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An intensive research have been done about the W-band sheet beam klystron (WSBK) for its potential value in active denial system application. The output cavity has an important influence on the output power, efficiency, bandwidth and spectrum. In this paper, multiple types of quasi-optical (QO) output couplers are designed based on the theory of equivalent dipoles and phase superimposition, and detailed study on the cold characteristics such as R/Q, M, loaded Q and mode uniformity has been all demonstrated. Compared with other tapers, QO output coupler with parabolic taper shows more excellent performance than the linear, triangle and Chebyshev tapers. We will receive benefit from improving the beam-wave efficiency and bandwidth of WSBK. Besides, a QO-output coupler with linear taper for initial experiment is fabricated.
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Keywords:
- W-band /
- sheet beam klystron /
- quasi-optical output coupler
[1] Wang Z L, Gong Y B, Wei Y Y, Duan Z Y, Gong H R, Yue L N, Yin H R, Lu Z G, Xu J, Chen B R, Liu P K, Park G S 2010 J Infrared Milli and Terahz Waves 31 649
[2] Zhao D 2010 Acta Phys. Sin. 59 1712 (In Chinese) [赵鼎 2010 59 1712]
[3] Larsen P B, Abe D K, Cooke S J, Levush B, Antonsen T M, Myers R E 2010 IEEE Trans. on Plasma Science 38 1244
[4] Larsen P B, Abe D K, Cooke S J, Levush B, Antonsen T M, Myers R E 2009 IEEE International Vacuum Electronics Conference Rome, April 28-30, 2009 p.225
[5] Liu Y, Xu J,Lai J Q, Xu X, Shen F, Wei Y Y, Huang M Z, Tang T, Wang W X, Gong Y B 2012 Chin. Phys. B 21 074202
[6] Liu Y, Xu J, Xu X, Shen F, Wei Y Y, Huang M Z, Tang T, Wang W X, Gong Y B 2012 Acta Phys. Sin. 61 154208 (in Chinese) [刘洋, 徐进, 许雄, 沈飞, 魏彦玉, 黄民智, 唐涛, 王文祥, 宫玉彬 2012 61 154208]
[7] Lai J Q, Gong Y B, Xu X, Wei Y Y, Duan Z Y, Wang W X, Feng J J 2012 IEEE Trans. on Electron Devices 59 496
[8] Ruan C J, Wang S Z, Han Y, Li Q S 2011 Acta Phys. Sin. 60 084105 (in Chinese) [阮存军, 王树忠, 韩莹, 李庆生 2011 60 084105]
[9] Shin Y M, Wang J X, Barnett L R, Luhmann N C, Jr 2011 IEEE Trans. on Electron Devices 58 251
[10] Scheitrum G, Caryotakis G, Burke A, Jensen A, Jongewaard E, Neubauer M, Phillips R, Steele R 2006 IEEE International Vacuum Electronics Conference Monterey, CA, April 25-27, 2006 p.481
[11] Lai J Q, Wei Y Y, Xu X, Shen F, Liu Y, Liu Y, Huang M Z, Tang T, Gong Y B 2012 Acta Phys. Sin. 61 178501(in Chinese) [赖剑强, 魏彦玉, 许雄, 沈飞, 刘洋, 刘漾, 黄民智, 唐涛, 宫玉彬 2012 61 178501]
[12] Baig A, Shin Y M, Barnett L R, Gamzina D, Barchfeld R, Domier C W, Wang J X, Luhmann N C Jr 2011 Terahertz Science and Technology 4 181
[13] Wang J S, Liu W, Wang Y M, Zhou M L, Zuo T Y 2011 Terahertz Science and Technology 4 50
[14] Thumm M K A, Arzhannikov A V, Astrelin V T, Burdakov A V 2012 Terahertz Science and Technology 5 18
[15] Booske J H 2008 Phys. of Plasma 15 055502
[16] Shin Y M, Baig M, Barchfeld R, Gamzina D, Barnett L R and Luhmann N C, Jr 2012 Appl. Phys. Lett. 100 154103
[17] Shin Y M 2012 Phys. of Plasma 19 063115
[18] Shin Y M, Barnett L R, Luhmann N C, Jr 2009 IEEE Trans. on Electron Devices 56 3196
[19] Shin Y M, Barnett L R, Luhmann N C, Jr 2009 IEEE International Vacuum Electronics Conference Rome, April 28-30, 2009 p530
[20] Chang T H, Li C H, Wu C N, Yu C F 2010 IEEE Trans. on Microwave Theory and Techniques 58 1543
[21] Pozar D M (Written), Zhang Z Y, Zhou Y Z, Wu D M (Translated) 2006 Microwave Engineering (3rd Version) (Beijing: Electronic Industry Press) p229 [David M. Pozar著, 张肇仪, 周乐柱, 吴德明译 2006 微波工程(第三版) (北京: 电子工业出版社) 第229页]
