Conical G-line radio frequency transmission device for terahertz frequency band coaxial line waveguide

A technology of radio frequency transmission and coaxial line, which is applied in the direction of waveguide, transmission system, waveguide-type devices, etc., to achieve the effect of easy processing, high efficiency, and easy processing and realization

Inactive Publication Date: 2016-03-16
10TH RES INST OF CETC
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  • Abstract
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Problems solved by technology

[0005] The purpose of the present invention is to provide a simple structure and easy to process for the limitation of the output power of the existing terahertz radiation source and the problem that the current terahertz object imaging and

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  • Conical G-line radio frequency transmission device for terahertz frequency band coaxial line waveguide

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Embodiment Construction

[0014] refer to figure 1 . In the embodiments described below, the coaxial waveguide tapered G-line radio frequency transmission device in the terahertz frequency band includes a coaxial waveguide 1 and a tapered G-line 3 . The coaxial waveguide 1 is provided with a metal region 4, a dielectric region 5 and an outer metal layer 6 of the coaxial waveguide from the inside to the outside. Connecting the tapered G line 3 , the external radio frequency signal enters the tapered G line 3 through the dielectric region 5 at the end of the coaxial waveguide 1 , and outputs the signal from the tip of the tapered G line 3 . The large end of the deformed tapered G-line transition structure 2 is butted and fixedly connected to the large end of the tapered G-line 3 , and the small end of the deformed tapered G-line transition structure 2 is butted and fixedly connected to the end surface of the outer metal layer 6 of the coaxial waveguide. The external radio frequency signal adopts the co...

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Abstract

The invention proposes a conical G-line radio frequency transmission device for terahertz frequency band coaxial line waveguide, and aims to provide a radio frequency transmission device which is simple in structure, is easy to process, can be used for achieving super-strong energy concentration characteristic and also can be used for improving terahertz imaging quality and enhancing signal emission power. The radio frequency transmission device is implemented according to the below scheme: the coaxial line waveguide is provided with a metal region (4), a medium region (5) and a coaxial line waveguide external metal layer (6) from inside to outside, the coaxial line waveguide is in transition interconnection with a conical G line (3) through a segment of deformed conical G-line transition structure, an external radio frequency signal is used for radio frequency energy input to the conical G line (3) through the metal region at the tail end of the coaxial line waveguide (1), and a signal is transmitted from a tip part of the conical G line (3). By the conical G-line radio frequency transmission, the problems of high requirement for fabrication process of a terahertz waveguide structure, difficulty in actual application, difficulty in processing and the like in the prior art are solved.

Description

technical field [0001] The invention relates to a radio frequency transmission device that can be widely used in terahertz imaging and signal transmission. Background technique [0002] Electromagnetic waves with a frequency in the range of 0.1 to 10.0 THz are called terahertz waves. Between the millimeter wave frequency band and the infrared frequency band, the terahertz frequency band electromagnetic wave band belongs to the far infrared band, which has unique properties such as short wavelength, good directionality, low photon energy, and high penetration. The terahertz system is used in semiconductor materials, high-temperature superconducting The research on the properties of materials, tomographic imaging technology, marker-free genetic inspection, cell-level imaging, chemical and biological inspection, broadband communication, microwave orientation and many other fields have a wide range of applications. Due to the special location of THz wave, it has many superior c...

Claims

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Application Information

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IPC IPC(8): H01P3/06H04B1/40
Inventor 王志辉
Owner 10TH RES INST OF CETC
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