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Frequency-agility relativistic backward wave oscillator

A relativistic return wave tube and oscillator technology, applied in the field of microwave electronics, can solve problems such as difficult frequency conversion

Active Publication Date: 2015-03-25
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

However, due to the characteristics of RBWO itself, its output microwave frequency is stable, and it is difficult to achieve frequency conversion

Method used

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Embodiment

[0029] A frequency-agile relativistic return-wave tube oscillator of the present invention includes an outer cylinder, a cathode, a drift section, a C-band slow-wave structure composed of the same four cavities, and an X-band slow-wave structure composed of the same three cavities , Match segment. In the PIC simulation, the input electric power is 4.2GW, when the guiding magnetic field strength is 0.5T, the output microwave power is 1.0GW, the output microwave frequency is 6.28GHz, and the output microwave power amplitude is as follows: figure 2 As shown, the output microwave spectrum is shown as image 3 shown.

[0030] And when the guiding magnetic field strength is 0.8T, the output microwave power is 0.75GW, the output microwave frequency is 9.25GHz, and the output microwave power amplitude is as follows Figure 4 , output microwave spectrum such as Figure 5 shown.

[0031] All features disclosed in this specification, except mutually exclusive features, can be combin...

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Abstract

The invention discloses a frequency-agility relativistic backward wave oscillator. The frequency-agility relativistic backward wave oscillator comprises a solenoid coil, a cathode, an outer cylinder, an anode, a drifting section and a matching section, wherein the anode and the drifting section are arranged on the inner wall of the outer cylinder, the cathode is arranged at the position of the central axis of the interior of the outer cylinder, the outer cylinder is sleeved with the solenoid coil, a slow wave structure is arranged between a drifting tube and the matching section and is located on the inner wall of the outer cylinder, and a resonant reflecting cavity is formed between the anode and the drifting section. According to the frequency-agility relativistic backward wave oscillator, the intensity of a magnetic field can be adjusted and guided simply by changing the current in the solenoid coil, so that frequency agility at the microwave frequency is achieved, and the defect that according to a conventional relativistic backward wave oscillator, the microwave output frequency is stable, and frequency agility can not be achieved easily is overcome.

Description

technical field [0001] The invention belongs to the field of microwave electronics, and in particular relates to a novel return wave tube oscillator, which can be applied to high-power microwave source systems. Background technique [0002] With the advancement of plasma technology, pulse power technology and the development of complex PIC simulation tools, high-power microwave technology has also developed rapidly, especially in the development of high-power microwave sources. Different types of high power microwave devices. Among them, the Relativistic Back Wave Oscillator (RBWO) is a typical GW-scale high-power microwave device. RBWO uses high-energy electron beams to interact with the structure waves of slow-wave structures to produce coherent radiation, extract the kinetic energy of electrons, and generate high-power microwaves. [0003] At present, the design idea of ​​RBWO is mainly to pursue pure single-frequency, high-power, and high-efficiency microwave output, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J25/34
CPCH01J25/34H01J2225/34
Inventor 马乔生卢朝政孟凡宝
Owner INST OF APPLIED ELECTRONICS CHINA ACAD OF ENG PHYSICS
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