Terahertz metamaterial antenna structure based on high-purity quartz glass substrate

Abstract

The utility model discloses a terahertz metamaterial antenna structure based on a high-purity quartz glass substrate, which comprises a substrate and an antenna body fixedly arranged on the upper surface of the substrate, the antenna body is an antenna structural member arranged periodically, and the substrate adopts an ultrathin high-purity quartz glass member. Protruding components are evenly distributed on the upper surface of a substrate of the antenna body, and the antenna body is of a V-shaped structure. According to the technical scheme, the high-purity quartz glass is adopted as the substrate and has the advantages of being colorless, transparent, high in hardness and good in heat resistance, the dielectric loss of the terahertz metamaterial antenna can be effectively reduced, the energy utilization rate can be increased, the high-purity quartz glass is adopted as the substrate, the transmission efficiency can be greatly improved, and the device performance can be improved; and the terahertz can be conveniently focused.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electromagnetic material, concretely relates to a kind of terahertz metamaterial antenna structure based on high-purity quartz glass substrate. BACKGROUND

[0002] Terahertz wave band is an electromagnetic wave between microwave and infrared, with strong penetration, strong material characterization ability and other characteristics, is widely used in nondestructive testing, imaging diagnosis, chemical analysis and other fields;

[0003] In recent years, quartz glass material is paid more and more attention by people, it has excellent dimensional stability, and the CTE of quartz glass can be customized, so that it can be more compatible with device structure. Therefore, it is of great significance to study high-purity quartz glass as dielectric substrate.

[0004] The current metamaterial antenna has thick antenna structure, high dielectric loss and low energy utilization rate. In view of the problems exposed in the use of the current terahertz metamaterial antenna structure, it is necessary to improve and optimize the structure of the current metamaterial antenna structure. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the utility model provides a kind of terahertz metamaterial antenna structure based on high-purity quartz glass substrate, with the characteristics of ultra-thin structure design and greatly improved transmission efficiency.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a kind of terahertz metamaterial antenna structure based on high-purity quartz glass substrate, including substrate and the antenna body fixedly arranged on the upper surface of substrate, the antenna body is the antenna structure component of periodic arrangement, the substrate adopts ultra-thin high-purity quartz glass component.

[0007] As a kind of terahertz metamaterial antenna structure based on high-purity quartz glass substrate preferred technical scheme of the utility model, the antenna body is uniformly arranged on the upper surface of substrate protruding component, the structure of the antenna body is V-shaped structure.

[0008] As a kind of terahertz metamaterial antenna structure based on high-purity quartz glass substrate preferred technical scheme of the utility model, the included angle of the V-shaped structure of the antenna body can be changed by 45° gradient within 45°-180°.

[0009] As a kind of based on high-purity quartz glass substrate's terahertz metamaterial antenna structure optimization technical scheme of the utility model, several rows of antenna body 2 arranged in the middle region of the upper surface of the substrate is arranged at 45 ° angle, the antenna body is arranged by the angle of its antenna body when extending from middle to both sides on substrate to increase to 180 °, then in turn decrease to 45 °.

[0010] As a kind of based on high-purity quartz glass substrate's terahertz metamaterial antenna structure optimization technical scheme of the utility model, the antenna body is laid as a whole layer structure on the upper surface of the substrate, and the structure of the antenna body is V-shaped groove structure.

[0011] As a kind of based on high-purity quartz glass substrate's terahertz metamaterial antenna structure optimization technical scheme of the utility model, the antenna body can adopt gold, silver, copper, aluminum and alloy structure.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、In the technical scheme, high-purity quartz glass is used as substrate, which has the characteristics of colorless transparency, high hardness and good heat resistance, can effectively reduce the dielectric loss of terahertz metamaterial antenna, increase energy utilization rate, and high-purity quartz glass is used as substrate, which can greatly improve transmission efficiency and increase device performance.

[0014] 2、The antenna body is designed as V-shaped arrangement, with convex positive pattern structure or concave negative pattern structure, so that the metamaterial antenna can play an important role in electromagnetic wave (microwave, terahertz, light and other wave bands) focusing, deflection, polarization conversion and other aspects by virtue of its flexible control mode and high integration. DRAWINGS

[0015] In order to make the content of the utility model more easily understood clearly, the utility model is further described in detail below according to specific embodiments and in conjunction with the drawings.

