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RKA (relativistic klystron amplifier) output cavity with inner conductor arranged inside

A technology of output cavity and inner conductor, which is applied in the field of microwave electronics, can solve the problems of affecting beam conversion efficiency and low kinetic energy, and achieve the effect of improving output microwave power and beam conversion efficiency

Inactive Publication Date: 2015-09-30
INST OF APPLIED ELECTRONICS CHINA ACAD OF ENG PHYSICS
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  • Abstract
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AI Technical Summary

Problems solved by technology

In the traditional relativistic klystron amplifier, the single input and output cavity of the cylindrical drift tube is often used. According to the theoretical analysis of the beam transmission process and the beam clustering process: when the radius of the drift tube is equal to the radius of the electron beam , the minimum energy required for the electron beam to pass through the cylindrical drift tube is greater than the minimum energy required for it to pass through the coaxial drift tube, resulting in the kinetic energy of the electron beam reaching the cylindrical drift output cavity is higher than that of the output cavity using the coaxial drift tube Low, which affects the beam conversion efficiency

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  • RKA (relativistic klystron amplifier) output cavity with inner conductor arranged inside

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Embodiment Construction

[0019] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0020] Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0021] The working process of the output chamber of the relativistic klystron amplifier of the present invention is that the modulated electron beam is guided by the axial magnetic field, and when passing through the output chamber, the electromagnetic field of the working mode is excited in the output chamber, and the electron beam interacts with the field. The energy of the electron beam is converted to the energy of the field, generating hi...

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Abstract

The invention provides a technical scheme of an RKA (relativistic klystron amplifier) output cavity with an inner conductor arranged inside. According to the scheme, the output cavity comprises a drift tube, an output cavity body, an output cavity end cover, an output coaxial outer conductor, a collector, the inner conductor, inner support rods and outer support rods, wherein the drift tube is connected with the output cavity end cover; the output coaxial outer conductor is arranged on the outer wall of the output cavity body; the collector is fixed in the output coaxial outer conductor through the outer support rods; an outer nose cone is arranged on the collector; the inner conductor is arranged at one end, close to the outer nose cone, in the collector and connected with the outer nose cone on the collector through the inner support rods. The structure of the RKA output cavity is improved, the minimum energy required when electrons arrive at an output cavity gap can be reduced, and the output microwave power and the beam wave conversion efficiency of an RKA can be improved.

Description

technical field [0001] The invention relates to the field of microwave electronics, in particular to a relativistic klystron amplifier output cavity with a built-in inner conductor. Background technique [0002] In the existing technology, the relativistic klystron amplifier (RKA) is one of the most potential high-power microwave generating devices, which converts the DC energy of the electron beam into microwave energy through the interaction of the electron beam and the high-frequency field. In RKA, the grouping of electron beams and microwave extraction process are completed in different areas, and each function can be independently adjusted to the best, so RKA has the advantages of high power, high efficiency, output microwave phase and amplitude stability, etc., in new accelerators, High-power radar, new communication systems and other fields have a wide range of applications. Among them, improving the output microwave power and beam conversion efficiency of the relati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J23/38
CPCH01J23/38
Inventor 许州雷禄容黄华刘振帮何琥袁欢黄吉金
Owner INST OF APPLIED ELECTRONICS CHINA ACAD OF ENG PHYSICS
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