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Tortuous two-way surface wave splitter

A wave splitter and surface wave technology, applied in the direction of electrical components, impedance networks, etc., to achieve the effects of wide application range, easy processing, and small bending loss

Active Publication Date: 2011-11-02
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A variety of surface wave splitter structures have been proposed, but no curved splitter has been realized. In practice, electromagnetic waves often need to be propagated along a curved path. In addition, the commonly used artificial surface plasmon coupling structures include prisms, slots and metal grating structures etc.

Method used

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  • Tortuous two-way surface wave splitter
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  • Tortuous two-way surface wave splitter

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Embodiment Construction

[0015] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0016] The present invention includes two left and right metal grating structures 1 and metal wires arranged at one end of the left and right metal grating structures 1 (that is, the two metal grating structures 1 surround the metal wires). The included angle between the two metal grating structures 1 is arbitrary and does not need to face each other. The surface waves of the two metal grating structures 1 are excited by metal wires supporting surface wave propagation. The curvature and thickness of the two metal grating structures 1 can be adjusted.

[0017] see figure 1 and figure 2 , in this embodiment, the implementation of the wave splitter in the microwave section is to use the extended coaxial inner conductor 21 as a metal wire to excit...

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Abstract

The invention discloses a tortuous two-way surface wave splitter, which comprises two metal grating structures (1) and metal wires, wherein each metal grating structure (1) is adjustable in thickness and tortuosity; the metal wires are arranged at one end of each of the two metal grating structures (1); the surfaces of the two metal grating structures (1) are provided with grooves (12) with different structural parameters respectively; and the structural parameters comprise a depth, a width, a cycle and a cross section shape. In the tortuous two-way surface wave splitter, artificial surface plasmas on the metal grating structures (2) of which the surfaces are provided with the grooves (12) are excited by the metal wires. The tortuous two-way surface wave splitter realizes the functions of the two-way surface wave splitter with relatively lower bending loss for the first time, and is simple, effective, convenient to machine and wide in application range.

Description

technical field [0001] The invention relates to a wave splitter, in particular to a curved bidirectional surface wave splitter, which belongs to the fields of optical communication, terahertz components, data storage and surface technology. Background technique [0002] Artificial surface plasmons (surface waves) are not restricted by the diffraction limit, so they can be used to construct miniaturized components, and have important applications in surface technology and data storage. [0003] Effectively controlling the propagation of surface waves is crucial to realize these potentially important applications. A variety of surface wave splitter structures have been proposed, but no curved splitter has been realized. In practice, electromagnetic waves often need to be propagated along a curved path. In addition, the commonly used artificial surface plasmon coupling structures include prisms, slots and metal grating structures, etc. Contents of the invention [0004] Aim...

Claims

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Application Information

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IPC IPC(8): H03H9/72
Inventor 崔铁军周永金
Owner SOUTHEAST UNIV
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