| CROSS-DISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY |
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A Comparative Study of Dispersion Characteristics Determination of a Trapezoidally Corrugated Slow Wave Structure Using Different Techniques |
| Md. Ghulam Saber**, Rakibul Hasan Sagor, Md. Ruhul Amin |
Department of Electrical and Electronic Engineering, Islamic University of Technology, Gazipur 1704, Bangladesh
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| Cite this article: |
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Md. Ghulam Saber, Rakibul Hasan Sagor, Md. Ruhul Amin 2016 Chin. Phys. Lett. 33 018401 |
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Abstract The linear dispersion relation of a trapezoidally corrugated slow wave structure (TCSWS) is analyzed and presented. The size parameters of the TCSWS are chosen in such a way that they operate in the x-band frequency range. The dispersion relation is solved by utilizing the Rayleigh–Fourier method by expressing the radial function in terms of the Fourier series. A highly accurate synthetic technique is also applied to determine the complete dispersion characteristics from experimentally measured resonances (cold test). Periodic structures resonate at specific frequencies when the terminals are shorted appropriately. The dispersion characteristics obtained from numerical calculation, synthetic technique and cold test are compared, and an excellent agreement is achieved.
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Received: 30 July 2015
Published: 29 January 2016
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| PACS: |
84.40.Fe
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(Microwave tubes (e.g., klystrons, magnetrons, traveling-wave, backward-wave tubes, etc.))
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52.40.Fd
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(Plasma interactions with antennas; plasma-filled waveguides)
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84.40.Az
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(Waveguides, transmission lines, striplines)
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84.47.+w
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(Vacuum tubes)
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