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Novel electromagnetic metasurface with non-reciprocal transmission phase

A non-reciprocal, electromagnetic super technology, applied in electrical components, antennas, etc., can solve the problem of narrow bandwidth linear response reciprocity, etc., to achieve the effect of easy customization, easy implementation, and convenient processing

Pending Publication Date: 2022-04-29
SOUTHEAST UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Early research on metasurfaces mainly focused on passive metasurfaces. Although they have many unique electromagnetic properties, they also have many limitations, including narrow bandwidth, linear response, and reciprocity.

Method used

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  • Novel electromagnetic metasurface with non-reciprocal transmission phase
  • Novel electromagnetic metasurface with non-reciprocal transmission phase
  • Novel electromagnetic metasurface with non-reciprocal transmission phase

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Embodiment Construction

[0025] In the present invention, a novel electromagnetic metasurface with a non-reciprocal transmission phase is formed by an arrangement of units integrating active devices (such as radio frequency amplifiers, radio frequency gain modules, etc.), and the units integrate the active devices in a pair of Will The Kings power divider makes the unit have non-reciprocal transmission phase characteristics. By designing the transmission phase of each unit, the metasurface can have a non-reciprocal transmission phase, and different non-reciprocal functions can be designed arbitrarily, such as non-reciprocal energy transmission, non-reciprocal beam direction regulation, non-reciprocal Easy beam focusing etc. The present invention will be further described below in conjunction with accompanying drawing.

[0026] figure 1 is a theoretical model schematic diagram of a new type of electromagnetic metasurface with a non-reciprocal transmission phase. The electromagnetic metasurface is com...

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Abstract

The invention provides a novel electromagnetic metasurface with a nonreciprocal transmission phase, which is formed by arranging units integrated with active devices (such as a radio frequency amplifier, a radio frequency gain module and the like), and the units have the nonreciprocal transmission phase characteristic by integrating the active devices into a pair of Wilgold power dividers. By designing the transmission phase of each unit, the metasurface can have a non-reciprocal transmission phase, and different non-reciprocal functions such as non-reciprocal energy transmission, non-reciprocal beam direction regulation and control, non-reciprocal beam focusing and the like can be designed at will. The antenna has the advantages of being easy to design, low in profile, low in cost, high in integration level, customizable in function and the like, and has important application prospects in the fields of high-performance antennas, electromagnetic transceiving systems and the like.

Description

technical field [0001] The invention belongs to the field of novel artificial electromagnetic materials, and in particular relates to a novel electromagnetic metasurface based on basic units. Background technique [0002] New artificial electromagnetic materials, also known as electromagnetic metamaterials, have attracted extensive attention from various circles in the past decade due to their ability to control the propagation of electromagnetic waves. Electromagnetic metasurface is a new type of planar artificial electromagnetic material, which is a periodic or quasi-periodic two-dimensional surface structure composed of subwavelength units arranged according to certain rules. Because of its advantages of small size, low profile, low cost, and easy conformality, as well as its strong ability to regulate electromagnetic waves, it has become a research hotspot in related fields in recent years. Early research on metasurfaces mainly focused on passive metasurfaces. Although ...

Claims

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Application Information

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IPC IPC(8): H01Q15/00
CPCH01Q15/0086
Inventor 李允博王诗宇张谦威戚开南张志磊
Owner SOUTHEAST UNIV
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