A review of orbital angular momentum vortex beams generation: from traditional methods to metasurfaces
In this paper, we review the generation of vortex beams carrying orbital angular momentum
in the microwave domain. We firstly present the theory of Laguerre–Gaussian beams where …
in the microwave domain. We firstly present the theory of Laguerre–Gaussian beams where …
Thermally tunable terahertz vortex beam generator based on an InSb metasurface
In this work, a thermally tunable dielectric metasurface (DMS) composed of InSb cylindrical
micropillars is proposed to generate vortex beam in the terahertz region. The full 2π phase …
micropillars is proposed to generate vortex beam in the terahertz region. The full 2π phase …
Metasurface loaded high gain antenna based microwave imaging using iteratively corrected delay multiply and sum algorithm
In this paper, the design consideration is investigated for a cylindrical system with low-cost
and low-loss dielectric materials for the detection of breast tumor using iteratively corrected …
and low-loss dielectric materials for the detection of breast tumor using iteratively corrected …
Millimeter-wave holographic flat lens antenna for orbital angular momentum multiplexing
In this article, a holograph-inspired flat lens antenna capable of simultaneously transmitting
two independent coaxially propagating orbital angular momentum (OAM) beams operating …
two independent coaxially propagating orbital angular momentum (OAM) beams operating …
Bidirectional multi-mode microwave vortex beam generation enabled by spoof surface plasmon polaritons
The microwave spectrum has become more and more crowded, motivating the investigation
of new techniques to increase the communication capacity. Vortex beams carrying orbital …
of new techniques to increase the communication capacity. Vortex beams carrying orbital …
Research status and prospects of orbital angular momentum technology in wireless communication
F Zheng, Y Chen, S Ji, G Duan - Progress In Electromagnetics Research, 2020 - jpier.org
It becomes more and more challenging to satisfy the long-term demand of transmission
capacity in wireless networks if we limit our research within the frame of traditional …
capacity in wireless networks if we limit our research within the frame of traditional …
Broadband high-efficiency electromagnetic orbital angular momentum beam generation based on a dielectric metasurface
Z Lin, Z Ba, X Wang - IEEE Photonics Journal, 2020 - ieeexplore.ieee.org
Electromagnetic waves carrying orbital angular momentum (OAM) have motivated a wealth
of applications. Achromatic or broadband OAM beams are preferred in many applications …
of applications. Achromatic or broadband OAM beams are preferred in many applications …
Vortex beam generation based on plasma reflect-array surface at microwave frequencies
Orbital angular momentum (OAM) is a promising feature of electromagnetic (EM) wave to
increase the communication link capacity. It is possible to use the OAM over the whole …
increase the communication link capacity. It is possible to use the OAM over the whole …
Orbital angular momentum radiator multiplexing electromagnetic waves in free space
Orbital angular momentum (OAM) modes of electromagnetic (EM) waves have been
extensively studied to obtain more than two independent channels at a single frequency …
extensively studied to obtain more than two independent channels at a single frequency …
Adiabatic Floquet-wave expansion for the analysis of leaky-wave holograms generating polarized vortex beams
In this paper we combine the aperture field estimation technique and adiabatic Floquet-
wave expansion method for the analysis of leaky-wave holograms capable of generating …
wave expansion method for the analysis of leaky-wave holograms capable of generating …