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2023•Unpublished venueRequires access

Study of a 0.34THz Confocal Gyrotron Traveling Wave Tube

Shou-Xi Xu, Jian Zhang, Zhi-Hui Geng, Rui Zhang

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Abstract

Gyrotron traveling wave tube (gyro-TWT) with Confocal waveguide structure can generate high power due to operating in higher order modes. In this paper, the linear and nonlinear theory of a 0.34THz confocal waveguide gyro-TWT is studied. a numerical code based on the self-consistent nonlinear theory is written to simulate the beam wave interaction. The predicted output power of 35kW can be achieved at an electron beam of 60kV, an efficiency of 12% with a saturated gain of at least 60dB.

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What this paper is about

Gyrotron traveling wave tube (gyro-TWT) with Confocal waveguide structure can generate high power due to operating in higher order modes. In this paper, the linear and nonlinear theory of a 0.34THz confocal waveguide gyro-TWT is studied. a numerical code based on the self-consistent nonlinear theory is written to simulate the beam wave interaction. The predicted output power of 35kW can be achieved at an electron beam of 60kV, an efficiency of 12% with a saturated gain of at least 60dB.

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Available abstract

Gyrotron traveling wave tube (gyro-TWT) with Confocal waveguide structure can generate high power due to operating in higher order modes. In this paper, the linear and nonlinear theory of a 0.34THz confocal waveguide gyro-TWT is studied. a numerical code based on the self-consistent nonlinear theory is written to simulate the beam wave interaction. The predicted output power of 35kW can be achieved at an electron beam of 60kV, an efficiency of 12% with a saturated gain of at least 60dB.

Key concepts: Gyrotron, Traveling-wave tube, Confocal, Optics, Physics, Nonlinear system, Cathode ray, Power (physics)

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