High efficiency X-band relativistic backward wave oscillator with non-uniform slow wave structures
Backward wave oscillators （BWOs） driven by intense relativistic electron beams are very efficient means of producing high-power microwaves. However, the efficiency of conventional BWO is lower than 30%. An X-band oversized BWO with non-uniform slow wave structure is designed to improve RF output cha...
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| Published in | Chinese physics C Vol. 36; no. 8; pp. 750 - 752 |
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| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
01.08.2012
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1674-1137 0254-3052 |
| DOI | 10.1088/1674-1137/36/8/011 |
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| Abstract | Backward wave oscillators （BWOs） driven by intense relativistic electron beams are very efficient means of producing high-power microwaves. However, the efficiency of conventional BWO is lower than 30%. An X-band oversized BWO with non-uniform slow wave structure is designed to improve RF output characteristics. In particle-in-cell simulation, a high power microwave with a power of 8.0 GW and efficiency of 40% is obtained, compared with that of 30% obtained in a conventional relativistic BWO. |
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| AbstractList | Backward wave oscillators （BWOs） driven by intense relativistic electron beams are very efficient means of producing high-power microwaves. However, the efficiency of conventional BWO is lower than 30%. An X-band oversized BWO with non-uniform slow wave structure is designed to improve RF output characteristics. In particle-in-cell simulation, a high power microwave with a power of 8.0 GW and efficiency of 40% is obtained, compared with that of 30% obtained in a conventional relativistic BWO. Backward wave oscillators (BWOs) driven by intense relativistic electron beams are very efficient means of producing high-power microwaves. However, the efficiency of conventional BWO is lower than 30%. An X-band oversized BWO with non-uniform slow wave structure is designed to improve RF output characteristics. In particle-in-cell simulation, a high power microwave with a power of 8.0 GW and efficiency of 40% is obtained, compared with that of 30% obtained in a conventional relativistic BWO. |
| Author | 吴洋 许州 李正红 马乔生 唐传祥 |
| AuthorAffiliation | Department of Engineering Physics, Tsinghua University, Beijing 100084, China Institute of Applied Electronics, China Academy of Engineering Physics, Mianyang 621900, China Science and Technology on High Power Microwave Laboratory, Mianyang 621900, China |
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| Notes | high power microwave, BWO, slow wave structure, non-uniform 11-5641/O4 Backward wave oscillators （BWOs） driven by intense relativistic electron beams are very efficient means of producing high-power microwaves. However, the efficiency of conventional BWO is lower than 30%. An X-band oversized BWO with non-uniform slow wave structure is designed to improve RF output characteristics. In particle-in-cell simulation, a high power microwave with a power of 8.0 GW and efficiency of 40% is obtained, compared with that of 30% obtained in a conventional relativistic BWO. ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 |
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| Snippet | Backward wave oscillators （BWOs） driven by intense relativistic electron beams are very efficient means of producing high-power microwaves. However, the... Backward wave oscillators (BWOs) driven by intense relativistic electron beams are very efficient means of producing high-power microwaves. However, the... |
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| SubjectTerms | Backward waves Microwaves Oscillators Particle in cell technique Relativistic electron beams Simulation Slow waves X-band X-波段 强流相对论电子束 慢波结构 输出特性 返波振荡器 非均匀 颗粒细胞 高功率微波 |
| Title | High efficiency X-band relativistic backward wave oscillator with non-uniform slow wave structures |
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