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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 54, Iss. 7 — Jul. 1, 1964
  • pp: 904–906

Analytical Determination of Optical Constants Based on the Polarized Reflectance at a Dielectric-Conductor Interface

ROY F. POTTER  »View Author Affiliations

JOSA, Vol. 54, Issue 7, pp. 904-906 (1964)

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An analysis is made of the photometrically determined ratio of the reflectances for the components, polarized parallel and perpendicular to the plane of incidence. Given the experimentally determined minimum ratio R11/R1 value and the angle of incidence, φB, at that minimum for a specular surface, an analytic determination of the real and imaginary parts of the dielectric constant can be made. Curves are given showing the limits for which certain successive simplifying approximations can be made that are consistent with experimental accuracy. Data for a GaSb sample at λ= 5800 Å are given with the computed values of ε1, ε2, and n and k.

ROY F. POTTER, "Analytical Determination of Optical Constants Based on the Polarized Reflectance at a Dielectric-Conductor Interface," J. Opt. Soc. Am. 54, 904-906 (1964)

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  1. T. S. Moss, Optical Properties of Semiconductors (Butterworths Scientific Publications Ltd., London, 1959). Also, see standard texts which treat the Fresnel reflectance and transmittance.
  2. D. G. Avery, Proc. Phys. Soc. (London) B65, 425 (1952).
  3. R. E. Lindquist and A. W. Ewald, A. Opt. Soc. Am. 53, 247 (1963).
  4. Subsequent to the presentation of Ref. 5 it was learned that H. B. Holl had carried out detailed calculations of the reflectances and characteristic angles (of which φB is one) for values of 0.1 ≤n≤4.0 and 0.1≤k≤6.0 in intervals of 0.1. Tabulated results appear in U. S. Army Missile Command Report No. RF-TR-63-4. I am grateful to Holl for supplying me with a copy.
  5. R. F. Potter, J. Opt. Soc. Am. 53, 1344 (1963).

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