Open AccessBroadband achromatic longitudinal bifocal metalens in the visible range based on a single nanofin unit cell
Author(s) -
Ziheng Qian,
Shengnan Tian,
Wei Zhou,
Junwei Wang,
Hanming Guo
Publication year - 2022
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.450601
Subject(s) - achromatic lens , optics , focal length , chromatic aberration , chromatic scale , focal point , physics , ray , wavelength , wavefront , broadband , polarization (electrochemistry) , cardinal point , phase (matter) , diffraction , lens (geology) , chemistry , quantum mechanics