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Comparison of THz backward wave oscillators based on corrugated waveguides.

Mineo, Mauro and Paoloni, Claudio (2012) Comparison of THz backward wave oscillators based on corrugated waveguides. Progress In Electromagnetics Research Letters, 30. pp. 163-171.

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Abstract

The backward wave oscillator is a promising and powerful source at THz frequencies. The rectangular corrugated waveguide is an effective solution as slow wave structure to design backward-wave oscillators (BWOs), suitable to be fabricated by photolithographic high-aspect ratio processes. However, assembling and vacuum pumping are a critical issue. In this paper, a corrugated waveguide with the width of the corrugation narrower than the waveguide width will be investigated as slow wave structure for BWOs. A relevant improvement from the point of view of the assembling, together with even better performance will be demonstrated. Two backward wave oscillators, at 1 THz central frequency, designed with conventional and narrow corrugated waveguide will be compared in terms of output power and frequency band of tuning.

Item Type: Article
Journal or Publication Title: Progress In Electromagnetics Research Letters
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Departments: Faculty of Science and Technology > Engineering
ID Code: 56650
Deposited By: ep_importer_pure
Deposited On: 01 Aug 2012 12:17
Refereed?: Yes
Published?: Published
Last Modified: 09 Apr 2014 23:55
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/56650

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