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End-fire type artificial surface plasmon antenna

A technology of artificial surface plasmon and surface plasmon polariton, which is applied in the direction of antenna, radiating element structure, antenna grounding switch structure connection, etc., can solve the problem of not very high dipole gain, and achieves simple design and high radiation efficiency. , the effect of improving radiation characteristics

Inactive Publication Date: 2016-05-04
SOUTHEAST UNIV
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Problems solved by technology

However, in the microwave and terahertz bands, the gain of dipoles is often not very high

Method used

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  • End-fire type artificial surface plasmon antenna
  • End-fire type artificial surface plasmon antenna
  • End-fire type artificial surface plasmon antenna

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Embodiment Construction

[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0022] The present invention proposes an end-fire artificial surface plasmon antenna, the purpose of which is to realize electromagnetic wave radiation in the end-fire direction.

[0023] The end-fired artificial surface plasmon antenna uses a traditional microstrip transmission line for feeding, and uses a metal strip line structure with a gradually changing width placed on the upper and lower layers of the medium and a unilateral corrugated strip line with a gradually changing groove depth. The efficient conversion from microstrip transmission line to surface plasmon waveguide is realized, and the surface plasmon waveguide is used to feed the printed dipole a...

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Abstract

The invention discloses an end-fire type artificial surface plasmon antenna, comprising a medium substrate, a microstrip line, a surface plasmon waveguide, a transition transmission line from the microstrip line to the surface plasmon waveguide, a printing dipole and an I-shaped structural resonator array; the end-fire type artificial surface plasmon antenna works at a microwave frequency band; feed is carried out by the microstrip line; transition to the surface plasmon waveguide is realized through the transition transmission line; the artificial surface plasmon waveguide is taken as activation; the printing dipole is taken as a main radiation part; meanwhile the radiation performance is improved through the I-shaped structural resonator array. The antenna of the invention is featured by simple structure, easy processing, small size, high gain and high radiation efficiency and can realize radiation of the artificial surface plasmon in the end-fire direction.

Description

technical field [0001] The invention belongs to the field of novel artificial electromagnetic media and wireless communication system electronic devices, and in particular relates to an end-fire artificial surface plasmon antenna. Background technique [0002] In recent years, artificial surface plasmons have aroused great interest in the fields of scientific research and engineering. Artificial surface plasmon waveguides are considered to be a promising new type of transmission line from microwave to terahertz. A typical artificial surface plasmon waveguide uses a one-dimensional or two-dimensional subwavelength periodic structure on the metal surface layer to realize the propagation of artificial surface plasmons. Among them, many valuable works are realized by using subwavelength wrinkled structures. To realize the widespread application of artificial surface plasmon waveguides, they need to be combined with conventional waveguides. With the gradual simplification of th...

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Application Information

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IPC IPC(8): H01Q1/38H01Q1/50H01Q13/08
CPCH01Q1/38H01Q1/50H01Q13/08
Inventor 崔铁军尹佳媛
Owner SOUTHEAST UNIV
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