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Force/electricity dual-adjustable multi-band reflection type polarization insensitive resonator

A multi-band, reflective technology, applied in the field of terahertz wave applications, can solve problems such as troublesome, frequency band limitation and single control method, and achieve the effect of flexible operation, high application value and small size

Active Publication Date: 2021-06-01
ZHEJIANG LAB +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But generally speaking, once these conventional control devices are designed and produced, the control methods are relatively single and cumbersome, and the frequency bands that can be controlled are relatively limited, which seriously limits the application and development of terahertz technology. Therefore, designing a multi-channel Regulation and multi-band resonators are of great significance

Method used

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  • Force/electricity dual-adjustable multi-band reflection type polarization insensitive resonator
  • Force/electricity dual-adjustable multi-band reflection type polarization insensitive resonator
  • Force/electricity dual-adjustable multi-band reflection type polarization insensitive resonator

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Embodiment 1

[0034] In this embodiment, the structure of the force / electricity dual adjustable multi-band reflective polarization-insensitive resonator and the shapes of the components are as described above, so details are not repeated here. But the specific parameters of each part are as follows: resonant ring air groove 3, vertical rectangular air groove 4, horizontal rectangular air groove 5, vertical U-shaped air groove 6, and horizontal U-shaped air groove 7 are all filled with air. The resonant ring air groove 3 has an outer side length of 120 μm, an inner side length of 110 μm, and a thickness of 2 μm. The vertical rectangular air slots 4 and the horizontal rectangular air slots 5 are equal in size, both have a length of 150 μm, a width of 20 μm, and a thickness of 2 μm. The vertical U-shaped air groove 6 and the horizontal U-shaped air groove 7 are equal in size. The vertical U-shaped air groove 6 has a thickness of 2 μm, the vertical rectangle has a length of 150 μm and a width ...

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Abstract

The invention discloses a force / electricity dual adjustable multi-band reflection type polarization insensitive resonator. The resonator comprises N*N structure units which are periodically arranged on a plane, each structure unit comprises a two-dimensional graphene nanolayer, a metal layer and a flexible dielectric layer, the two-dimensional graphene nanolayer is located at a top layer, the metal layer is located below the two-dimensional graphene nanolayer, and a flexible dielectric layer is located below the metal layer; and resonant ring air grooves, vertical rectangular air grooves, transverse rectangular air grooves, vertical U-shaped air grooves and transverse U-shaped air grooves are formed in the metal layer. According to the resonator, the flexible dielectric layer is used, and an external force is applied to the device so that the deformation of the device is realized, and the overall resonant characteristic of the device is regulated and controlled. The top layer of the resonator is the two-dimensional graphene nanolayer, and the chemical potential of the two-dimensional graphene nanolayer is changed by electrifying so that the reflectivity at the resonant point of the device is controlled.

Description

technical field [0001] The invention relates to the technical field of terahertz wave applications, in particular to a force / electricity dual adjustable multi-band reflective polarization-insensitive resonator. Background technique [0002] Terahertz waves refer to electromagnetic waves with a frequency of 0.1-10 THz and corresponding wavelengths in the range of 3000-30 μm. The electromagnetic radiation between the microwave and infrared bands occupies a very special position in the electromagnetic spectrum. In recent years, as terahertz technology has attracted widespread attention in the fields of high-speed communication, imaging, and radar, various terahertz wave switches, terahertz filters, and terahertz wave modulators have been reported. But generally speaking, once these conventional control devices are designed and produced, the control methods are relatively single and cumbersome, and the frequency bands that can be controlled are relatively limited, which seriousl...

Claims

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Application Information

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IPC IPC(8): H01Q15/00
CPCH01Q15/002
Inventor 李九生李达
Owner ZHEJIANG LAB
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