ArticleNanomaterials (Basel, Switzerland)2020
High-Efficiency, Broadband, Near Diffraction-Limited, Dielectric Metalens in Ultraviolet Spectrum.
Article in Nanomaterials (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Polarization filtering with isomaterial multifocal metalenses at ultraviolet frequencies.Scientific reports · 2025Article
- Dual-wavelength UV-visible metalens for multispectral photoacoustic microscopy: A simulation study.Photoacoustics · 2023Article
- Wavelength-Independent Excitation Bessel Beams for High-Resolution and Deep Focus Imaging.Nanomaterials (Basel, Switzerland) · 2023Article
- Investigations on Grating-Enhanced Waveguides for Wide-Angle Light Couplings.Nanomaterials (Basel, Switzerland) · 2022Article
- Focusing Characteristics and Widefield Imaging Performance of the Silicon Metalens in the Visible Range.Micromachines · 2022Article
- Broadband generation of accelerating polygon beams with large curvature ratio and small focused spot using all-dielectric metasurfaces.Nanophotonics (Berlin, Germany) · 2022Article
- Generation of high-uniformity and high-resolution Bessel beam arrays through all-dielectric metasurfaces.Nanophotonics (Berlin, Germany) · 2022Article
- Spherical Aberration-Corrected Metalens for Polarization Multiplexed Imaging.Nanomaterials (Basel, Switzerland) · 2021Article
- Time-Effective Simulation Methodology for Broadband Achromatic Metalens Using Deep Neural Networks.Nanomaterials (Basel, Switzerland) · 2021Article
- Design of Polarization-Independent Reflective Metalens in the Ultraviolet-Visible Wavelength Region.Nanomaterials (Basel, Switzerland) · 2021Article
- Polarization Insensitive, Broadband, Near Diffraction-Limited Metalens in Ultraviolet Region.Nanomaterials (Basel, Switzerland) · 2020Article
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Authors and funding
8 authors.
Funding
Abstract
Ultraviolet (UV) optical devices have plenteous applications in the fields of nanofabrication, military, medical, sterilization, and others. Traditional optical components utilize gradual phase accumulation phenomena to alter the wave-front of the light, making them bulky, expensive, and inefficient. A dielectric metasurface could provide an auspicious approach to precisely control the amplitude, phase, and polarization of the incident light by abrupt, discrete phase changing with high efficiency due to low absorption losses. Metalenses, being one of the most attainable applications of metasurfaces, can extremely reduce the size and complexity of the optical systems. We present the design of a high-efficiency transmissive UV metalens operating in a broadband range of UV light (250-400 nm) with outstanding focusing characteristics. The polarization conversion efficiency of the nano-rod unit and the focusing efficiency of the metasurface are optimized to be as high as 96% and 77%, respectively. The off-axis focusing characteristics at different incident angles are also investigated. The designed metalens that is composed of silicon nitride nanorods will significantly uphold the advancement of UV photonic devices and can provide opportunities for the miniaturization and integration of the UV nanophotonics and its applications.
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