Terahertz directional coupler with h-plane slotted waveguide

A directional coupler and terahertz technology, applied in waveguide devices, circuits, connecting devices, etc., can solve problems such as complex structure of terahertz coupler, difficulty in processing terahertz coupler, and influence on the application of terahertz frequency band, achieving outstanding Practical features, ease of implementation, and improved processing feasibility

Active Publication Date: 2019-12-31
CHONGQING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0004] The present invention aims to solve the problems in the prior art that the structure of the terahertz coupler is complex, the output error is large, the processing of the terahertz coupler is difficult, the efficiency of power distribution is low, and the performance is unstable, which affects the practical application in the terahertz frequency band.

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  • Terahertz directional coupler with h-plane slotted waveguide
  • Terahertz directional coupler with h-plane slotted waveguide
  • Terahertz directional coupler with h-plane slotted waveguide

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Embodiment Construction

[0019] The technical solutions in the embodiments of the present invention will be described clearly and in detail below with reference to the drawings in the embodiments of the present invention. The described embodiments are only some of the embodiments of the invention.

[0020] The technical scheme that the present invention solves the problems of the technologies described above is:

[0021] This embodiment takes the 3dB coupler working at 370GHz as an example, figure 1 It is the three-dimensional structure diagram of the coupler, which mainly includes two 1 / 4 circular rectangular waveguides and the bending structure at the input and output ports. When one of the two waveguides is defined as the main waveguide, the other is the secondary waveguide. The main and auxiliary waveguides intersect at the central position to form a crack on the H surface of the waveguide, so that the electromagnetic wave input by the main waveguide can be coupled into the secondary waveguide t...

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Abstract

The invention makes a request of protection of an H-plane-fracture-waveguide terahertz directional coupler and relates to a terahertz circuit unit assembly. A core coupling region of the coupler is formed by two one-quarter-circular-ring rectangular waveguides; one waveguide serves as a main waveguide and the other waveguide serves as an auxiliary waveguide; and the two waveguides are intersectedat the middle position of one side of a narrow edge to form a fracture with an H-plane waveguide. Specially-shaped bending structures are connected to the two ends of the main waveguide and the auxiliary waveguide, so that a testing device or another device is connected with an input port and an output port of the coupler. The four ports are arranged at the centers of four planes of the square. The coupler that has a simple structure and is implemented conveniently and designed ingeniously has excellent practical performance and is improved well; and thus the couple is suitable for large-scalepopularization and application.

Description

technical field [0001] The invention belongs to a terahertz circuit unit assembly, in particular to an H-plane cracked waveguide terahertz directional coupler. Background technique [0002] Terahertz radiation usually refers to electromagnetic radiation with a frequency between the microwave and infrared bands. It is a special area on the electromagnetic spectrum that transitions from electronics to photonics, and its frequency ranges from 0.1 to 10 THz. The long-wave band of terahertz wave overlaps with the submillimeter wave band, and its development mainly depends on electronics science and technology; while the short-wave band and far-infrared wave band overlap, its development mainly relies on photonic science and technology. It can be seen that terahertz wave is the direction of macro electronics The transition frequency band of microphotonics occupies a very special position in the electromagnetic spectrum. Due to its special location, terahertz waves can exhibit man...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01P5/18
CPCH01P5/18
Inventor 潘武承皓李选尹霞
Owner CHONGQING UNIV OF POSTS & TELECOMM
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