HIGHLIGHTS
- who: Ruixuan Zheng from the (UNIVERSITY) have published the research: Active multiband varifocal metalenses based on orbital angular momentum division multiplexing, in the Journal: (JOURNAL) of 17/08/2021
- what: The authors show a dielectric metalens consisting of TiO2 nanofins array with ultrahigh aspect ratio to realize active multiband varifocal function. To determine the size of the nanofin, perfectly matched layer (PML) conditions in the direction of the light propagation and periodic boundary conditions along all the in-plane directions were used.
- how: In this work quartz cleaned in acetone isopropanol (IPA) and . . .
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