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Proceedings Paper

Analysis of scattering of the open resonator fieldfrom the cavity-backed aperture
Author(s): Oleg Belous
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Paper Abstract

Resonance inhomogeneities as cavity-backed apertures are proposedfor the mode selection in open resonators. The suggested cavity-backedapertures inhomogeneities is a perfectly conductive circular cylinderwith a longitudinal slot. A superposition of two plane wavespropagating in opposite directions is considered as an incident fieldin the theoretical research. It is shown that the slotted cylinder canboth be imperceptible for an initial stationary wave field andefficiently scattered it in dependance of the parameters of thecylinder. The experimental results in the 8mm wave band are in goodagreement with numerical data. An rotation of the cylinder or itsshift from the determined position toward the open resonator mirrorslead to the considerable increasing of the scattered field energy andconsequently to decreasing the open resonator Q.

Paper Details

Date Published: 30 August 1993
PDF: 2 pages
Proc. SPIE 2104, 18th International Conference on Infrared and Millimeter Waves, 210430 (30 August 1993); doi: 10.1117/12.2298540
Show Author Affiliations
Oleg Belous, Institute of Radiophysics and Electronics (Ukraine)

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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