Tunable Polarization-Multiplexed Achromatic Dielectric Metalens.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c03798
Abstract: Tunable metasurfaces provide a compact and efficient strategy for optical active wavefront shaping. Varifocal metalens is one of the most important applications. However, the existing tunable metalens rarely serves broadband wavelengths restricting their applications in… read more here.
Keywords: tunable polarization; polarization multiplexed; dielectric metalens; achromatic dielectric ... See more keywords
All-dielectric metalens for quasi-optical mode and polarization conversion.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.470889
Abstract: Quasi-optical mode conversion technology plays a very important role in the development of high-power terahertz radiation sources. The ability of metamaterials to manipulate wave-front paves a new way in the field of quasi-optical mode conversion.… read more here.
Keywords: dielectric metalens; conversion; optical mode; polarization ... See more keywords
Dielectric Metalens for Superoscillatory Focusing Based on High-Order Angular Bessel Function
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano12193485
Abstract: The phenomenon of optical superoscillation provides an unprecedented way to solve the problem of optical far-field label-free super-resolution imaging. Numerous optical devices that enable superoscillatory focusing were developed based on scalar and vector diffraction theories… read more here.
Keywords: superoscillatory focusing; metalens superoscillatory; dielectric metalens; angular bessel ... See more keywords