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A phase-shifting unit containing graphene and its phase-controlled antenna

A graphene and graphene sheet technology, applied in the field of terahertz electronic radar antennas, can solve the problems of long switching time, poor high-frequency performance of varactor diode phase shifters, and large size of PIN diode phase shifters.

Inactive Publication Date: 2020-01-07
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the high-frequency performance of the varactor diode phase shifter is poor, the excitation power required by the ferrite phase shifter is large, the switching time is long, the PIN diode phase shifter is bulky, and the processing of the MEMS phase shifter is difficult, etc. factors, and it is difficult to apply to high frequency

Method used

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  • A phase-shifting unit containing graphene and its phase-controlled antenna
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  • A phase-shifting unit containing graphene and its phase-controlled antenna

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Embodiment Construction

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0030] The object of the present invention is to provide a phase-shifting unit containing graphene and a phase-controlled antenna composed of the same, whose phase is continuously adjustable and can work in the entire terahertz band.

[0031] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and sp...

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Abstract

The invention discloses a graphene-containing phase shift unit and a phase-controlled antenna comprising the same. A substrate, a graphene sheet and a metal patch are arranged, wherein the graphene sheet is arranged on an upper surface of the substrate, and the metal sheet is arranged on the upper surface of the substrate and is connected with the graphene sheet. The distribution of an electromagnetic field in the metal patch is changed by adjusting a chemical potential of the graphene sheet, and phase distribution of the graphene-containing phase shift unit is further adjusted. The inventiondiscloses the graphene-containing phase shift unit and the phase-controlled antenna comprising the same. The phase is continuous and adjustable, and the phase-controlled antenna can work in the wholeterahertz wave band.

Description

technical field [0001] The invention relates to the field of terahertz electronics radar antennas, in particular to a graphene-containing phase shifting unit and a phased antenna formed thereof. Background technique [0002] Compared with microwave communication, terahertz communication has the following advantages: fast transmission rate, large capacity, and wide instantaneous bandwidth; narrower beam, better directivity; shorter wavelength, terahertz devices, antennas and systems can be made Smaller and more compact. Although terahertz communication has significant advantages, so far, there are few research results on terahertz space communication. The main reason is that traditional electronics and optical technologies and devices cannot fully meet the requirements of terahertz waves and terahertz communication. Requirements for communication system components such as antennas. The operating frequency of graphene covers the terahertz frequency band, and its preparation ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q3/30H01Q3/34H01Q3/26H01Q5/28H01Q19/00
CPCH01Q3/26H01Q3/30H01Q3/34H01Q5/28H01Q19/005
Inventor 阮久福赵欣悦黄波刘玉宝宋哲王小康
Owner HEFEI UNIV OF TECH
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