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Traveling wave tube (TWT) regenerative feedback oscillators have been demonstrated to be very attractive terahertz source devices. The principle and the physical model of this kind of device are analyzed. To see more detailed oscillation process, a 560 GHz folded waveguide TWT oscillator is presented. The results show steady-state oscillation frequencies exist between 550—600 GHz, and a single-frequency oscillation is found near 560 GHz. An oscillation frequency step-tuning behavior with the continuous variation of the beam voltage is discussed.
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Keywords:
- terahertz source /
- traveling wave tubes /
- oscillator /
- folded waveguide
[1] Liu S G, Zhong R B 2009 J. Univ. Electron. Sci. Technol. China 38 481 (in Chinese) [刘盛纲、钟任斌 2009 电子科技大学学报 38 481]
[2] Booske J H 2008 Phys. Plasmas 15 055502
[3] Barker R J, Booske J H, Luhmann N C Jr, Nusinovich G S 2005 Modern Microwave and Millimeter-Wave Power Electronics (New York: Wiley/IEEE).
[4] Booske J H, Converse M C, Kory C L, Chevalier C T, Gallagher D A, Kreischer K E, Heinen V O, Bhattacharjee S 2005 IEEE Trans. Electron Dev. 52 685
[5] Kreischer K E, Tucek J C, Gallagher D A, Mihailovich R E 2008 IEEE International Conference on Infrared and Millimeter Waves and 14th International Conference on Terahertz Electronics (Piscataway: IEEE) p1
[6] Marchewka C, Larsen P, Bhattacharjee S, Booske J H, Sengele S, Ryskin N M, Titov V N 2006 Phys. Plasmas 13 013104
[7] Bhattacharjee S, Booske J H, Kory C L, van der Weide D W, Limbach S, Gallagher S, Welter J D, Lopez M R, Gilgenbach R M, Ives R L, Read M E, Divan R, Mancini D C 2004 IEEE Trans. Plasma Sci. 32 1002
[8] Antonsen T MJr, Manheimer W M 1998 IEEE Trans. Plasma Sci. 26 444
[9] Mallinson J C 2004 IEEE Trans. Magn. 40 3407
[10] Gao P, Yang Z H, Li B, Li J Q, Hu Y L, Zhu X F, Liao L 2007 High Power Laser and Particle Beams 19 459 (in Chinese) [高 鹏、杨中海、李 斌、李建清、胡玉禄、朱小芳、廖 莉 2007 强激光与粒子束 19 459]
[11] Gao P, Booske J H, Yang Z H 2010 IEEE International Vacuum Electronics Conference (Piscataway: IEEE) pp321—322
[12] Gao P, Booske J H 2009 IEEE International Conference on Plasma Science (Piscataway: IEEE) p5227423
[13] Gao P, Booske J H, Yang Z H 2010 IEEE Trans. Electron Dev. 57 1152
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[1] Liu S G, Zhong R B 2009 J. Univ. Electron. Sci. Technol. China 38 481 (in Chinese) [刘盛纲、钟任斌 2009 电子科技大学学报 38 481]
[2] Booske J H 2008 Phys. Plasmas 15 055502
[3] Barker R J, Booske J H, Luhmann N C Jr, Nusinovich G S 2005 Modern Microwave and Millimeter-Wave Power Electronics (New York: Wiley/IEEE).
[4] Booske J H, Converse M C, Kory C L, Chevalier C T, Gallagher D A, Kreischer K E, Heinen V O, Bhattacharjee S 2005 IEEE Trans. Electron Dev. 52 685
[5] Kreischer K E, Tucek J C, Gallagher D A, Mihailovich R E 2008 IEEE International Conference on Infrared and Millimeter Waves and 14th International Conference on Terahertz Electronics (Piscataway: IEEE) p1
[6] Marchewka C, Larsen P, Bhattacharjee S, Booske J H, Sengele S, Ryskin N M, Titov V N 2006 Phys. Plasmas 13 013104
[7] Bhattacharjee S, Booske J H, Kory C L, van der Weide D W, Limbach S, Gallagher S, Welter J D, Lopez M R, Gilgenbach R M, Ives R L, Read M E, Divan R, Mancini D C 2004 IEEE Trans. Plasma Sci. 32 1002
[8] Antonsen T MJr, Manheimer W M 1998 IEEE Trans. Plasma Sci. 26 444
[9] Mallinson J C 2004 IEEE Trans. Magn. 40 3407
[10] Gao P, Yang Z H, Li B, Li J Q, Hu Y L, Zhu X F, Liao L 2007 High Power Laser and Particle Beams 19 459 (in Chinese) [高 鹏、杨中海、李 斌、李建清、胡玉禄、朱小芳、廖 莉 2007 强激光与粒子束 19 459]
[11] Gao P, Booske J H, Yang Z H 2010 IEEE International Vacuum Electronics Conference (Piscataway: IEEE) pp321—322
[12] Gao P, Booske J H 2009 IEEE International Conference on Plasma Science (Piscataway: IEEE) p5227423
[13] Gao P, Booske J H, Yang Z H 2010 IEEE Trans. Electron Dev. 57 1152
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