Scattering of linearly polarized microwave radiation from a dielectric target including the interaction between target elements

Richard D. Haracz, Leonard D. Cohen, Alice R.W. Presley, Ariel Cohen

Research output: Contribution to journalArticlepeer-review

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Abstract

The theory for finding the internal field within a dielectric helix when the radiation has a wavelength larger than the diameter of the helical wire is presented. Intensities are calculated and compared to an experiment and to the theoretical results of an earlier paper that does not include the self-interaction effect. The internal field is defined in terms of a polarization matrix that is assumed to be constant across any cross section of the helix. It is found that target self-iteractions have a significant effect on the internal field. It is also noted that this effect for the far field intensities, although significant and generally a better fit to the data, is not profoundly different. That is, the effects of a more appropriately constructed internal field are less important than the geometry effect in the far field.

Original languageEnglish
Pages (from-to)1338-1344
Number of pages7
JournalApplied Optics
Volume28
Issue number7
DOIs
StatePublished - Apr 1989
Externally publishedYes

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