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2015•Unpublished venueRequires access

Design of a Pierce electron gun for travelling wave tube

Ao Huang, Kuo Yang, Zhipeng Lü, Xiaoyun Zhou

Open publisher page 1 citations

Abstract

A Pierce electron gun for travelling wave tube has been proposed. Based on the electrostatic Particle-In-Cell (PIC) method, the mirror structure parameters of the Pierce electron gun were simulated and optimized through the FORTRAN program developed by us. After that, the electron beam current and perveance of the designed electron gun can be reached to 373 mA and 0.28 μA/V3/2, respectively, when the electric potential of the cathode and the focusing electrode is zero, and that of the anode is 12 kV.

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What this paper is about

A Pierce electron gun for travelling wave tube has been proposed. Based on the electrostatic Particle-In-Cell (PIC) method, the mirror structure parameters of the Pierce electron gun were simulated and optimized through the FORTRAN program developed by us. After that, the electron beam current and perveance of the designed electron gun can be reached to 373 mA and 0.28 μA/V3/2, respectively, when the electric potential of the cathode and the focusing electrode is zero, and that of the anode is 12 kV.

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Available abstract

A Pierce electron gun for travelling wave tube has been proposed. Based on the electrostatic Particle-In-Cell (PIC) method, the mirror structure parameters of the Pierce electron gun were simulated and optimized through the FORTRAN program developed by us. After that, the electron beam current and perveance of the designed electron gun can be reached to 373 mA and 0.28 μA/V3/2, respectively, when the electric potential of the cathode and the focusing electrode is zero, and that of the anode is 12 kV.

Key concepts: Perveance, Electron gun, Cathode, Traveling-wave tube, Electron, Anode, Cathode ray, Physics

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