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Applied Optics

Applied Optics


  • Vol. 9, Iss. 12 — Dec. 1, 1970
  • pp: 2685–2690

Radiation from a Homogeneous Isothermal Sphere

G. W. Kattawar and M. Eisner  »View Author Affiliations

Applied Optics, Vol. 9, Issue 12, pp. 2685-2690 (1970)

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The theory of electromagnetic fluctuations as developed by Rytov was used to calculate the radiant power as a function of frequency radiated from a homogeneous isothermal sphere. The formula obtained is valid for all radii, frequencies, and complex dielectric constants. It is also shown that the emission coefficient computed from this theory is precisely equal to the absorption coefficient computed from the Mie theory. The formula obtained is readily adaptable to numerical calculations, and results are presented for the case of a good conducting sphere with a wide range of size parameters.

© 1970 Optical Society of America

Original Manuscript: October 2, 1968
Published: December 1, 1970

G. W. Kattawar and M. Eisner, "Radiation from a Homogeneous Isothermal Sphere," Appl. Opt. 9, 2685-2690 (1970)

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  1. S. M. Rytov, Theory of Electric Fluctuations and Thermal Radiation, AD 226765 (Defense Documentation Center, Arlington, Va., 1959).
  2. L. D. Landau, E. M. Lifshitz, Electrodynamics of Continuous Media (Addison-Wesley, Reading, Mass., 1960), p. 361.
  3. H. C. Van de Hulst, Light Scattering by Small Particles, (Wiley, New York, 1951), p. 452.
  4. G. W. Kattawar, G. N. Plass, Appl Opt. 6, 1377 (1967). [CrossRef] [PubMed]
  5. J. A. Stratton, Electromagnetic Theory (McGraw-Hill, New York, 1941), p. 415.
  6. Colorimetry, OSA Committee, The Science of Color (Crowell, New York, 1953), p. 192.
  7. H. B. G. Casimir, J. Chim. Phys. 43, 863 (1965). [CrossRef]
  8. G. W. Kattawar, M. Eisner, J. Chem Phys. 43, 863 (1965). [CrossRef]
  9. G. N. Plass, Appl. Opt. 5, 279 (1966). [CrossRef] [PubMed]

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