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Based on the analyses and the calculations of the gyroklystron amplifiers self-consistent nonlinear theory, a scheme of Kα-band, TE01 mode, four-cavity fundmetal wave gyroklystron is designed.At the same time, a gyroklystron amplifier is made and tested. The hot test experiment shows that the gyroklystron amplifier can produce 245 kW peak output power, and 3 kW average power at a 35% efficiency and saturated gain of 36.1 dB at central frequency 34 GHz, when using 60 W driving power, and a 70 kV, 10 A annular electron beam in a magnetic field of 1.31 T. The full width half maximum (FWHM) bandwidth is higher than 280 MHz. The amplifier is zero-drive stable. Experimental results are found to be in excellent agreement with theoretical predictions.
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Keywords:
- gyroklystron amplifier /
- beam and wave interaction /
- bunching cavity /
- input cavity
[1] Luo Y, Li H F, Xie Z L 2004 Acta Phys. Sin. 53 229 (in Chinese) [罗 勇、李宏福、谢仲怜 2004 53 229]
[2] Liu P K, Xu S X 2003 Journal of Electronics and Information Technology 25 683 (in Chinese) [刘濮鲲、徐寿喜 2003 电子与信息学报 25 683]
[3] Zasypkin E V 1996 IEEE Trans. on Plasma Sci. 24 666
[4] Danly B G 2000 IEEE Trans. on Plasma Sci. 28 713
[5] Choi J, McCurdy A, Wood F 1998 IEEE Trans. on Plasma Sci. 26 416
[6] Blank M, Danly B, Levush B 2000 IEEE Trans. on Plasma Sci. 28 706
[7] Blank M, Danly B, Levush B 1998 IEEE Trans. on Plasma Sci. 26 409
[8] Garven M, Calame J P 2000 IEEE Trans. on Plasma Sci. 28 672
[9] Walter M T, Nusinovich G S, Granatstein V L 2000 IEEE Trans. on Plasma Sci. 28 523
[10] Arjona M R, Lawson W G 2000 IEEE Trans. on Plasma Sci. 28 700
[11] Liu D W, Yuan X S, Yan Y 2009 Chin. Phys. B 18 5507
[12] Liu D W, Yuan X S, Yan Y 2009 Chin. Phys. B 18 3049
[13] Pu C H, Liu P K, Xue Q Z 2010 Chin. Phys. B 19 048703
[14] Li H F, Du P Z,Yang S W 2000 Acta Phys. Sin. 49 312 (in Chinese) [李宏福、杜品忠、杨仕文 2000 49 312]
[15] Liu Y H, Li H F, Li H 2006 Acta Phys. Sin. 55 1718 (in Chinese) [刘迎辉、李宏福、李 浩 2006 55 1718]
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[1] Luo Y, Li H F, Xie Z L 2004 Acta Phys. Sin. 53 229 (in Chinese) [罗 勇、李宏福、谢仲怜 2004 53 229]
[2] Liu P K, Xu S X 2003 Journal of Electronics and Information Technology 25 683 (in Chinese) [刘濮鲲、徐寿喜 2003 电子与信息学报 25 683]
[3] Zasypkin E V 1996 IEEE Trans. on Plasma Sci. 24 666
[4] Danly B G 2000 IEEE Trans. on Plasma Sci. 28 713
[5] Choi J, McCurdy A, Wood F 1998 IEEE Trans. on Plasma Sci. 26 416
[6] Blank M, Danly B, Levush B 2000 IEEE Trans. on Plasma Sci. 28 706
[7] Blank M, Danly B, Levush B 1998 IEEE Trans. on Plasma Sci. 26 409
[8] Garven M, Calame J P 2000 IEEE Trans. on Plasma Sci. 28 672
[9] Walter M T, Nusinovich G S, Granatstein V L 2000 IEEE Trans. on Plasma Sci. 28 523
[10] Arjona M R, Lawson W G 2000 IEEE Trans. on Plasma Sci. 28 700
[11] Liu D W, Yuan X S, Yan Y 2009 Chin. Phys. B 18 5507
[12] Liu D W, Yuan X S, Yan Y 2009 Chin. Phys. B 18 3049
[13] Pu C H, Liu P K, Xue Q Z 2010 Chin. Phys. B 19 048703
[14] Li H F, Du P Z,Yang S W 2000 Acta Phys. Sin. 49 312 (in Chinese) [李宏福、杜品忠、杨仕文 2000 49 312]
[15] Liu Y H, Li H F, Li H 2006 Acta Phys. Sin. 55 1718 (in Chinese) [刘迎辉、李宏福、李 浩 2006 55 1718]
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