Analytical determination of the complex dielectric function of an absorbing medium from two angles of incidence of minimum parallel reflectance

  title={Analytical determination of the complex dielectric function of an absorbing medium from two angles of incidence of minimum parallel reflectance},
  author={Rasheed M. A. Azzam},
  journal={Journal of The Optical Society of America A-optics Image Science and Vision},
  • R. Azzam
  • Published 1 August 1989
  • Physics
  • Journal of The Optical Society of America A-optics Image Science and Vision
The real and imaginary parts of the complex dielectric function (or complex refractive index) of an opaque substrate or a thick film can be determined from two pseudo-Brewster angles measured in two transparent incidence media of different refractive indices. This two-angle method is simple in that it involves no photometric or polarimetric analysis and in that the solution for the optical properties in terms of the measured angles is explicit, analytical, and direct (i.e. noniterative). The… 

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