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Numerical analysis of optical vortices generation with nanostructured phase masks

Nguyen, Hue Thi; Anuszkiewicz, Alicja; Lisowska, Jolanta; Filipkowski, Adam; Kasztelanic, Rafal; Buczynski, Ryszard; Krolikowski, Wieslaw


We study the theoretical formation of optical vortices using a nanostructured gradient index phase mask. We consider structures composed of spatially distributed thermally matched glass nanorods with high and low refractive indices. Influence of effective refractive profile distribution, refractive index contrast of component glasses and charge value on the quality of generation of vortices are discussed. A trade-off between waveguiding and phase modulation effects for various refractive index...[Show more]

CollectionsANU Research Publications
Date published: 2020
Type: Journal article
Source: Optics Express
DOI: 10.1364/OE.397117
Access Rights: Open Access


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