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Method for inhibiting oscillation of binode magnetic injection gun region of gyrotron amplifier

An amplifier and double anode technology, applied in the field of electron guns, can solve the problems of stable operation of gyrotron amplifiers and other problems, and achieve the effect of avoiding stable operation and suppressing oscillation

Inactive Publication Date: 2010-11-03
INST OF ELECTRONICS CHINESE ACAD OF SCI
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, this structure is similar to a coaxial cavity structure. A coaxial TEM mode is formed on the outer surface of the first anode opposite to the second anode. In the gap between the first anode and the second anode, it is easy to form a TM 01 or TM 11 mode, which is completely detrimental to the stable operation of the gyrotron amplifier and must be suppressed

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  • Method for inhibiting oscillation of binode magnetic injection gun region of gyrotron amplifier
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  • Method for inhibiting oscillation of binode magnetic injection gun region of gyrotron amplifier

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Embodiment Construction

[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0024] Please refer to figure 1 According to the characteristic of the field structure forming a coaxial field with the second anode on the outer surface of the first anode, the present invention adds attenuation here to suppress the TEM mode and eliminate the TM mode at the gap between the anodes.

[0025] like figure 2 as shown, figure 2 The flow chart of the method for suppressing the vibration of the gyrotron amplifier dual anode magnetron injection gun area provided by the present invention, the method includes:

[0026] Step 1, roughening the metal surface of the outer wall of the first anode;

[0027] Step 2, coating a layer of attenuation material on the roughened metal surface of the outer wall of the first ...

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Abstract

The invention discloses a method for inhibiting the oscillation of a binode magnetic injection gun region of a gyrotron amplifier. The method comprises the following steps: performing roughening processing to the metal surface of the outer wall of a first anode; coating a layer of attenuating material on the metal surface of the outer wall of the first anode subject to the roughening processing; and placing a sample coated with the attenuating material into a hydrogen furnace for sintering at high temperature. The invention effectively inhibits the oscillation of the binode magnetic injectiongun region of the gyrotron amplifier and avoids the harm to the stable work of the gyrotron amplifier.

Description

technical field [0001] The invention relates to the technical field of electron guns in microwave vacuum devices, in particular to a method for suppressing region oscillation of a double-anode magnetron injection electron gun of a gyrotron amplifier. Background technique [0002] The gyrotron amplifier has the advantages of high peak power, high average power and frequency bandwidth in the millimeter wave band. It has broad application prospects in the fields of high-performance millimeter wave radar, electronic countermeasures, communications, and high-energy accelerators. It is widely used in high-power microwave sources. A source of coherent radiation of concern. The gyrotron amplifier electron gun provides an electron beam that interacts with the high frequency field. [0003] like figure 1 as shown, figure 1 It is a schematic diagram of the structure of the dual-anode magnetron injection electron gun of the gyrotron amplifier, in which, 1 is the cathode, 2 is the fir...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J9/02H01J3/02H01J23/02
Inventor 徐寿喜刘濮鲲张世昌顾伟
Owner INST OF ELECTRONICS CHINESE ACAD OF SCI