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- Title
Multi-freedom metasurface empowered vectorial holography.
- Authors
Deng, Zi-Lan; Wang, Zhi-Qiang; Li, Feng-Jun; Hu, Meng-Xia; Li, Xiangping
- Abstract
To certain extent, the polarization of light has been controlled in conventional holography, namely, polarization holography that can multiplex dual holographic images at orthogonal polarization states by employing bulky photo-induced birefringence materials [[2]], [[3]], [[4]], [[5]]. 2 Vectorial holography with discretely distributed polarization states To construct the vectorial holography with spatially varying polarization distributions, multi-DOF metasurfaces with simultaneous phase and polarization modulation is required. Keywords: metasurfaces; polarizations; vectorial holography EN metasurfaces polarizations vectorial holography 1725 1739 15 05/12/22 20220401 NES 220401 1 Introduction Optical holography, the technique for complete wavefront manipulation of light field, has been showing great impacts on various optical applications such as interferometry, microscopy, lensless imaging, data storage, three-dimensional (3D) display and so on, since its invention by Dennis Gabor in 1948 [[1]]. Exploiting more DOFs in a tetratomic configuration, Liu et al. proposed a multifunctional metasurface that can integrate polarization multiplexed far-field holography and polarization multiplexed near-field nanoprint simultaneously under arbitrary polarization basis [[135]], as shown in Figure 4B.
- Subjects
HOLOGRAPHY; OPTICAL polarization; OPTICAL diffraction; LIGHT propagation; COHERENCE (Optics); OPTICAL elements
- Publication
Nanophotonics (21928606), 2022, Vol 11, Issue 9, p1725
- ISSN
2192-8606
- Publication type
Article
- DOI
10.1515/nanoph-2021-0662