[0016] Figure 1 It is a glass substrate positive pattern structure schematic diagram of the utility model;

[0017] Figure 2 It is a glass substrate negative pattern structure schematic diagram in the utility model;

[0018] Figure 3 It is an array terahertz V-shaped antenna structure schematic diagram in the utility model;

[0019] Figure 4 It is an array antenna splicing structure schematic diagram in the utility model;

[0020] Figure 5The array antenna structure in the utility model Figure 3 transmits the terahertz focusing effect schematic diagram after the terahertz is transmitted.

[0021] In the drawing: 1, base; 2, antenna body. Specific embodiments

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Embodiments

[0024] As Figures 1-5 shown, the utility model discloses a kind of terahertz metamaterial antenna structure based on high-purity quartz glass substrate, including base 1 and the antenna body 2 of fixed setting on the upper surface of base 1, antenna body 2 is the antenna structure component of periodic arrangement, base 1 uses ultrathin high-purity quartz glass component, the antenna structure periodic size in this technical solution should satisfy less than working wavelength, so as to exert its subwavelength electromagnetic regulation related effect.

[0025] Specifically, antenna body 2 is uniformly arranged protruding component on the upper surface of base 1, the structure of antenna body 2 is V-shaped structure, the technical means in this technical solution not only includes V-shaped, but also can use square, rectangle, Fresnel type, round type and other subwavelength periodic structure antenna "positive pattern" or "negative pattern", just need to achieve effective focusing effect to terahertz after transmission.

[0026] Specifically, the included angle of the V-shaped structure of antenna body 2 can be changed by 45 ° gradient within 45 °-180 °, and the gradient change in the embodiment is only one of the gradient changes, and the staff can adjust according to the different frequencies when transmitting and focusing terahertz of different frequencies.

[0027] Specifically, the included angle of the V-shaped structure of antenna body 2 can be changed by 45 ° gradient within 45 °-180 °, and the gradient change in the embodiment is only one of the gradient changes, and the staff can adjust according to the different frequencies when transmitting and focusing terahertz of different frequencies.

[0028] Specifically, the antenna body 2 is laid on the upper surface of the base 1 as a whole layer structure, and the structure of the antenna body 2 is a V-shaped groove structure, and in the embodiment, the terahertz can also be processed by focusing.

[0029] Specifically, the antenna body 2 can adopt gold, silver, copper, aluminum and alloy structures, and in the embodiment, the material selection of the antenna body 2 only needs to process the terahertz by focusing.

[0030] The working principle and use process of the utility model are as follows: in the utility model, the convex male pattern structure or the female pattern structure of the groove can make the metamaterial antenna form effective focusing effect on the transmitted terahertz.

[0031] The above only is the preferred scheme of the utility model, and is not as the further limitation of the utility model, and all kinds of equivalent changes made by using the contents of the utility model specification and drawings are within the protection scope of the utility model.

Claims

1. A terahertz metamaterial antenna structure based on a high-purity quartz glass substrate, characterized by, The antenna includes a substrate (1) and an antenna body (2) arranged on the upper surface of the substrate (1), the antenna body (2) is a periodic arrangement of antenna structure members, and the substrate (1) is made of ultra-thin high-purity quartz glass.

2. The THz metamaterial antenna structure based on high purity quartz glass substrate according to claim 1, characterized in that: The antenna body (2) is arranged on the upper surface of the substrate (1) in a uniform manner, and the structure of the antenna body (2) is a V-shaped structure.

3. The THz metamaterial antenna structure based on high purity quartz glass substrate according to claim 2, characterized in that: The included angle of the V-shaped structure of the antenna body (2) can be varied in a gradient of 45° within 45°-180°.

4. The THz metamaterial antenna structure based on high purity quartz glass substrate according to claim 3, characterized in that: A plurality of rows of antenna bodies (2) arranged in the middle region of the upper surface of the substrate (1) are arranged at an included angle of 45°, and when the antenna bodies (2) extend from the middle to both sides on the substrate (1), the included angle of the antenna bodies (2) is arranged to increase to 180° and then decrease to 45° in turn.

5. The THz metamaterial antenna structure based on high purity silica glass substrate according to claim 1, characterized in that: The antenna body (2) is arranged on the upper surface of the substrate (1) in a whole layer structure, and the structure of the antenna body (2) is a V-shaped groove structure.

6. The THz metamaterial antenna structure based on high purity silica glass substrate according to claim 1, characterized in that: The antenna body (2) can be made of gold, silver, copper, aluminum and alloy structures.

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