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February 15, 1959Physical Review

Optical Constants of Germanium in the Region 1 to 10 ev

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Authors

HPH. R. PhilippETE. A. Taft

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Overview

Measures the reflectance and optical constants of germanium, indicating key properties in photon energy regions.

Key Points

  • The aim is to determine the optical constants of germanium in the 1 to 10 eV range through reflectance measurements.
  • Measured reflectance of single-crystal germanium from 0.6 to 11.3 eV.
  • Computed phase using Kramers-Kronig relation from the reflectance data.
  • Determined optical constants using Fresnel reflectivity equation.
  • Real refractive index maxima are 5.5 at 2.07 eV and 4.2 at 3.2 eV.
  • Extinction coefficient maxima are 2.0 at 2.5 eV and 4.2 at 4.4 eV.
  • Results agree well with Archer's measurements below 3.5 eV but diverge thereafter.

Cite This Study

Philipp et al. (1959) studied this question.

synapsesocial.com/papers/6a09ed0187ad1657d251d96fhttps://doi.org/10.1103/physrev.113.1002
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