High-Efficiency, 80 mm Aperture Metalens Telescope.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c03561
Abstract: Metalenses promise potential for a paradigm shift of conventional optical devices. However, the aperture sizes of metalenses are usually bound within hundreds of micrometers by the commonly used fabrication methods, limiting their usage on practical… read more here.
Keywords: high efficiency; aperture metalens; metalens telescope; efficiency ... See more keywords
Lossless imaging based on a donut-like optical sparse aperture metalens
Sign Up to like & getrecommendations! Published in 2023 at "Applied Physics Letters"
DOI: 10.1063/5.0146260
Abstract: The optical sparse aperture approach has been shown to have significant potential in enlarging the aperture size and enhancing the imaging resolution of metalenses. However, because of frequency loss caused by the sparsity and dispersion… read more here.
Keywords: aperture; aperture metalens; resolution; optical sparse ... See more keywords
Ultra-Thin, Short-Focus, and High-Aperture Metalens for Generating and Detecting Laser Optical Vortices
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano12152602
Abstract: A combined high-aperture metalens in a thin silicon nitride film that consists of two tilted sectored metalenses is considered. Each sector of the metalens consists of a set of binary subwavelength gratings. The diameter of… read more here.
Keywords: high aperture; aperture metalens; thin short; ultra thin ... See more keywords