Microwave vortex wave generator based on artificial surface plasmon and implement method thereof

An artificial surface plasmon and vortex wave technology, applied in electrical components, radiating element structure, linear waveguide feed array, etc., can solve problems such as uncontrollability, single orbital angular momentum mode, complex structure, etc. Maximized, flexible orbital angular momentum mode, small volume effect

Active Publication Date: 2017-06-13
SOUTHEAST UNIV
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Problems solved by technology

These methods have their own advantages but at the same time have disadvantages, such as complex structure, single orbital angular momentum mode and uncontrollability of orbital angular momentum mode

Method used

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  • Microwave vortex wave generator based on artificial surface plasmon and implement method thereof
  • Microwave vortex wave generator based on artificial surface plasmon and implement method thereof
  • Microwave vortex wave generator based on artificial surface plasmon and implement method thereof

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with the accompanying drawings.

[0028] A microwave vortex wave generator based on artificial surface plasmons of the present invention adopts the traditional coplanar waveguide transmission line feeding mode, and utilizes annular artificial surface plasmon waveguides and circular metal patches to realize vortex waves radiation. The impedance design of the traditional coplanar waveguide transmission line is matched to 50 ohms, which is convenient for maximum power transmission; the transition of the microwave vortex wave generator based on the artificial surface plasmon from the traditional coplanar waveguide transmission line to the surface plasmon waveguide The unilateral corrugated stripline structure with gradually changing groove depth and the open metal ground structure are adopted to achieve wave number matching and impedance matching between the two waveguides, thereby maximizing power transmi...

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Abstract

The invention discloses a microwave vortex wave generator based on artificial surface plasmon. The microwave vortex wave generator works in a microwave frequency band, double layers of artificial surface plasmon waveguides achieve transmission of electromagnetic waves, and the waveguides on the upper layer are connected to the waveguides on the lower layer through a metal through hole. The radiation part of the microwave vortex wave generator is mainly achieved through a series of circular patches which are placed beside the artificial surface plasmon waveguides, and meanwhile the circular patches also provide phases needed for generating different vortex waves as resonators. The microwave vortex wave generator can have different vortex waves with different orbit angular momentum modes at different frequency positions without making any changes in structure.

Description

technical field [0001] The invention belongs to the field of novel artificial electromagnetic media and wireless communication system electronic devices, and in particular relates to a microwave vortex wave generator based on artificial surface plasmons. Background technique [0002] Because photons have vortices, beams with helical phase planes and azimuthal components can carry orbital angular momentum. This discovery led to increased attention to orbital angular momentum. Orbital angular momentum modes in the optical frequency band can be used in various aspects such as microscopy, micromanipulation, super-resolution imaging, and quantum information technology. Subsequently, due to the unique advantages of orbital angular momentum, more and more research focuses on its application in the field of wireless communication to solve the existing unsolvable problems in the process of wireless communication. Since the radio frequency orbital angular momentum model was successf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/38H01Q1/48H01Q1/50H01Q3/30H01Q21/20H01Q21/00
CPCH01Q1/38H01Q1/48H01Q1/50H01Q3/30H01Q21/0037H01Q21/20
Inventor 崔铁军尹佳媛
Owner SOUTHEAST UNIV
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