
]}

Switkowski, Krzysztof ^{[3
]}

Filipkowski, Adam ^{[1
,2
]}

Kasztelanic, Rafal ^{[1
,2
]}

Pysz, Dariusz ^{[2
]}

Hieu Van Le ^{[4
]}

Bien Van Chu ^{[4
]}

Stepien, Ryszard ^{[2
]}

Krolikowski, Wieslaw ^{[5
,6
]}

Buczynski, Ryszard ^{[1
,2
]}

机构：

[1] Univ Warsaw, Fac Phys, Pasteura 5, PL-02093 Warsaw, Poland

[2] Inst Microelect & Photon, Dept Glass, Lukasiewicz Res Network, Aleja Lotnikow 32-46, PL-02668 Warsaw, Poland

[3] Warsaw Univ Technol, Fac Phys, Koszykowa 75, PL-00662 Warsaw, Poland

[4] Hong Duc Univ, Fac Nat Sci, 565 Quang Trung St, Thanh Hoa City, Vietnam

[5] Australian Natl Univ, Laser Phys Ctr, Res Sch Phys, Canberra, ACT 0200, Australia

[6] Texas A&M Univ Qatar, Sci Program, Doha, Qatar

来源：

OPTICS AND LASERS IN ENGINEERING | 2022年 / 150卷

关键词：

Optical vortex; singular optics; nanotechnology; fiber optic; ORBITAL ANGULAR-MOMENTUM; MODE FIBER; GENERATION; VORTICES; PHASE; LIGHT;

D O I：

10.1016/j.optlaseng.2021.106841

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We study optical performance of a vortex beam converter comprising a nanostructured gradient index vortex mask, a compact gradient index microlens and an optical fiber. The converter generates high quality focused optical vortex from the input Gaussian beam without support of any additional external optical elements. Integration of a nanostructured lens allows control of the size and the position of focus of vortex beams, while at the same time maintaining their quality. This confirms that nanostructured gradient index micro-optical components can be used sequentially to form complex optical systems and maintain full compatibility with fiber optics. Our experimental results are supported by numerical simulations.

引用

页数：6

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