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Hyperbolic metamaterial and preparation method of hyperbolic metamaterial

A metamaterial, hyperbolic technology, applied in the field of optical materials, which can solve problems such as large loss

Active Publication Date: 2020-10-09
SUZHOU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Based on this, it is necessary to provide an improved hyperbolic metamaterial for the problem of large loss when electromagnetic waves are transmitted in traditional hyperbolic metamaterials.

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  • Hyperbolic metamaterial and preparation method of hyperbolic metamaterial
  • Hyperbolic metamaterial and preparation method of hyperbolic metamaterial
  • Hyperbolic metamaterial and preparation method of hyperbolic metamaterial

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Embodiment Construction

[0041] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0042] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical", "horizontal", "left", "right", "upper", "lower", "front", "rear", "circumferential" and...

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Abstract

The invention relates to a hyperbolic metamaterial, which comprises two metal flat plates arranged in parallel and a composite material, wherein the composite material is arranged between the metal flat plates, the surface of the composite material is attached to the metal flat plates, the composite material is formed by arranging at least two non-metal materials with different dielectric constants in a minimum repeating unit period in the propagation direction of a conducted wave, and the length of the minimum repeating unit is smaller than the wavelength of the conducted wave in the propagation direction of the conducted wave, wherein the product of equivalent dielectric constants in at least two different directions of a structure formed by the metal flat plates and the composite material is less than zero. The invention also relates to a preparation method of the hyperbolic metamaterial.

Description

technical field [0001] The invention relates to the technical field of optical materials, in particular to a hyperbolic metamaterial and a method for preparing the hyperbolic metamaterial. Background technique [0002] Common optical hyperbolic metamaterials are usually composed of dielectrics and metals. The commonly used construction methods are: [0003] (1) Periodic stacking using layered metals and dielectrics; [0004] (2) Array arrangement using metal-dielectric nanocones; [0005] (3) Embedding parallel arrays of metal nanorods in the dielectric. [0006] Although these methods can realize hyperbolic metamaterials well, metals in the optical frequency band are required for construction using these methods, and in the optical frequency band, electromagnetic waves will form a certain loss when propagating in metals. Contents of the invention [0007] Based on this, it is necessary to provide an improved hyperbolic metamaterial for the problem of large loss when el...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B1/00
CPCG02B1/002
Inventor 罗杰季文杰赖耘
Owner SUZHOU UNIV
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