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Method and device for controlling incident wave based on metamaterial waveguide array

A waveguide array and incident wave technology, applied in the field of metamaterials, can solve problems such as cumbersome methods, complicated steps, and inability to control incident waves simply and quickly, and achieve the effects of high energy transmission rate, reduced energy consumption, and simple and fast control.

Active Publication Date: 2021-09-21
SHENZHEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned method of changing the functional effect of the waveguide array is cumbersome and the steps are complicated, and it is impossible to control the incident wave easily and quickly.

Method used

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  • Method and device for controlling incident wave based on metamaterial waveguide array
  • Method and device for controlling incident wave based on metamaterial waveguide array
  • Method and device for controlling incident wave based on metamaterial waveguide array

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] like figure 1 As shown, this embodiment provides an incident wave control method based on a metamaterial waveguide array, which can control the incident wave, and the incident wave control method may include:

[0038] S101. Acquire a regulation requirement for an incident wave and an incident wavelength of the incident wave.

[0039] It can be understood that the incident wave may be an incident wave that satisfies the Neumann boundary condition, for example, an acoustic wave, a two-dimensional electromagnetic wave, and the like.

[0040] It can be understood that the type of incident wave may be Gaussian beam, plane wave or point source wave, etc. The present application does not make any limitation on the type of incident wave.

[0041] It can be understood that the regulation requirement may be the requirement to regulate the incident light, for example, the requirement to perform wavefront conversion, the requirement to perform wavefront focusing, and the requireme...

Embodiment 2

[0084] like figure 1 As shown, this embodiment provides a metamaterial waveguide array-based incident wave regulation method, which can regulate the incident wave, and the incident wave regulation method may include:

[0085] S101. Obtain a control requirement for an incident wave and an incident wavelength of the incident wave.

[0086] In this embodiment, the control requirement is a requirement for wavefront focusing.

[0087] S102. Construct a waveguide unit according to the incident wavelength, wherein the length and width of the waveguide unit are smaller than the incident wavelength, and a rotatable elliptical structure is arranged inside the waveguide unit, and the waveguide unit and the elliptical The structures are all made of materials that satisfy the Neumann boundary conditions.

[0088] S103. Construct a waveguide array according to the waveguide unit, the incident wavelength and the Fabry-Perot resonance condition, where the waveguide array includes a pluralit...

Embodiment 3

[0117] like figure 1As shown, this embodiment provides an incident wave control method based on a metamaterial waveguide array, which can control the incident wave, and the incident wave control method may include:

[0118] S101. Acquire a regulation requirement for an incident wave and an incident wavelength of the incident wave.

[0119] In this embodiment, the regulation requirement may be a requirement for performing wavefront transformation.

[0120] S102. Construct a waveguide unit according to the incident wavelength, wherein the length and width of the waveguide unit are smaller than the incident wavelength, a rotatable elliptical structure is provided in the waveguide unit, and the waveguide unit and the elliptical structure are arranged in the waveguide unit. The structures are made of materials that satisfy the Neumann boundary conditions.

[0121] S103. Construct a waveguide array according to the waveguide unit, the incident wavelength and the Fabry-Perot resona...

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Abstract

This application belongs to the technical field of metamaterials, and in particular relates to a method and device for regulating incident waves based on metamaterial waveguide arrays. The method for regulating incident waves includes: obtaining the regulation requirements for incident waves and the incident wavelength of incident waves; constructing waveguides according to the incident wavelengths unit, wherein the length and width of the waveguide unit are smaller than the incident wavelength, and a rotatable elliptical structure is arranged in the waveguide unit, and both the waveguide and the elliptical structure are composed of materials satisfying the Neumann boundary conditions; according to the waveguide unit, incident wavelength and The array is constructed under Fabry-Perot resonance conditions, wherein the array includes multiple waveguide channels, and the waveguide channels include multiple waveguide units; the elliptical structure in each waveguide channel in the waveguide array is rotated according to the control requirements; the rotated waveguide is used The array modulates the incoming waves. The structure of the waveguide array in this embodiment is simple, flexible and adjustable, and the incident wave can be adjusted simply and quickly.

Description

technical field [0001] The present application belongs to the technical field of metamaterials, and in particular relates to a method and device for controlling incident waves based on a metamaterial waveguide array. Background technique [0002] Metamaterials are artificial materials with subwavelength dimensions that possess some properties that are not found in natural materials. In recent years, electromagnetic wave and acoustic metamaterials have been greatly developed, especially structured two-dimensional metamaterials have introduced super-large, zero, anisotropic or negative refractive index property parameters at the equivalent medium level. It can be used to manipulate acoustic waves to generate new physical phenomena and develop a variety of new devices, such as the modulation of incident waves through metamaterial waveguide arrays. [0003] In order to change the functional effect of the waveguide array, it can be achieved by changing the equivalent refractive ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q15/06
CPCH01Q15/06
Inventor 梁子贤许杏李志海
Owner SHENZHEN UNIV