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Dispersion characteristics of a slow wave structure with a modified photonic band gap |
Gao Xi(高喜)a)b)†,Yang Zi-Qiang(杨梓强)a), Cao Wei-Ping(曹卫平)b),and Jiang Yan-Nan(姜彦南)b) |
a School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China; b Information and Communication College, Guilin University of Electronic Technology, Guilin 541004, China |
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Abstract This paper studies the dispersion characteristics of a modified photonic band-gap slow-wave structure with an open boundary by simulation and experiment. A mode launcher with a wheel radiator and a coupling probe is presented to excite a pure TM01-like mode. The cold test and simulation results show that the TM01-like mode is effectively excited and no parasitic modes appear. The dispersion characteristics obtained from the cold test are in good agreement with the calculated results.
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Received: 24 April 2010
Revised: 22 July 2010
Accepted manuscript online:
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PACS:
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07.57.Hm
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(Infrared, submillimeter wave, microwave, and radiowave sources)
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42.70.Qs
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(Photonic bandgap materials)
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84.40.Fe
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(Microwave tubes (e.g., klystrons, magnetrons, traveling-wave, backward-wave tubes, etc.))
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Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 10975036 and 61071018) and the Guangxi Natural Science Foundation, China (Grant No. 2010GXNSFB013049). |
Cite this article:
Gao Xi(高喜), Yang Zi-Qiang(杨梓强), Cao Wei-Ping(曹卫平), and Jiang Yan-Nan(姜彦南) Dispersion characteristics of a slow wave structure with a modified photonic band gap 2011 Chin. Phys. B 20 030703
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