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A proposal is presented to enhance the saturation output power of a small-orbit coaxial gyro-amplifier by employing an external electrostatic voltage. Nonlinear simulations show that improved saturation output power increases 19 % for a transverse electric mode at a frequency of 0.14 THz. Both the ratio of the electron-beam transverse velocity to the axial velocity and the spread of transverse velocity do not cause obvious influence on the saturation power. Therefore the performance of gyro-amplifier is effectively improved.
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Keywords:
- gyro-amplifier /
- electrostatic field /
- centrifugal electrostatic focusing system /
- saturation power
[1] Flyagin V A, Gaponov A V, Petelin M I, Yulpatov V K 1977 IEEE Trans. on Microwave Theory And Techniques 25 514
[2] Li H F, Du P Z, Yang S W, Xie Z L, Zhou X L, Wan H R, Huang Y 2000 Acta Phys. Sin. 49 312 (in Chinese) [李宏福、 杜品忠、 杨仕文、 谢仲怜、 周晓岚、 万洪蓉、 黄 勇 2000 49 312]
[3] Du C H, Liu P K, Xue Q Z 2010 Acta Phys. Sin. 59 4612 (in Chinese) [杜朝海、 刘濮鲲、 薛谦忠 2010 59 4612]
[4] Du C H, Liu P K, Xue Q Z 2010 Chin. Phys. B 19 048703
[5] Gantenbein C, Borie E, Dammertz G, Nickel H U, Piosczyk B, Thumm M 1994 IEEE Trans. on Plasma Science 22 861
[6] Kartikeyan M V, Iatrou C T, Thumm M 2001 IEEE Trans. on Plasma Science 29 57
[7] Piosczyk B, Braz O, Dammertz G., Iatrou C T, Kern S, Kuntze M, Mobius A, Thumm M, Flyagin V A, Khishnyak V L, Malygin V, Pavelyev A B, Zapevalov V E 1997 IEEE Trans. on Plasma Science 25 460
[8] Advani R, Hogge J P, Kreischer K E, Pedrozzi M, Read M E, Sirigiri J R, Temkin R J 2001 IEEE Trans. on Plasma Science 29 943
[9] Hogge J P, Kreischer K E, Read M E 1996 IEEE International Conference on Plasma Science Boston, USA,August 3—5,1996 p268
[10] Nusinovich G S, Read M E, Dumbrajs O, Kreischer K E 1994 IEEE Trans. on Electron Devices 41 433
[11] Zhang S C, Thumm M 2000 IEEE Trans. MTT 48 8
[12] Zhang S C 1999 Asia Pacific Microwave Conference Singapore,30 Nov. -03 Dec. 1999 p833
[13] Zhang S C, Thumm M 1999 Asia Pacific Microwave Conference Singapore,30 Nov. -03 Dec. 1999 p836
[14] Zhang S C, Ouyang Z B,Qiu C R,Zhang H B,Jin J B 2004 IEEE Trans. Plasma Science 32 981
[15] Zhang S C 2004 Phys. Plasmas 11 3969
[16] Watkins D A, Wada G 1958 Proc. IRE 46 1700
[17] Pantell R H 1960 IRE Trans. On ED 7 22
[18] Barnett L R, Alexeff I 1979 IEDM Tech. Digest Washington D.C.,Dec. 1979 p168
[19] Alexeff I, Dyer F 1980 Phys. Rev. Lett. 45 351
[20] Liu S G, Zhang S C, Yang Z, Cheng X, Ouyang Z B 1986 J. Appl. Phys. 59 3621
[21] Zhang S C 1986 Int. J. Infrared and Millimeter Waves 7 1497
[22] Zhang S C 1988 Acta Electronica Sinica 16-1 93
[23] Gover A 1979 Free-Electron Generators of Coherent Radiation (Massachusetts: Addison-Wesley Publishing Company) p701
[24] Bekefi G, Shefer R E 1979 J. Appl. Phys. 50 5158
[25] Riyopoulos S 1997 Phys. Rev. E 56 4710
[26] Zhang S C 2009 Phys. Plasmas 16 093107
[27] Zhang S C 2010 Phys. Plasmas 17 053102
[28] Zhang S C 2010 Phys. Rev. ST Accel. Beams 13 090701
[29] Zhang S C 1994 Free Electron Laser (Chengdu: Southwest Jiaotong University Press) pp77—98 (in Chinese) [张世昌 1994自由电子激光导论 (成都:西南交通大学出版社)第77—98页]
