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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 15, Iss. 8 — Aug. 1, 1976
  • pp: 1996–1999

Electromagnetic scattering from a spherical polydispersion of coated spheres

George W. Kattawar and Dan A. Hood  »View Author Affiliations


Applied Optics, Vol. 15, Issue 8, pp. 1996-1999 (1976)
http://dx.doi.org/10.1364/AO.15.001996


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Abstract

The volume averaged cross sections for extinction, scattering, absorption, and radiation pressure along with the elements of the phase matrix were computed for a spherical polydispersion of water coated carbon particles. The wavelength used was 4910 Å. Two cases were considered. For one we held the thickness of the water coating constant over the polydispersion, while the parameter q = r0/r, (the ratio of core radius to total radius) was varied. For the subsequent case we held q constant over the polydispersion, while the thickness of the coating varied. The results show that there are large differences in both the intensity and degree of polarization between dry and wet aerosols. Also interference phenomena can occur, which demonstrate that the assignment of an average refractive index to aerosols can be misleading and can lead to erroneous results.

© 1976 Optical Society of America

History
Original Manuscript: January 31, 1976
Published: August 1, 1976

Citation
George W. Kattawar and Dan A. Hood, "Electromagnetic scattering from a spherical polydispersion of coated spheres," Appl. Opt. 15, 1996-1999 (1976)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-15-8-1996


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References

  1. D. Sinclair, R. J. Countess, A. S. Hooper, Atmos. Environ. 8, 1111 (1974). [CrossRef] [PubMed]
  2. P. Winkler, Proceedings of the 7th International Conference on Condensation and Ice Nuclei (Prague and Vienna, 1969), Supplementary Volume, p. 168.
  3. P. Winkler, J. Aerosol Sci. 4, 373 (1973). [CrossRef]
  4. A. L. Aden, M. Kerker, J. Appl. Phys. 22, 1242 (1951). [CrossRef]
  5. M. Kerker, The Scattering of Light and Other Electromagnetic Radiation (Academic Press, New York, 1969).
  6. R. Fenn, H. Oser, Appl. Opt. 4, 1504 (1965). [CrossRef]
  7. D. Deirmendjian, Electromagnetic Scattering on Spherical Polydispersions (Elsevier; New York, 1969).

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