[22] Barker R J, Booske J H, Luhmann N C, Nusinovich G S 2005 Modern Microwave and Millimeter-Wave Power Electronics (NJ: IEEE Press) p147
[23] Ding Y G, Shen B, Ding H B 2011 High Power Laser and Particle Beams 23 1319 (in Chinese) [丁耀根, 沈 斌, 丁海兵 2011 强激光与粒子束 23 1319]
[24] Ding Y G 2010 Design, Manufacture and Application of High Power Klystron (Beijing: National Defense Industrial Press) p45 (in Chinese) [丁耀根 2010 大功率速调管设计制造和应用 (北京: 国防工业出版社) 第45页]
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[1] Wang Z L, Gong Y B, Wei Y Y, Duan Z Y, Gong H R, Yue L N, Yin H R, Lu Z G, Xu J, Chen B R, Liu P K, Park G S 2010 J Infrared Milli and Terahz Waves 31 649
[2] Zhao D 2010 Acta Phys. Sin. 59 1712 (In Chinese) [赵鼎 2010 59 1712]
[3] Larsen P B, Abe D K, Cooke S J, Levush B, Antonsen T M, Myers R E 2010 IEEE Trans. on Plasma Science 38 1244
[4] Larsen P B, Abe D K, Cooke S J, Levush B, Antonsen T M, Myers R E 2009 IEEE International Vacuum Electronics Conference Rome, April 28-30, 2009 p.225
[5] Liu Y, Xu J,Lai J Q, Xu X, Shen F, Wei Y Y, Huang M Z, Tang T, Wang W X, Gong Y B 2012 Chin. Phys. B 21 074202
[6] Liu Y, Xu J, Xu X, Shen F, Wei Y Y, Huang M Z, Tang T, Wang W X, Gong Y B 2012 Acta Phys. Sin. 61 154208 (in Chinese) [刘洋, 徐进, 许雄, 沈飞, 魏彦玉, 黄民智, 唐涛, 王文祥, 宫玉彬 2012 61 154208]
[7] Lai J Q, Gong Y B, Xu X, Wei Y Y, Duan Z Y, Wang W X, Feng J J 2012 IEEE Trans. on Electron Devices 59 496
[8] Ruan C J, Wang S Z, Han Y, Li Q S 2011 Acta Phys. Sin. 60 084105 (in Chinese) [阮存军, 王树忠, 韩莹, 李庆生 2011 60 084105]
[9] Shin Y M, Wang J X, Barnett L R, Luhmann N C, Jr 2011 IEEE Trans. on Electron Devices 58 251
[10] Scheitrum G, Caryotakis G, Burke A, Jensen A, Jongewaard E, Neubauer M, Phillips R, Steele R 2006 IEEE International Vacuum Electronics Conference Monterey, CA, April 25-27, 2006 p.481
[11] Lai J Q, Wei Y Y, Xu X, Shen F, Liu Y, Liu Y, Huang M Z, Tang T, Gong Y B 2012 Acta Phys. Sin. 61 178501(in Chinese) [赖剑强, 魏彦玉, 许雄, 沈飞, 刘洋, 刘漾, 黄民智, 唐涛, 宫玉彬 2012 61 178501]
[12] Baig A, Shin Y M, Barnett L R, Gamzina D, Barchfeld R, Domier C W, Wang J X, Luhmann N C Jr 2011 Terahertz Science and Technology 4 181
[13] Wang J S, Liu W, Wang Y M, Zhou M L, Zuo T Y 2011 Terahertz Science and Technology 4 50
[14] Thumm M K A, Arzhannikov A V, Astrelin V T, Burdakov A V 2012 Terahertz Science and Technology 5 18
[15] Booske J H 2008 Phys. of Plasma 15 055502
[16] Shin Y M, Baig M, Barchfeld R, Gamzina D, Barnett L R and Luhmann N C, Jr 2012 Appl. Phys. Lett. 100 154103
[17] Shin Y M 2012 Phys. of Plasma 19 063115
[18] Shin Y M, Barnett L R, Luhmann N C, Jr 2009 IEEE Trans. on Electron Devices 56 3196
[19] Shin Y M, Barnett L R, Luhmann N C, Jr 2009 IEEE International Vacuum Electronics Conference Rome, April 28-30, 2009 p530
[20] Chang T H, Li C H, Wu C N, Yu C F 2010 IEEE Trans. on Microwave Theory and Techniques 58 1543
[21] Pozar D M (Written), Zhang Z Y, Zhou Y Z, Wu D M (Translated) 2006 Microwave Engineering (3rd Version) (Beijing: Electronic Industry Press) p229 [David M. Pozar著, 张肇仪, 周乐柱, 吴德明译 2006 微波工程(第三版) (北京: 电子工业出版社) 第229页]
[22] Barker R J, Booske J H, Luhmann N C, Nusinovich G S 2005 Modern Microwave and Millimeter-Wave Power Electronics (NJ: IEEE Press) p147
[23] Ding Y G, Shen B, Ding H B 2011 High Power Laser and Particle Beams 23 1319 (in Chinese) [丁耀根, 沈 斌, 丁海兵 2011 强激光与粒子束 23 1319]
[24] Ding Y G 2010 Design, Manufacture and Application of High Power Klystron (Beijing: National Defense Industrial Press) p45 (in Chinese) [丁耀根 2010 大功率速调管设计制造和应用 (北京: 国防工业出版社) 第45页]
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