A Multi‐Foci Metalens with Polarization‐Rotated Focal Points
By Xiaofei Zang, Hongzhen Ding, Y. Intaravanne, Lin Chen, Yan Peng, Jingya Xie, Qinghong Ke, A. Balakin, A. Shkurinov, Xianzhong Chen and 2 more. Laser & Photonics reviews, 2019
169 citations recorded by the source corpus.
Benefiting from the unprecedented capability of metasurfaces in the manipulation of light propagation, metalenses can provide novel functions that are very challenging or impossible to achieve with conventional lenses. Here, an approach to realizing multi‐foci metalenses is proposed and experimentally demonstrated with polarization‐rotated focal points based on geometric metasurfaces. Multi‐foci metalenses with various polarization rotation directions are developed using silicon pillars with spatially variant orientations. The focusing characteristic and longitudinal polarization‐dependent imaging capability are demonstrated upon the illumination of a linearly polarized light beam. The uniqueness of this multi‐foci metalens with polarization‐rotated focal points may open a new avenue for imaging, sensing, and information processing.
Subfields: Aerospace Engineering, Electronic, Optical and Magnetic Materials
View Paper: https://www.semanticscholar.org/paper/f070f68edc2cf7163690d7f9e6b5a0824cb58f3e
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In Aerospace Engineering
In Electronic, Optical and Magnetic Materials
Citations in the corpus
- Interfacing photonics with artificial intelligence: an innovative design strategy for photonic structures and devices based on artificial neural networks (2021, background): “Many metadevices have been reported that offer enormous opportunities for technology breakthroughs in a wide range of applications including light steering [2 – 5], holography [6 – 9], imaging [10 – 14], sensing [15 – 17], and polarization control [18 – 21].”