Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Broadband and high-transmittance OAM beam generator

A high-transmittance, beam-forming technology used in communications

Active Publication Date: 2020-10-20
GUANGXI UNIVERSITY OF TECHNOLOGY
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although many works have demonstrated that metasurfaces can effectively generate OAM beams, it is still a challenge to achieve high-efficiency OAM beams over a wide frequency range.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Broadband and high-transmittance OAM beam generator
  • Broadband and high-transmittance OAM beam generator
  • Broadband and high-transmittance OAM beam generator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0023] In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Thicknessaaaaaaaaaa
Login to View More

Abstract

The invention discloses a transmission type OAM beam generator with wide band and high transmittance. Three dielectric plates are stacked in sequence, first metal metasurface layers are arranged between every two adjacent dielectric plates respectively, second metal metasurface layers are arranged on the outer surface walls of the two dielectric plates located on the outer sides respectively, andtherefore, a three-layer dielectric structure of the OAM light beam is effectively generated. The device has high transmittance to X polarized waves and Y polarized waves, and the phase difference ofthe X polarized waves and the Y polarized waves is close to pi, so that circularly polarized incident waves are converted into OAM wave beams in a broadband range, and the conversion efficiency is high.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a broadband and high transmittance OAM beamformer. Background technique [0002] Orbital angular momentum (OAM) has been extensively studied and developed in optical, terahertz, and microwave systems since it was proposed. Due to the orthogonality of different modal OAM beams, each modal OAM beam can transmit stably without being interfered by other modal OAM beams, thereby significantly improving the channel capacity of the wireless communication system. In 2011, electromagnetic waves carrying OAM were successfully applied in wireless communication, showing its broad application prospects. [0003] In order to be able to apply OAM beams in wireless communication, we must provide a generator that can efficiently generate OAM beams in a wide frequency range. Traditional methods for generating OAM beams include antenna arrays, helical phase plates, and helical reflectors. ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): H01Q15/00
CPCH01Q15/0086
Inventor 高喜唐李光李思敏
Owner GUANGXI UNIVERSITY OF TECHNOLOGY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com