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Surface plasmon wave separator based on composite cycle and single cycle

A surface plasmon and recombination period technology, applied in waveguide devices, electrical components, circuits, etc., can solve problems such as unfavorable integration, and achieve the effects of convenient production, low complete loss, and easy integration

Active Publication Date: 2013-07-10
SOUTHEAST UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

The existing artificial surface plasmon wave splitter structure is usually a combination of several limited-thick single-period structures with different groove depths, which is not conducive to the realization of integration

Method used

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  • Surface plasmon wave separator based on composite cycle and single cycle
  • Surface plasmon wave separator based on composite cycle and single cycle
  • Surface plasmon wave separator based on composite cycle and single cycle

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings.

[0017] Such as figure 1 Shown is a surface plasmon wave splitter based on recombination period and single period, including a funnel-shaped grating structure printed on a flexible medium. The grating structure includes two opposite and parallel recombination period straight metal Grating structure 1, two single-period circular arc metal grating structures 2 facing each other, two single-period straight metal grating structures 3 facing each other and forming a certain opening angle, the composite periodic straight metal grating structure 1 and single-period straight metal grating structure The grating structures 3 are tangentially connected by a single-period arc metal grating structure 2; the inner side of the compound-period straight metal grating structure 1 is interlaced with a row of deep grooves A and shallow grooves B, and a group of connected single-period A r...

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Abstract

The invention discloses a surface plasmon wave separator based on a composite cycle and a single cycle. The surface plasmon wave separator comprises a funnel-shaped grating structure which is printed on a flexible medium. The grating structure comprises two composite-cycle straight-metal grating structures which are opposite in position and parallel, two single-cycle arc-metal grating structures which are opposite in position and two single-cycle straight-metal grating structures which are opposite in position and forms a certain field angle. A row of deep grooves A and a row of shallow grooves B are formed in a staggered mode in the inner sides of the composite-cycle straight-metal grating structures. A row of deep grooves A are formed in the inner sides of a group of coterminous single-cycle arc-metal grating structure and single-cycle straight-metal grating structure. A row of shallow grooves B are formed in the inner sides of a group of coterminous single-cycle arc-metal grating structure and single-cycle straight-metal grating structure. According to the surface plasmon wave separator based on the composite cycle and the single cycle, the plasmon wave separator of an ultrathin flexible thin film based on the composite cycle structure and the single cycle structure is achieved at the first time in a microwave section. The surface plasmon wave separator based on the composite cycle and the single cycle has the advantages of being high in wave separating efficiency, simple in structure and convenient to manufacture.

Description

technical field [0001] The invention relates to a wave splitter, in particular to a surface plasmon wave splitter printed on a flexible ultra-thin dielectric film with a thickness close to zero and based on a compound cycle and a single cycle, belonging to communication, integration Circuit and surface wave technology field. Background technique [0002] Artificial surface plasmons are not limited by the diffraction limit, so they can be used to construct miniaturized devices, and have important applications in surface technology and integrated circuits. The existing artificial surface plasmon wave splitter structure is usually a combination of several limited-thick single-period structures with different groove depths, which is not conducive to the realization of integration. The dual-band surface wave is transmitted by using the composite periodic grating structure with alternate groove depths on the ultra-thin metal surface, and the dual-band surface wave in the composit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01P1/213
Inventor 崔铁军高喜马慧锋
Owner SOUTHEAST UNIV
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