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Formation of optical vortices with all-glass nanostructured gradient index masks

Switkowski, Krzysztof; Anuszkiewicz, Alicja; Filipkowski, Adam; Pysz, Dariusz; Stepien, Ryszard; Krolikowski, Wieslaw; Buczynski, Ryszard


We report a development of microscopic size gradient index vortex masks using modified stack-and-draw technique. Vortex mask has a form of tens of microns thick, flat-surface all-glass plate. Its functionality is determined by internal nanostructure composed of two types of soft glass nanorods. Their spatial arrangement ensures that the average refractive index mimics continuous refractive index distribution imposing azimuthal phase modulation of optical beam. The mask of thickness of 40...[Show more]

CollectionsANU Research Publications
Date published: 2018-04-24
Type: Conference paper
Source: Proceedings of SPIE - The International Society for Optical Engineering
DOI: 10.1117/12.2317053
Access Rights: Open Access


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