A broadband achromatic metalens for focusing and imaging in the visible
Sign Up to like & getrecommendations! Published in 2018 at "Nature Nanotechnology"
DOI: 10.1038/s41565-017-0034-6
Abstract: A key goal of metalens research is to achieve wavefront shaping of light using optical elements with thicknesses on the order of the wavelength. Such miniaturization is expected to lead to compact, nanoscale optical devices… read more here.
Keywords: imaging visible; achromatic metalens; broadband achromatic; group delay ... See more keywords
Broadband achromatic metalens based on lithium niobite on insulator
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/ac2068
Abstract: Metalenses offer a unique platform to focus light by manipulating the properties of an incoming light wavefront. It is still a challenge to create an achromatic polarization-independent metalens, because of the complexity of satisfying the… read more here.
Keywords: lithium niobite; achromatic metalens; physics; metalens based ... See more keywords
Polarization-insensitive and achromatic metalens at ultraviolet wavelengths
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Nanophotonics"
DOI: 10.1117/1.jnp.13.036015
Abstract: Abstract. Ultraviolet (UV) light is widely used in nanofabrication and biomedical fields. However, in order to shape the wavefront of the UV beam, UV light needs to travel a relatively long distance in optical media… read more here.
Keywords: polarization insensitive; insensitive achromatic; achromatic metalens; ultraviolet wavelengths ... See more keywords
Dual-layer achromatic metalens design with an effective Abbe number.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.402478
Abstract: Planar achromatic metalenses with a thickness of the order of wavelength have attracted much attention for their potential applications in ultra-compact optical devices. However, realizing single-layer achromatic metalenses across a wide bandwidth requires that the… read more here.
Keywords: layer achromatic; dual layer; layer; achromatic metalens ... See more keywords
Polarization-insensitive achromatic metalens based on computational wavefront coding.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.433017
Abstract: Broadband achromatic metalens imaging is of great interest in various applications, such as integrated imaging and augmented/virtual reality display. Current methods of achromatic metalenses mainly rely on the compensation of a linear phase dispersion implemented… read more here.
Keywords: polarization insensitive; based computational; insensitive achromatic; achromatic metalens ... See more keywords
Design of the all-silicon long-wavelength infrared achromatic metalens based on deep silicon etching.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.449870
Abstract: An all-silicon long-wavelength infrared (LWIR) achromatic metalens based on deep silicon etching is designed in this paper. With a fixed aperture size, the value range of the equivalent optical thickness of the non-dispersive meta-atoms constructing… read more here.
Keywords: silicon long; achromatic metalens; deep silicon; silicon etching ... See more keywords
Mid-Infrared Broadband Achromatic Metalens with Wide Field of View
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15217587
Abstract: Metasurfaces have the ability to flexibly control the light wavefront, and they are expected to fill the gaps of traditional optics. However, various aberrations pose challenges for the application of metasurfaces in the wide angle… read more here.
Keywords: achromatic metalens; infrared broadband; mid infrared; broadband achromatic ... See more keywords
Time-Effective Simulation Methodology for Broadband Achromatic Metalens Using Deep Neural Networks
Sign Up to like & getrecommendations! Published in 2021 at "Nanomaterials"
DOI: 10.3390/nano11081966
Abstract: Metasurface has demonstrated potential and novel optical properties in previous research. The prevailing method of designing a macroscale metasurface is based on the local periodic approximation. Such a method relies on the pre-calculated data library,… read more here.
Keywords: methodology; deep neural; achromatic metalens; time ... See more keywords
Broadband Achromatic Metalens in the Visible Light Spectrum Based on Fresnel Zone Spatial Multiplexing
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano12234298
Abstract: Metalenses composed of a large number of subwavelength nanostructures provide the possibility for the miniaturization and integration of the optical system. Broadband polarization-insensitive achromatic metalenses in the visible light spectrum have attracted researchers because of… read more here.
Keywords: spatial multiplexing; achromatic metalens; fresnel zone; visible light ... See more keywords