Adjustable and controllable spatial electromagnetic induction transparent metamaterial device

An electromagnetic induction transparent, metamaterial technology, applied in electrical components, antennas, etc., can solve the problem of inability to control the operating frequency of EIT-MMs, and achieve the effects of reversible control process, easy mass production, and simple device structure

Inactive Publication Date: 2014-10-29
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology

[0005] In view of the above defects or improvement needs of the prior art, the present invention provides an adjustable spatial electromagnetic induction transparent metamaterial device, which can ...

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  • Adjustable and controllable spatial electromagnetic induction transparent metamaterial device
  • Adjustable and controllable spatial electromagnetic induction transparent metamaterial device
  • Adjustable and controllable spatial electromagnetic induction transparent metamaterial device

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[0018] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0019] Such as figure 1 with figure 2 As shown, the electromagnetically induced transparent metamaterial device of the embodiment of the present invention includes a substrate 1 and a metal unit array 2 on the substrate 1 capable of producing electromagnetically induced transparency. The metal unit array 2 includes a plurality of metal units 4 distributed in an array, the metal unit 4 include...

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Abstract

The invention discloses an adjustable and controllable spatial electromagnetic induction transparent metamaterial device. The device comprises a substrate and a metal unit array which is positioned on the substrate and can be used for generating an electromagnetic induction transparent phenomenon, wherein the metal unit array comprises a plurality of metal units which are distributed in an array form; each metal unit comprises a first metal microstructure and a second metal microstructure; each first metal microstructure comprises a first metal pattern; each second metal microstructure comprises a second metal pattern; each first metal microstructure and/or each second metal microstructure further comprises a semiconductor element. By adopting the adjustable and controllable spatial electromagnetic induction transparent metamaterial device, the problem of incapability of easily and rapidly adjusting and controlling the working frequency of the electromagnetic induction transparent metamaterial in the prior art can be effectively solved, and a large modulation depth and a high switching speed can be realized. The device can be widely applied to the technical fields of slow light modulation, optical switches, sensors, wireless communication and the like.

Description

technical field [0001] The invention belongs to the technical field of electromagnetic functional materials, and more specifically relates to an adjustable spatial electromagnetic induction transparent metamaterial device. Background technique [0002] The phenomenon of Electromagnetically Induced Transparency (EIT) is generated by quantum interference in the interaction system between light and atoms. Through the interaction between the external electromagnetic field and the medium, the absorption coefficient of the medium for a certain light changes, and the incident light The absorption is reduced or even no longer absorbed, so that its transmittance increases. This phenomenon leads to drastic changes in the dispersion at the EIT, which makes the EIT phenomenon have potential applications in the fields of slow light, sensors, and optical switches. However, in the actual process, the generation of EIT requires very complicated devices and harsh conditions, which greatly r...

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Application Information

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IPC IPC(8): H01Q15/00
Inventor 陈长虹孟德佳
Owner HUAZHONG UNIV OF SCI & TECH
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