Characteristic of nonlinear chaotic dynamics in a traveling wave tube amplifier

Li Gongming; Hao Jianhong

doi:10.3788/HPLPB20122409.2264

Volume 24 Issue 09

Aug. 2012

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Yan Cheng'en, Lin Hao, Zhang FeiYan, et al. Amplified spontaneous emission of fluorene fluorescent-dye-doped DNA-CTMA thin films[J]. High Power Laser and Particle Beams, 2012, 24: 2306-2310. doi: 10.3788/HPLPB20122410.2306

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Li Gongming, Hao Jianhong. Characteristic of nonlinear chaotic dynamics in a traveling wave tube amplifier[J]. High Power Laser and Particle Beams, 2012, 24: 2264-2268. doi: 10.3788/HPLPB20122409.2264

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Characteristic of nonlinear chaotic dynamics in a traveling wave tube amplifier

doi: 10.3788/HPLPB20122409.2264

Li Gongming^,,
Hao Jianhong

1.
School of Electrical and Electronic Engineering,North China Electric Power University,Beijing 102206,China

Received Date: 2011-07-13
Rev Recd Date: 2012-04-06
Publish Date: 2012-08-24

Abstract

Abstract

On the basis of the nonlinear equations, the characteristic of nonlinear chaotic dynamics was investigated in a traveling-wave tube amplifier. The phase space of the electron orbits, the time-space distribution and the output power of the radiation field were studied numerically. The result shows the radiation field and the electron beam is a dissipative system. When the parameters such as current or detuning changes and are above a certain threshold, chaotic characteristic is appeared in the whole time and space of the system. The output power is characterized by the irregularly oscillation with the wide continuous spectrum.
- traveling wave tube(twt),
- radiation field,
- threshold,
- dissipative system,
- chaotic

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