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Relativistic backward-wave oscillator employing magnet wake field

A technology of relativity and oscillator, applied in the field of high-power microwave devices, can solve the problems of heavy weight, large size of the magnet system, unfavorable device miniaturization, etc., and achieve the effects of light weight, small overall size, and high microwave output efficiency

Active Publication Date: 2018-10-02
INST OF APPLIED ELECTRONICS CHINA ACAD OF ENG PHYSICS
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  • Abstract
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  • Application Information

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Problems solved by technology

[0005] The invention discloses a relativistic return wave oscillator utilizing the tail field of a magnet, which solves the problem that the existing magnet system is too large and heavy, which is not conducive to the miniaturization of devices

Method used

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  • Relativistic backward-wave oscillator employing magnet wake field
  • Relativistic backward-wave oscillator employing magnet wake field
  • Relativistic backward-wave oscillator employing magnet wake field

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Embodiment Construction

[0020] The purpose, technical solutions and advantages of the invention are more clearly understood, and the invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0021] Such as figure 2 As shown, a relativistic back-wave oscillator utilizing the wake field of a magnet includes a cathode and a slow-wave structure set in the outer cylinder. The cathode is coaxial with the outer cylinder and is used to emit high-current electrons. The material of the cathode is generally graphite.

[0022] The slow wave structure includes front and rear parts. The front part is a basic mold structure arranged close to the cathode, and the second half is an overmold structure. The basic mold structure and the overmold structure are sequentially arranged along the axis direction of th...

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Abstract

The invention discloses a relativistic backward-wave oscillator employing a magnet wake field. By the relativistic backward-wave oscillator, the problems that a traditional magnet system is excessively large in size and excessively heavy in weight and is not beneficial for miniaturization are solved. The relativistic backward-wave oscillator comprises a negative electrode and a slow wave structure, wherein the negative electrode and the slow wave structure are arranged in an outer cylinder of a device, the negative electrode is coaxial to the outer cylinder, the relativistic backward-wave oscillator is characterized in that the slow wave structure comprises a fundamental mode structure and an overmode structure which are sequentially arranged along an axial direction of a sleeve, and the overmode structure is used for amplifying a high-power microwave generated by the fundamental mode structure by utilizing a tail end guidance magnetic field of a magnet. By the relativistic backward-wave oscillator employing the structure, the generation of the high-power microwave can be achieved by fully utilizing a wake field of the guidance magnetic field, the integral structure of the device system is more compact, and the miniature development of the device system is facilitated.

Description

technical field [0001] The invention belongs to the technical field of high-power microwave devices, and in particular relates to a relativistic return-wave oscillator with a slow-wave structure composed of a fundamental mode structure and an over-mode structure, and utilizing the tail field of a magnet. Background technique [0002] High-power microwave (HPM) generally refers to electromagnetic waves with a peak power above 100MW and an operating frequency in the range of 1-300GHz. The research and development of high power microwave technology and microwave devices has a history of more than 30 years. In recent years, with the continuous development of pulse power technology and plasma physics, high power microwave technology has developed rapidly, especially in the application of high power microwave sources. Great progress has been made in development. So far, its power level has been increased by several orders of magnitude compared with ordinary microwave sources, and...

Claims

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Application Information

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IPC IPC(8): H01J25/46H01J23/24
Inventor 张运俭马弘舸丁恩燕杨周炳陆巍秦风何静
Owner INST OF APPLIED ELECTRONICS CHINA ACAD OF ENG PHYSICS
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