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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 56, Iss. 6 — Jun. 1, 1966
  • pp: 749–750

Optical Constants of Evaporated Gold and Platinum Films on Potassium Tantalate

V. L. RIDEOUT and S. H. WEMPLE  »View Author Affiliations

JOSA, Vol. 56, Issue 6, pp. 749-750 (1966)

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The optical constants n and k of evaporated platinum films on glass substrates have been measured in the spectral region 4500Å–7500 Å. The reflectance Rm of gold and platinum films on a potassium tantalate (KTaO3) substrate has been measured from the substrate side and found to be somewhat lower than the calculated values. This discrepancy may be explained by relatively small alternations in n and/or k of the metal film or by scatter at the KTaO3—metal interface.

V. L. RIDEOUT and S. H. WEMPLE, "Optical Constants of Evaporated Gold and Platinum Films on Potassium Tantalate," J. Opt. Soc. Am. 56, 749-750 (1966)

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  1. O. S. Heavens, "Optical Constants of Thin Films," in Physics of Thin Films (Academric Press Inc., New York, 1964), Vol. 2, pp. 193–238.
  2. P. R. Phillip, J. Phys. Radium 20, 742 (1959).
  3. R. W. Soshea and R. C. Lucas, Phys. Rev. 138, A1182 (1965).
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  5. L. G. Schulz, J. Opt. Soc. Am. 44, 357 (1954).
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