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Planar periodic gradient rainbow local area device

A local device and planar technology, applied in waveguide devices, waveguides, circuits, etc., can solve the problems of large bandwidth and achieve the effects of large bandwidth, small transmission loss, and simple structure

Inactive Publication Date: 2013-01-02
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] 2. Large bandwidth

Method used

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  • Planar periodic gradient rainbow local area device
  • Planar periodic gradient rainbow local area device
  • Planar periodic gradient rainbow local area device

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Embodiment Construction

[0029] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention Modifications in equivalent forms all fall within the scope defined by the appended claims of this application.

[0030] see figure 1 , figure 2 , image 3 and Figure 4 As shown, the planar periodic gradient rainbow localizer of the present invention is a planar periodic gradient rainbow localizer based on artificial surface plasmon polaritons. The planar periodic gradient rainbow localizer of the present invention has a planar structure, and the planar periodic gradient rainbow localizer is composed of periodically arranged metal units 1, wherein the number of metal units 1 is...

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Abstract

The invention discloses a planar periodic gradient rainbow local area device. The planar periodic gradient rainbow local area device is of a planar structure; the planar periodic gradient rainbow local area device consists of metal units which are periodically arranged; grooves vertical to the length direction of the planar periodic gradient rainbow local area device are arranged on the metal units; the grooves are all positioned at the same side of the planar periodic gradient rainbow local area device; the grooves have the same lengths and depths; and from one end to the other end of the planar periodic gradient rainbow local area device, the lengths of the metal units are gradually increased or decreased along the length direction of the planar periodic gradient rainbow local area device. According to the planar periodic gradient rainbow local area device disclosed by the invention, on the basis of the spoof surface plasmon polariton, electromagnetic waves in the specific frequency band can stop at different positions and can work in a random frequency band by amplifying or reducing the size in equal proportion, and thus, the planar periodic gradient rainbow local area device has high application value. The planar periodic gradient rainbow local area device has the characteristics of planarity, large bandwidth, simple structure and low transmission loss and has the important application prospect in the fields of the novel design of a microwave device and the like.

Description

technical field [0001] The invention belongs to the field of artificial surface plasmon polaritons, and relates to a device for realizing the rainbow local phenomenon in the microwave frequency band, in particular to a plane periodic gradient rainbow local device. Background technique [0002] Waveguides based on surface plasmon polaritons (Surface Plasmon Polariton) can conduct electromagnetic waves with the same size and bandwidth as traditional photonic circuits, and are not limited by the diffraction limit. This makes it possible for SPP devices to realize the perfect combination of photons and electronic components on the nanometer scale in the future, so it has attracted wide attention from scholars. [0003] However, SPPs in nature only exist in the optical band. In order to realize SPPs in lower frequency bands (THz, GHz), artificial surface plasmon polaritons (Spoof Surface Plasmon Polaritons) have been proposed. SSPP is a new type of material that can be artificia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01P3/00
Inventor 崔铁军赵沛杨艳沈晓鹏
Owner SOUTHEAST UNIV
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