A high-power millimeter-wave and terahertz radiation source device

A terahertz radiation source and millimeter wave technology, applied in the coupling device of the time-of-flight electron tube, the collector of the time-of-flight electron tube, the circuit components of the time-of-flight electron tube, etc., can solve the problem of electron beam frequency fluctuation, The terahertz radiation signal has a large relationship with the electron beam voltage, and the cost of the terahertz radiation source is high, so as to eliminate reflection, improve efficiency, and improve practicability

Inactive Publication Date: 2015-08-05
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

[0004] However, the cost of obtaining high-power terahertz radiation sources is high, and the frequency tuning of the terahertz radiation signals obtained at the same time has a large relationship with the voltage of the electron beam, and the frequency fluctuation is easily caused by the fluctuation of the electron beam.

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  • A high-power millimeter-wave and terahertz radiation source device

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0029] The present invention mainly consists of three different slow-wave structures, the first two sections work in the low-frequency band of millimeter wave or terahertz wave, that is, the first low-frequency slow-wave structure and the second low-frequency slow-wave structure; the last section works in millimeter wave or terahertz band high frequency band, that is, the high frequency band slow wave structure. The slow wave structure can be a helix and its deformation structures such as ring rods, rings, etc., it can also be a coupling cavity and its deformation structures such as trapezoidal lines, etc., it can also be a folded waveguide and its deformation structures such as ridge-loaded folded waveguides, meandering double Ridge folded waveguides, slot loaded folded waveguides, etc. The slow-wave structures are connected by drift tubes, w...

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Abstract

The invention discloses a high-power millimeter wave and terahertz radiation source device. The high-power millimeter wave and terahertz radiation source device comprises a first low frequency range slow wave structure, a second low frequency range slow wave structure and a high frequency range slow wave structure, wherein a low frequency signal interface and an electron beam interface are formed in one end of the first low frequency range slow wave structure, a signal interface is formed in one end of the second low frequency range slow wave structure, and an output interface is formed in the high frequency range slow wave structure. A first drift tube is arranged between the first low frequency range slow wave structure and the second low frequency range slow wave structure, and a second drift tube is arranged between the second low frequency range slow wave structure and the high frequency range slow wave structure. By the adoption of the high-power millimeter wave and terahertz radiation source device, a stable high-power terahertz radiation source can be obtained. Simultaneously, the high-power millimeter wave and terahertz radiation source device has the advantages of being mature in technique, simple in structure and low in cost.

Description

technical field [0001] The invention belongs to the technical field of microwave vacuum pipe fittings, and in particular relates to a high-power millimeter-wave and terahertz radiation source device. Background technique [0002] THz radiation usually refers to electromagnetic waves with a frequency between 0.1THz and 10THz. The THz frequency domain is located between millimeter waves and infrared radiation. It is the transition area from macroscopic classical theory to microscopic quantum theory, and also the intersection area of ​​electronics and photonics. , and has good application prospects in terahertz spectrum technology, terahertz imaging and terahertz communication. [0003] The quantum energy of terahertz radiation is very low, the signal-to-noise ratio is high, the frequency is extremely wide, and it has a series of special properties. Application prospect. Among the many research fields related to terahertz technology, the research on terahertz radiation source...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J23/24H01J23/027H01J23/54
Inventor 巩华荣王斌唐涛宫玉彬
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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