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为了提高相对论速调管放大器的工作频率和输出功率,结合三重轴相对论速调管和多注速调管的特点, 设计了工作在X波段的同轴强流多注相对论速调管放大器,对强流多注电子束在多注器件结构中的传输、 电子束经过输入腔和中间腔后的基波调制以及经过输出腔的微波提取过程进行了实验研究, 得到了初步的实验结果.在输入微波功率30 kW,频率9.375 GHz,电子束电压670 kV,束流5.3 kA, 轴向引导磁感应强度0.8 T的条件下,得到了最大输出微波功率为420 MW,效率为12%,增益为41 dB, 输出微波频率与输入微波一致.实验证实了采用同轴强流多注相对论速调管放大器实现X波段高功率微波放大的可行性,为后续更高功率研究打下了基础.The advantages of the tri-axial relativistic klystron amplifier and the multi-beam klystron amplifier are analyzed, and then an X-band coaxial multi-beam relativistic klystron amplifier is designed in order to increase the output microwave power and frequency. Based on the results from partial-in-cell simulation, the experiment is performed on the Sinus accelerator. In experiment, the transmission and bunching of electron beam are analyzed, and then the amplifier is driven by a beam of 5.3 kA at 670 kV, and the maximum output power is 420 MW when input power is 30 kW, and frequency is 9.375 GHz. The experiment proves that a ten kW-level input power can drive the X-band coaxial multi-beam relativistic klystron amplifier to generate more than one hundred MW-level output power.
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Keywords:
- high power microwave /
- relativistic klystron amplifier /
- X-band /
- coaxial multi-beam
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[2] Robert J B, Edl S 2005 High Power Microwave Sources and Technologies (Beijing: Tsinghua university Press) pp57-63 (in Chinese) [Robert J B, Edl S 2005 高功率微波源与技术(中译本) (北京:清华大学出版社) 第57—63页]
[3] Pasour J, Smithe D, Ludeking L 2003 The American Institute of Physics Conf. Proc. 691 141
[4] Ding Y G 2002 Vacuum Electronics 5 8 (in Chinese) [丁耀根 2002 真空电子技术 5 8]
[5] Zhang R, Wang Y 2007 Vacuum Electronics 3 25 (in Chinese) [张瑞, 王勇 2007 真空电子技术 3 25]
[6] Liu Z B, Huang H, Jin X, Chen H B 2011 Acta Phys. Sin. 60 128402 (in Chinese) [刘振帮, 黄华, 金晓, 陈怀璧 2011 物理学报 60 128402]
[7] Ding Y G 2010 Design, Manufacture and Application of High Power Klystron (Beijing: National Defense Industry Press) pp57-60 (in Chinese) [丁耀根 2010 大功率速调管的设计制造和应用 (北京: 国防工业出版社) 第57—60页]
[8] Wu Y, Xu Z, Xu Y, Jin X 2011 011 Acta Phys. Sin. 60 044102 (in Chinese) [吴洋, 许州, 徐勇, 金晓 2011 物理学报 60 044102]
[9] Liu Z B, Huang H, Jin X, Chen H B 2011 High Power Laser and Particle Beams 23 2162 (in Chinese) [刘振帮, 黄华, 金晓, 陈怀璧 2011 强激光与粒子束 23 2162]
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[1] Benford J, Swegle J A 2008 High Power Microwave (2 Edn.) (Beijing: National Defense Industry Press) pp293-335 (in Chinese) [Benford J, Swegle J A 2008 高功率微波(第二版)(中译本)(北京:国防工业出版社) 第293—335页]
[2] Robert J B, Edl S 2005 High Power Microwave Sources and Technologies (Beijing: Tsinghua university Press) pp57-63 (in Chinese) [Robert J B, Edl S 2005 高功率微波源与技术(中译本) (北京:清华大学出版社) 第57—63页]
[3] Pasour J, Smithe D, Ludeking L 2003 The American Institute of Physics Conf. Proc. 691 141
[4] Ding Y G 2002 Vacuum Electronics 5 8 (in Chinese) [丁耀根 2002 真空电子技术 5 8]
[5] Zhang R, Wang Y 2007 Vacuum Electronics 3 25 (in Chinese) [张瑞, 王勇 2007 真空电子技术 3 25]
[6] Liu Z B, Huang H, Jin X, Chen H B 2011 Acta Phys. Sin. 60 128402 (in Chinese) [刘振帮, 黄华, 金晓, 陈怀璧 2011 物理学报 60 128402]
[7] Ding Y G 2010 Design, Manufacture and Application of High Power Klystron (Beijing: National Defense Industry Press) pp57-60 (in Chinese) [丁耀根 2010 大功率速调管的设计制造和应用 (北京: 国防工业出版社) 第57—60页]
[8] Wu Y, Xu Z, Xu Y, Jin X 2011 011 Acta Phys. Sin. 60 044102 (in Chinese) [吴洋, 许州, 徐勇, 金晓 2011 物理学报 60 044102]
[9] Liu Z B, Huang H, Jin X, Chen H B 2011 High Power Laser and Particle Beams 23 2162 (in Chinese) [刘振帮, 黄华, 金晓, 陈怀璧 2011 强激光与粒子束 23 2162]
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