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Three-Dimensional Simulations of Coherent Smith-Purcell Radiation Using a Particle-in-Cell Code

Abstract : A few years ago, a new theory for producing coherent Smith-Purcell radiation from an initially continuous electron beam was proposed. It was 2-D, and it has been supported by particle-in-cell code simulations, although no experiments have, until now, provided confirmation. In fact, all experiments used a round beam, for which the 2-D theory may not be valid. We report here on a two-pronged attack on this problem. A 3-D simulation in the microwave domain indicates that coherent radiation, at a frequency near that of the 2-D simulation, should be produced. We are also preparing a demonstration experiment using an intense finite-width sheet beam to confirm the theory and simulations.
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http://hal.in2p3.fr/in2p3-00399752
Contributor : Virginie Mas <>
Submitted on : Monday, June 29, 2009 - 9:57:21 AM
Last modification on : Thursday, January 11, 2018 - 6:12:51 AM

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J. Gardelle, J.T. Donohue. Three-Dimensional Simulations of Coherent Smith-Purcell Radiation Using a Particle-in-Cell Code. IEEE Transactions on Electron Devices, Institute of Electrical and Electronics Engineers, 2009, 56, pp.769-775. ⟨10.1109/TED.2009.2015406⟩. ⟨in2p3-00399752⟩

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