Zobrazeno 1 - 10
of 102
pro vyhledávání: '"Zhengyong Song"'
Autor:
Jiwei Zhan, Ruixing Nie, Runxuan Zhang, Chaoxian Tang, Feng Zhao, Zijun Chen, Shenyi Huang, Sicheng Cao, Jin-hui Chen, Zhengyong Song
Publikováno v:
Results in Physics, Vol 64, Iss , Pp 107930- (2024)
Vanadium dioxide (VO2) has become a reliable phase change material (PCM) and is increasingly utilized in multifunctional metasurface design. This study introduces designs of bilayer anisotropic VO2 meta-atoms in simulation for multifunctional wavefro
Externí odkaz:
https://doaj.org/article/a733b543563c4fecbee1d590e2e57e18
Publikováno v:
Results in Physics, Vol 60, Iss , Pp 107705- (2024)
In recent years, vanadium dioxide (VO2) has drawn enormous attention in dynamic electromagnetic (EM) manipulation, owing to its mild phase change condition and prominent diversity of optical characteristics. In this paper, anisotropic meta-atoms inte
Externí odkaz:
https://doaj.org/article/ea3c1b00ef754a08ad273b35f80908bf
Publikováno v:
Results in Physics, Vol 56, Iss , Pp 107279- (2024)
Thanks to switchable wavefronts, design methods of diverse functions are greatly enriched. However, less attention has been paid to multichannel switchable orbital angular momentums (OAMs) of metasurfaces in previous reports. In this work, a spin-sel
Externí odkaz:
https://doaj.org/article/f7d9a3e046014edf879b0c3614e6bff0
Publikováno v:
Minerals, Vol 13, Iss 10, p 1278 (2023)
Zinc oxide minerals (primarily smithsonite and hemimorphite) are important sources of Zn. Flotation is the most widely used method of enriching zinc oxide minerals for mineral processing. Chelating reagents have received extensive attention for the f
Externí odkaz:
https://doaj.org/article/19c085ac7d0b42a48b506848d3a8ebe5
Autor:
Hongyuan Zhu, Zhengyong Song
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 4, Pp 1-5 (2022)
Benefiting from the unprecedented superiority of phase change material on manipulating electromagnetic wave, germanium antimony telluride-based optical devices attract a lot of attention. Here, based on Pancharatnam-Berry phase, reflective metasurfac
Externí odkaz:
https://doaj.org/article/433bf684822a4e5e8d4f123a49f2d4a3
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 4, Pp 1-5 (2022)
Metasurfaces with dynamically switchable functions have received extensive attention, and are in high demand in various applications. In this work, dynamically switchable metasurfaces are proposed based on phase change material-vanadium dioxide. They
Externí odkaz:
https://doaj.org/article/5aff10dad7454a49ade8caee1db1e45d
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 3, Pp 1-6 (2022)
Pancharatnam-Berry metasurfaces have the great advantage of manipulating electromagnetic wave. At the same time, graphene has attracted much attention due to its unique electromagnetic responses in different Fermi levels. Here, graphene-based Panchar
Externí odkaz:
https://doaj.org/article/62e4fed5599447bf83939b019c3818c7
Autor:
Jinwen Huang, Zhengyong Song
Publikováno v:
IEEE Photonics Journal, Vol 13, Iss 2, Pp 1-10 (2021)
Graphene waveguide plays an important role in modulating optical signal. But it is hard to make a tradeoff between low propagating loss and high field confinement. Here, we propose a bilayer graphene waveguide in a thin topas film and a high refracti
Externí odkaz:
https://doaj.org/article/ba1ae6f0ce274b1e900a85269fcb538f
Autor:
Zhao Xu, Zhengyong Song
Publikováno v:
IEEE Photonics Journal, Vol 13, Iss 4, Pp 1-5 (2021)
Arbitrary control and dynamic tuning of circularly polarized (CP) wave are of great significance to photonic research and application. Here, a terahertz switchable metasurface is designed with bifunctional properties based on a mixed structure of gra
Externí odkaz:
https://doaj.org/article/84fe4785c48e438fb17d2a6a627a795d
Publikováno v:
IEEE Photonics Journal, Vol 13, Iss 4, Pp 1-9 (2021)
Coding metasurfaces incorporated with reconfigurable elements can dynamically control electromagnetic waves to realize reconfigurable multiple functionalities. The mostly existing active devices usually work in microwave band and have little ability
Externí odkaz:
https://doaj.org/article/16d513e293a140eca81991270f3bd9ae