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Band elimination filter based on artificial surface plasmon and complementary split-ring resonator

A technology of artificial surface plasmon and complementary aperture resonance, which is applied to waveguide devices, electrical components, circuits, etc., can solve problems such as large structure size, and achieve the effects of simple adjustment, good filtering characteristics, and good scalability

Inactive Publication Date: 2016-10-12
JIANGSU SAIBO DEFENSE TECH CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

Most of the existing surface plasmon filters are made by using the characteristics of the periodic fold structure, and the structure size is large, which is subject to many restrictions in practical applications.

Method used

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  • Band elimination filter based on artificial surface plasmon and complementary split-ring resonator
  • Band elimination filter based on artificial surface plasmon and complementary split-ring resonator
  • Band elimination filter based on artificial surface plasmon and complementary split-ring resonator

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Embodiment Construction

[0026] Such as figure 1 As shown, the present invention is based on the artificial surface plasmon and complementary split resonator band stop filter, including the dielectric substrate and the metal structure on it, and the split resonant ring is etched into the metal part of the artificial surface plasmon waveguide superior. The waveguide is a typical artificial surface plasmon waveguide, including a coplanar waveguide 1 , a coupling structure 2 and periodic corrugated metal strips 3 , 4 . Among them, the coupling structure includes a folded structure with gradient grooves and two curved ground structures. Specifically, the coplanar waveguide is located at the end, the ground structure, and one end of the wrinkled structure with gradient groove gradients, and the other end extends toward the direction of the artificial surface plasmon. The artificial surface plasmon is located in the middle, and its two ends are respectively close to the ends of the wrinkled structure with...

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Abstract

The invention discloses a band stop filter based on an artificial surface plasmon and a complementary split resonant ring, which includes a dielectric substrate, a metal structure and a split resonant ring arranged on the dielectric substrate; the metal structure includes a coplanar A waveguide, an artificial surface plasmon waveguide, and a coupling structure connecting the coplanar waveguide and the artificial surface plasmon waveguide; the artificial surface plasmon waveguide is a periodically folded metal strip; the coupling structure includes The curved floor and the wrinkled structure with gradient gradient of the groove; the split resonant ring is etched on the artificial surface plasmon waveguide. The waveguide and the split resonant ring combined with the artificial surface plasmon device of the invention have good filtering characteristics at the corresponding frequency points; only by adjusting the radius of the complementary split resonant ring, multiple frequency points can be realized And broadband band-stop filter, easy to adjust, good scalability.

Description

technical field [0001] The invention belongs to the field of artificial electromagnetic materials, in particular to a band-stop filter based on artificial surface plasmons and complementary split resonant rings. Background technique [0002] New artificial electromagnetic materials (Metamaterials) refer to artificial composite materials with special conduction or radiation characteristics when electromagnetic waves propagate in them. It can also be said to be an electromagnetic material that can be artificially designed to meet specific equivalent permittivity and permeability requirements. . The new artificial electromagnetic material is based on the equivalent medium theory, that is, the equivalent permittivity and permeability can be changed by changing the size of the unit structure of the new artificial electromagnetic material. After more than ten years of development, new artificial electromagnetic materials have been greatly developed, and they are widely used in st...

Claims

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Application Information

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IPC IPC(8): H01P1/203
CPCH01P1/20336
Inventor 袁浩崔铁军万向周小阳张茜张浩驰
Owner JIANGSU SAIBO DEFENSE TECH CO LTD
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