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Improved Corrugation Cross-Sectional Shape in Terahertz Double Corrugated Waveguide

Mineo, Mauro and Paoloni, Claudio (2012) Improved Corrugation Cross-Sectional Shape in Terahertz Double Corrugated Waveguide. IEEE Transactions on Electron Devices, 59 (11). 3116 -3119. ISSN 0018-9383

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Abstract

The double corrugated waveguide, with square cross-sectional corrugations, was demonstrated as an effective slow-wave structure for terahertz vacuum electron devices. The moderate losses and the good interaction impedance, in both the forward- and backward-wave regimes, enable the design of tubes at terahertz frequencies. However, significant performance improvements would derive from a further reduction of losses and an increase of the interaction impedance. Different new cross-sectional shapes of the corrugations in the double corrugated waveguide are proposed to reduce the losses and improve the interaction impedance. A relevant improvement of the tube performance in both the forward- and backward-wave regimes is obtained by using the proposed new improved cross-sectional shapes.

Item Type: Article
Journal or Publication Title: IEEE Transactions on Electron Devices
Uncontrolled Keywords: Dispersion ; double corrugated waveguide ; losses ; slow-wave structure (SWS) ; terahertz
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Departments: Faculty of Science and Technology > Engineering
ID Code: 59472
Deposited By: ep_importer_pure
Deposited On: 25 Oct 2012 13:35
Refereed?: Yes
Published?: Published
Last Modified: 24 Jan 2014 05:33
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/59472

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