[30] McDermott D B, Chong C K, Luhmann N C, Chu K R, Dialetis D 1994 IEEE Trans. on Plasma Science 22 920
[31] Y u S, Li H F, Xie Z L, Huang Y 2001 Acta Phys. Sin. 50 1979 (in Chinese) [喻 胜、 李宏福、 谢仲怜、 黄 勇 2001 50 1979]
[32] Dawn T Y, Chen H C, Chen J M 1998 Phys. Plasmas 5 529
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[1] Flyagin V A, Gaponov A V, Petelin M I, Yulpatov V K 1977 IEEE Trans. on Microwave Theory And Techniques 25 514
[2] Li H F, Du P Z, Yang S W, Xie Z L, Zhou X L, Wan H R, Huang Y 2000 Acta Phys. Sin. 49 312 (in Chinese) [李宏福、 杜品忠、 杨仕文、 谢仲怜、 周晓岚、 万洪蓉、 黄 勇 2000 49 312]
[3] Du C H, Liu P K, Xue Q Z 2010 Acta Phys. Sin. 59 4612 (in Chinese) [杜朝海、 刘濮鲲、 薛谦忠 2010 59 4612]
[4] Du C H, Liu P K, Xue Q Z 2010 Chin. Phys. B 19 048703
[5] Gantenbein C, Borie E, Dammertz G, Nickel H U, Piosczyk B, Thumm M 1994 IEEE Trans. on Plasma Science 22 861
[6] Kartikeyan M V, Iatrou C T, Thumm M 2001 IEEE Trans. on Plasma Science 29 57
[7] Piosczyk B, Braz O, Dammertz G., Iatrou C T, Kern S, Kuntze M, Mobius A, Thumm M, Flyagin V A, Khishnyak V L, Malygin V, Pavelyev A B, Zapevalov V E 1997 IEEE Trans. on Plasma Science 25 460
[8] Advani R, Hogge J P, Kreischer K E, Pedrozzi M, Read M E, Sirigiri J R, Temkin R J 2001 IEEE Trans. on Plasma Science 29 943
[9] Hogge J P, Kreischer K E, Read M E 1996 IEEE International Conference on Plasma Science Boston, USA,August 3—5,1996 p268
[10] Nusinovich G S, Read M E, Dumbrajs O, Kreischer K E 1994 IEEE Trans. on Electron Devices 41 433
[11] Zhang S C, Thumm M 2000 IEEE Trans. MTT 48 8
[12] Zhang S C 1999 Asia Pacific Microwave Conference Singapore,30 Nov. -03 Dec. 1999 p833
[13] Zhang S C, Thumm M 1999 Asia Pacific Microwave Conference Singapore,30 Nov. -03 Dec. 1999 p836
[14] Zhang S C, Ouyang Z B,Qiu C R,Zhang H B,Jin J B 2004 IEEE Trans. Plasma Science 32 981
[15] Zhang S C 2004 Phys. Plasmas 11 3969
[16] Watkins D A, Wada G 1958 Proc. IRE 46 1700
[17] Pantell R H 1960 IRE Trans. On ED 7 22
[18] Barnett L R, Alexeff I 1979 IEDM Tech. Digest Washington D.C.,Dec. 1979 p168
[19] Alexeff I, Dyer F 1980 Phys. Rev. Lett. 45 351
[20] Liu S G, Zhang S C, Yang Z, Cheng X, Ouyang Z B 1986 J. Appl. Phys. 59 3621
[21] Zhang S C 1986 Int. J. Infrared and Millimeter Waves 7 1497
[22] Zhang S C 1988 Acta Electronica Sinica 16-1 93
[23] Gover A 1979 Free-Electron Generators of Coherent Radiation (Massachusetts: Addison-Wesley Publishing Company) p701
[24] Bekefi G, Shefer R E 1979 J. Appl. Phys. 50 5158
[25] Riyopoulos S 1997 Phys. Rev. E 56 4710
[26] Zhang S C 2009 Phys. Plasmas 16 093107
[27] Zhang S C 2010 Phys. Plasmas 17 053102
[28] Zhang S C 2010 Phys. Rev. ST Accel. Beams 13 090701
[29] Zhang S C 1994 Free Electron Laser (Chengdu: Southwest Jiaotong University Press) pp77—98 (in Chinese) [张世昌 1994自由电子激光导论 (成都:西南交通大学出版社)第77—98页]
[30] McDermott D B, Chong C K, Luhmann N C, Chu K R, Dialetis D 1994 IEEE Trans. on Plasma Science 22 920
[31] Y u S, Li H F, Xie Z L, Huang Y 2001 Acta Phys. Sin. 50 1979 (in Chinese) [喻 胜、 李宏福、 谢仲怜、 黄 勇 2001 50 1979]
[32] Dawn T Y, Chen H C, Chen J M 1998 Phys. Plasmas 5 529
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