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Proceedings Paper

Optimization of an overmoded smooth-wall circular wave guide section for carrying strong mm-wave power in ECRH experiments
Author(s): F. Bille
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Paper Abstract

In this paper we explore the possibility of using sections of overmoded smooth-wall circular waveguideinstead of an overall corrugated waveguide transmission line to carry strong mm-wave power in ECRHexperiments. To this end we carry out an exact analysis of the transitions from corrugated to smooth-wallwaveguide and optimize the length and size of the smooth-wall waveguide to achieve minimum losses. Thewhole structure is described by a generalized scattering matrix whose elements are obtained using the exactquasi-TE and quasi-TM uncoupled modes in the lossy smooth-wall waveguide.

Paper Details

Date Published: 30 November 2017
PDF: 2 pages
Proc. SPIE 2104, 18th International Conference on Infrared and Millimeter Waves, 21048D (30 November 2017); doi: 10.1117/12.2298733
Show Author Affiliations
F. Bille, DEEI - Univ. di Trieste (Italy)


Published in SPIE Proceedings Vol. 2104:
18th International Conference on Infrared and Millimeter Waves
James R. Birch; Terence J. Parker, Editor(s)

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