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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 28, Iss. 7 — Apr. 1, 1989
  • pp: 1338–1344

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, and Ariel Cohen  »View Author Affiliations


Applied Optics, Vol. 28, Issue 7, pp. 1338-1344 (1989)
http://dx.doi.org/10.1364/AO.28.001338


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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.

© 1989 Optical Society of America

History
Original Manuscript: June 8, 1988
Published: April 1, 1989

Citation
Richard D. Haracz, Leonard D. Cohen, Alice R. W. Presley, and Ariel Cohen, "Scattering of linearly polarized microwave radiation from a dielectric target including the interaction between target elements," Appl. Opt. 28, 1338-1344 (1989)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-28-7-1338


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References

  1. R. D. Haracz, L. D. Cohen, A. Cohen, R. T. Wang, “Scattering of Linearly Polarized Microwave Radiation from a Dielectric Helix,” Appl. Opt. 26, 4632 (1987). [CrossRef] [PubMed]
  2. K. S. Shifrin, Scattering of Light in a Turbid Medium (Moscow, 1951; NASA TTF 447, Washington, DC, 1968).
  3. C. Acquista, “Light Scattering by Tenuous Particles: A Generalization of the Rayleigh-Gans-Rocard Approach,” Appl. Opt. 15, 2932 (1976). [CrossRef] [PubMed]
  4. L. D. Cohen, R. D. Haracz, A. Cohen, C. Acquista, “Scattering of Light from Arbitrarily Oriented Finite Cylinders,” Appl. Opt. 22, 742 (1983). [CrossRef] [PubMed]
  5. R. D. Haracz, L. D. Cohen, A. Cohen, “Perturbation Theory for Scattering from Dielectric Spheroids and Short Cylinders,” Appl. Opt. 23, 436 (1984). [CrossRef] [PubMed]
  6. R. D. Haracz, L. D. Cohen, C. Acquista, “Light Scattering from Dielectric Targets Composed of a Continuous Assembly of Circular Disks,” Appl. Opt. 25, 4386 (1986). [CrossRef] [PubMed]
  7. S. Zeitz, A. Belmont, C. Nicolini, “Differential Scattering of Circularly Polarized Light as a Unique Probe of Polynecleonsome Superstructures,” Cell Biophys. 5, 163 (1983).
  8. C. Bustamente, M. F. Maestre, D. Keller, I. Tinoco, “Differential Scattering (CIDS) of Circularly Polarized Light by Dense Particles,” J. Chem. Phys. 80, 4817 (1984). [CrossRef]
  9. S. B. Singham, C. F. Bohren, “Lights Scattering by an Arbitrary Particle: A Physical Reformation of the Coupled Dipole Method,” Opt. Lett. 12, 10 (1987). [CrossRef] [PubMed]
  10. G. W. Kattawar, C-R Hu, M. E. Parkin, P. Herb, “Mueller Matrix Calculations for Dielectric Cubes: Comparison with Experiments,” Appl. Opt. 26, 4174 (1987). [CrossRef] [PubMed]
  11. M. Born, E. Wolf, Principles of Optics (Pergamon, Oxford, 1965), see Appendix 5.
  12. A paper has just appeared in Applied Optics that also makes a comparison of theory to the same experiment as used in Ref. 1 for a right-handed helix; see P. Chiappetta and B. Torresani, “Electromagnetic Scattering from a Dielectric Helix,” Appl. Opt. 27, 4856 (1988).

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