Particle Simulation of a Millimeter Wave Multiwave Cerenkov Generator Producing Gigawatt Power Levels |
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| Authors: | Shu Ting and Yonggui Liu |
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| Institution: | (1) Department of Applied Physics, National University of Defense Technology, Changsha, People's Republic of China, 410073 |
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| Abstract: | The Multiwave Cerenkov Generator(MWCG) is investigated with a two and one half dimensional(2 1/2 D) electromagnetic relativistic Particle-in-Cell(PIC) simulation code. NonIinear beam-wave interaction is considered in the code. Deep insights into the MWCG are demonstrated by simulations. Some of the results agree with those of experiments. The radiation is generated with its dominant frequency at 35.5GHz. The power level of 3.8GW is achieved, with radiation efficiency up to 24%. The harmonics of both 71.0GHz and 106.5GHz are observed. The features of parameters dependency are presented. And reasonable explanation is put forward. |
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| Keywords: | Gigawatt Millimeter Wave Source Multiwave Cerenkov Generator Particle Simulation Relativistic Electron Beam |
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