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Electromagnetic wave translating element

A technology of electromagnetic waves and components, applied in the field of electromagnetic communication, can solve the problems of limited size of anisotropic crystals, inability to obtain large-area reception and translation, etc., and achieve the effect of simple processing and design

Active Publication Date: 2013-07-03
KUANG CHI INST OF ADVANCED TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide an electromagnetic wave translation element made of metamaterials for the defects that the size of the anisotropic crystal in the prior art is limited and cannot receive and translate electromagnetic waves in a large area

Method used

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Embodiment Construction

[0026] The invention relates to an electromagnetic wave translation element, which can translate a certain distance of electromagnetic waves relative to the incident direction.

[0027] Such as figure 1 As shown, the electromagnetic wave translation element of the present invention is composed of one or more metamaterial sheets with the same thickness. connected together into one. Each metamaterial sheet layer includes a substrate 1 whose front and rear surfaces are parallel to form a sheet of equal thickness, and also includes a plurality of artificial microstructures arranged in an array attached to the front surface of the substrate 1 or embedded in each sheet of substrate 1 2.

[0028] These artificial microstructures 2 are uniformly distributed on the surface of the substrate 1 . The uniform distribution here means that the distance between any artificial microstructure 2 and several artificial microstructures 2 around it is the same as the distance between other artif...

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Abstract

The invention relates to an electromagnetic wave translating element, which comprises at least one metamaterial sheet layer. Each of the metamaterial sheet layers comprises a sheet-shaped substrate (1) and multiple artificial microstructures (2) attached on the substrate (1). Each of the artificial microstructures (2) has a non-right angle rotation symmetrical structure, so that the whole electromagnetic wave translating element is anisotropic. The refractive index ellipsoids (5) of the artificial microstructures (2) are completely the same, and the extraordinary light axes (ne) of the refractive index ellipsoids (5) are parallel to each other and are all not perpendicular to and not parallel to the transmission direction of incident electromagnetic waves, so that the optical axis of the electromagnetic wave translating element is not perpendicular to and not parallel to the transmission direction of the incident electromagnetic waves. By means of the electromagnetic wave translating element, the translation of the electromagnetic waves can be realized on the premise of not changing the transmission direction of the electromagnetic waves.

Description

technical field [0001] The invention relates to the field of electromagnetic communication, and more specifically relates to an electromagnetic wave translation element made of metamaterial. Background technique [0002] Metamaterial is a new type of material, which is composed of a substrate made of non-metallic materials and multiple artificial microstructures attached to the surface of the substrate or embedded in the interior of the substrate. Artificial microstructures are cylindrical or flat metal wires that form a certain geometric figure, such as ring-shaped, I-shaped metal wires, etc. Each artificial microstructure and its attached or occupied part of the substrate constitute a metamaterial unit, and the entire metamaterial is composed of hundreds of thousands, millions or even hundreds of millions of such metamaterial units, just like a crystal is composed of countless The crystal lattice is formed according to a certain arrangement, and each lattice is equivalent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q15/00G02B3/00
Inventor 刘若鹏李岳峰徐冠雄季春霖
Owner KUANG CHI INST OF ADVANCED TECH