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Resonant ring microwave vortex beam emitter based on artificial surface plasmon polaritons

An artificial surface plasmon and polariton technology, which is applied in the structural form of the radiation element, the structural connection of the antenna grounding switch, the antenna grounding device, etc., can solve the problems of inability to realize antenna multiplexing, single vortex beam, and complex implementation methods, etc. problems, to achieve the effect of convenient operation, improved radiation efficiency, and simple manufacture

Active Publication Date: 2020-04-17
合肥名龙电子科技有限公司
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Problems solved by technology

[0004] The purpose of the present invention is to solve the technical problems that the existing orbital angular momentum implementation method is too complicated, the generated vortex beam is single, that is, the antenna multiplexing cannot be realized, and the devices are not easy to integrate, and to provide an artificially-based Surface Plasmon Ring Resonators for Vortex Beam Emitters

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  • Resonant ring microwave vortex beam emitter based on artificial surface plasmon polaritons
  • Resonant ring microwave vortex beam emitter based on artificial surface plasmon polaritons
  • Resonant ring microwave vortex beam emitter based on artificial surface plasmon polaritons

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Embodiment Construction

[0030] The technical scheme of the present invention will be described in detail below in conjunction with the accompanying drawings

[0031] Such as figure 1 As shown, the present invention mainly includes a dielectric substrate 3 and a metal ring 1 and a linear waveguide 2 located on the upper surface of the dielectric substrate.

[0032] The linear waveguide includes grounded coaxial connectors 5 at both ends, several artificial surface plasmon unit structures B6 in the middle, and a matching structure 4 for connecting the grounded coaxial connectors and several artificial surface plasmon unit structures B .

[0033] The metal ring is bent by 14 periodically arranged artificial surface plasmon unit structures A7. The vertical distance between the metal ring and the linear waveguide is 0.5mm.

[0034] Such as figure 2 As shown, the periodically arranged artificial surface plasmon unit structure A is a slotted unit structure, and the groove depth has an exponential relat...

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Abstract

The invention relates to a resonant ring microwave vortex beam emitter based on artificial surface plasmon polaritons. The resonant ring microwave vortex beam emitter comprises a dielectric plate, a metal circular ring, a linear waveguide and a metal floor, wherein the metal circular ring and the linear waveguide cover an upper surface of the dielectric plate, the metal floor covers a lower surface of the dielectric plate, the metal circular ring is composed of a plurality of artificial surface plasmon polariton unit structures A which are periodically arranged; the artificial surface plasmonunit structures A are slotting unit structures with periodically changed surface impedance; the linear waveguide comprises grounding coaxial connectors at two ends, a plurality of artificial surface plasmon unit structures B located in the middle and a matching structure used for connecting the grounding coaxial connectors and the artificial surface plasmon unit structures B; and the artificial surface plasmon unit structure B is a slotting unit with invariable slot depth. Vortex beams carrying precisely defined orbital angular momentum can be emitted, different orbital angular momentum modesare achieved under different frequencies, and circularly polarized vortexes can be emitted.

Description

technical field [0001] The invention belongs to the field of artificial electromagnetic materials and relates to a resonant ring microwave vortex beam transmitter based on artificial surface plasmon polaritons. Background technique [0002] In recent years, wireless communication technology has developed rapidly, but the scarcity of spectrum has become a bottleneck restricting its development. Currently widely used technologies to solve spectrum problems include orthogonal frequency division multiplexing, code division multiple access, and space-time coding techniques. Orbital angular momentum is a new degree of freedom, and its modes are orthogonal to each other. It is this characteristic that makes it the basis for improving communication speed and coding efficiency, and can greatly improve spectrum utilization. The electromagnetic beam carrying the orbital angular momentum refers to the electromagnetic beam that advances spirally, also known as the vortex electromagnetic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/38H01Q1/48H01Q1/50
CPCH01Q1/38H01Q1/48H01Q1/50
Inventor 廖臻罗国清周佳南蔡本庚潘柏操
Owner 合肥名龙电子科技有限公司
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