Imitated localized surface plasmon metamaterial subwavelength rectifying antenna with spiral etching structure

A local surface plasmon and rectifying antenna technology, which is applied to antennas, antenna grounding devices, electrical components, etc., can solve the problems of large and large collection antennas, and achieve the effects of light weight, small size, and low cost

Inactive Publication Date: 2016-08-17
SHANGHAI UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

The bandwidth and gain of a conventional antenna depend on its geometric structure and size, and higher gain often means larger size
At this time, compared with modules such as rectifier circuits, energy management and storage, and sensors, the size of the collection antenna is too large. For a wireless sensor network with hundreds or thousands of nodes, such a large antenna is impractical

Method used

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  • Imitated localized surface plasmon metamaterial subwavelength rectifying antenna with spiral etching structure
  • Imitated localized surface plasmon metamaterial subwavelength rectifying antenna with spiral etching structure
  • Imitated localized surface plasmon metamaterial subwavelength rectifying antenna with spiral etching structure

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Embodiment Construction

[0018] The present invention will be further elaborated below in conjunction with the accompanying drawings and preferred embodiments.

[0019] see figure 1 , figure 2 with image 3 , a sub-wavelength rectifying antenna imitating localized surface plasmon metamaterials etched spirally, which sequentially includes a grooved metal ring structure 1, an upper dielectric layer 2, and a microstrip line metal patch 3, from top to bottom. The lower dielectric layer 4 and the metal floor 5 with etched spiral structure; the grooved metal ring structure 1, the upper dielectric layer 2, the microstrip metal patch 3, and the lower dielectric layer 4 and the metal floor 5 are bonded to each other .

[0020] The grooves uniformly distributed in the circumferential direction are etched on the grooved metal ring structure 1, and are divided into two parts by the ring structure 6, the inner and outer grooves, wherein the inner groove is a straight groove, and the outer groove is composed o...

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Abstract

The invention discloses an imitated localized surface plasmon metamaterial subwavelength rectifying antenna with a spiral etching structure. The antenna sequentially comprises a grooving metal ring structure, an upper medium layer, a microstrip line metal patch, a lower medium layer and a metal floor of a spiral etching structure from top to bottom, wherein the grooving metal ring structure, the upper medium layer, the microstrip line metal patch, the lower medium layer and the metal floor are mutually laminated. The imitated localized surface plasmon-based subwavelength antenna has the advantages of being small in size (subwavelength), light in weight, low in cost, relatively high in gain and the like, and is suitable for being applied to a wireless energy collection system; and electronic equipment of a WSN, an RFID and the like are supplied with electricity by the antenna.

Description

technical field [0001] The invention relates to a sub-wavelength rectifying antenna imitating a localized surface plasmon metamaterial that etches a spiral ground, which belongs to the technical field of new artificial electromagnetic materials, energy collection and recovery, and the rectifying antenna can be applied to the Internet of Things, radio frequency identification ( RFID) and wireless sensor networks (WSN) and other fields. Background technique [0002] As the two core technologies of the Internet of Things, radio frequency identification (RFID) and wireless sensor network (WSN) have attracted great attention from the international academic and business circles, and government departments of various countries are also actively promoting the development of the Internet of Things. IoT technologies such as WSN and RFID have been applied in various fields: such as national defense security, space detection, environmental monitoring, etc. RFID and WSN nodes are widely...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/38H01Q1/48H01Q15/00
CPCH01Q1/38H01Q1/48H01Q15/0086
Inventor 周永金杨柳
Owner SHANGHAI UNIV
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