Thermal analysis of Faraday cup for measuring electron beams of traveling wave tubes

wei yuxiang; huang mingguang; liu pukun; hao baoliang; zhao shike

Volume 23 Issue 09

Sep. 2012

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(09): 0-

wei yuxiang, huang mingguang, liu pukun, et al. Thermal analysis of Faraday cup for measuring electron beams of traveling wave tubes[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

wei yuxiang, huang mingguang, liu pukun, et al. Thermal analysis of Faraday cup for measuring electron beams of traveling wave tubes[J]. High Power Laser and Particle Beams, 2011, 23.

wei yuxiang, huang mingguang, liu pukun, et al. Thermal analysis of Faraday cup for measuring electron beams of traveling wave tubes[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

wei yuxiang, huang mingguang, liu pukun, et al. Thermal analysis of Faraday cup for measuring electron beams of traveling wave tubes[J]. High Power Laser and Particle Beams, 2011, 23.

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Thermal analysis of Faraday cup for measuring electron beams of traveling wave tubes

1.
Key Laboratory of High Power Microwave Sources and Technologies,Institute of Electronics,Chinese Academy of Sciences,Beijing 100190,China;
2.
Graduate University of Chinese Academy of Sciences,Beijing 100039,China

Publish Date: 2011-09-15

Abstract

Abstract

Thermal analysis of Faraday cup analyzer for measuring electron beams of traveling wave tubes(TWTs) using ANSYS package is presented. With beams of different power density and different pulses, temperature of the Faraday cup had been simulated. The results show that with a single pulse, only temperature of spot size on aperture plate rises quickly, whereas temperature of other part is constant. For normal operating, pulse width must be smaller than 0.5 μs, 0.1 μs and 0.2 μs are better, to measure beams of power density larger than 5×106 W/cm2. Pulse width for measuring a beam of fixed power density should be limited, and different pulses should be used for measuring different power density beams. In addition, taking heat cumulating effect into account, suitable pulse repetition frequen
- electron beams of twts,
- faraday cup analyzer,
- temperature,
- power density,
- pulse width,
- repetition frequency

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