Microwave reflection properties of a rotating corrugated metallic plate used as a reflection modulator

Gordon E. Peckham, Robert A. Suttie

Research output: Contribution to journalArticle

Abstract

The performance of a simple microwave modulating retro-reflector based on a rotating corrugated metallic plate is analyzed theoretically and compared with laboratory measurements. Fields within the corrugations are described by waveguide modes and free-space fields by Floquet modes. The periodicity of the grooves is represented through the reciprocal lattice corresponding to the periodic structure. The accuracy of the calculation is analyzed as a function of the number of modes used to describe the electromagnetic field. Graphs are given for the design of a modulator for any wavelength.

Original languageEnglish
Pages (from-to)1000-1005
Number of pages6
JournalIEEE Transactions on Antennas and Propagation
Volume36
Issue number7
DOIs
Publication statusPublished - Jul 1988

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