Particle simulation of dual-band relativistic backward-wave oscillator

wang ting; qian baoliang; zhang jiande

Volume 21 Issue 04

Apr. 2009

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wang yinglong, luo qingshan, deng zechao, et al. Influence of additional gas flow on size distribution of Si nanoparticles deposited by pulsed laser ablation[J]. High Power Laser and Particle Beams, 2010, 22.

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wang ting, qian baoliang, zhang jiande. Particle simulation of dual-band relativistic backward-wave oscillator[J]. High Power Laser and Particle Beams, 2009, 21.

Citation:

wang ting, qian baoliang, zhang jiande. Particle simulation of dual-band relativistic backward-wave oscillator[J]. High Power Laser and Particle Beams, 2009, 21.

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Particle simulation of dual-band relativistic backward-wave oscillator

1.
College of Optoelectric Science and Engineering,National University of Defense Technology,Changsha 410073,China

Publish Date: 2009-04-15

Abstract

Abstract

A novel relativistic backward-wave oscillator(RBWO) is introduced with two kinds of slow wave structure separated by a tapered waveguide. It could obtain an output of C-band and X-band microwave simultaneously by means of a single electron beam. A 2.5-D full electro-magnetic numerical simulation is conducted by using Karat code at diode voltage of 1 MV, beam current of 8 kA, and guiding magnetic field of 3 T. A microwave pulse of TEM mode with power of 1.08 GW and an efficiency of 15% is obtained. Output frequencies are 5.42 GHz and 9.58 GHz respectively with an amplitude difference of 2.17 dB.
- high power microwave,
- dual-band,
- relativistic backward-wave oscillator,
- resonant reflector,
- particle-in-cell

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