Terahertz waveguide type mode selector based on multimode resonance

A terahertz, mode selector technology, applied in waveguide-type devices, circuits, electrical components, etc., can solve the problems of large loss, unstable performance, low transmittance, etc., and achieve low cost, small size, and easy integration. Effect

Pending Publication Date: 2022-07-29
GUILIN UNIV OF ELECTRONIC TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Existing devices or systems that have been actually developed generally have problems such as large loss, low transmittance, and unstable performance.

Method used

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  • Terahertz waveguide type mode selector based on multimode resonance
  • Terahertz waveguide type mode selector based on multimode resonance
  • Terahertz waveguide type mode selector based on multimode resonance

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Embodiment Construction

[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention. Additionally, the scope of the present invention should not be limited only to the specific structures or components or specific parameters described below.

[0024] The multi-mode resonance-based terahertz waveguide mode selector provided by the present invention is a terahertz functional device, which includes two flat plates engraved with periodic undulating groove structures, and the surface of the flat plates is covered with a terahertz...

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Abstract

The invention provides a terahertz waveguide type mode selector based on multimode resonance, and belongs to the technical field of micro-nano optical devices and optical communication, the terahertz waveguide type mode selector comprises two flat plates engraved with periodically fluctuating groove structures, metal materials with low terahertz frequency band loss are laid on the surfaces of the flat plates, and the groove structures of the two flat plates are symmetrically arranged in parallel. And a cavity with a rectangular structure is formed between the groove structures of the two flat plates. The metal material is gold, and the loss coefficient of the metal material in the terahertz wave band is about 6cm <-1 >. Dielectric media sensitive in the terahertz frequency band are filled in the cavity of the rectangular structure, so that tuning of the terahertz working frequency band is achieved. And the dielectric medium is a liquid crystal material. The terahertz waveguide type mode selector based on multimode resonance has the advantages of being simple in structure, small in size, low in cost, easy to integrate and the like.

Description

technical field [0001] The invention belongs to the technical field of micro-nano optical devices and optical communication, in particular to a terahertz waveguide type mode selector based on multi-mode resonance. Background technique [0002] Terahertz waves are electromagnetic waves with a frequency range of 0.1THz-10 THz and wavelengths between microwaves and infrared radiation. Terahertz waves have unique characteristics that both microwave and infrared radiation do not have. , medical imaging and other fields have a wide range of research value and application prospects. In recent years, research related to terahertz waves has become a research hotspot in the field of optics, especially the research on building a complete terahertz system for industrial investment and application. Terahertz systems mainly include radiation sources, detection devices and various functional devices, among which terahertz wave functional devices (such as filters, beam splitters, mode conv...

Claims

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Application Information

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IPC IPC(8): H01P1/207
CPCH01P1/207
Inventor 陶智勇张仕旸马静何海玲刘欢佟成国樊亚仙
Owner GUILIN UNIV OF ELECTRONIC TECH
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