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- Title
Polarization Controlled Dual Functional Reflective Planar Metalens in Near Infrared Regime.
- Authors
Zhang, Yuhui; Yang, Bowei; Liu, Zhiying; Fu, Yuegang
- Abstract
The metalens has been a hotspot in scientific communications in recent years. The polarization-controlled functional metalens is appealing in metalens investigation. We propose a metalens with dual functions that are controlled by polarization states. In the first design, when applied with x- and y-polarized light, two focal spots with different focal lengths are acquired, respectively. The proposed metalens performs well when illuminated with adjacent wavelengths. In the second design, the reflected light is focused when applied with x-polarized light, and when applied with y-polarized light, the reflected light is split into two oblique paths. We believe that the results will provide a new method in light manipulation.
- Subjects
SCIENTIFIC communication; FOCAL length; INVESTIGATIONS; WAVELENGTHS
- Publication
Coatings (2079-6412), 2020, Vol 10, Issue 4, p389
- ISSN
2079-6412
- Publication type
Article
- DOI
10.3390/coatings10040389