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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 21, Iss. 16 — Aug. 15, 1982
  • pp: 2968–2971

Precision in the ellipsometric determination of the optical constants of very thin films

G. Vuye and T. López-Ríos  »View Author Affiliations


Applied Optics, Vol. 21, Issue 16, pp. 2968-2971 (1982)
http://dx.doi.org/10.1364/AO.21.002968


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Abstract

The possibilities of obtaining the optical constants of very thin films from ellipsometric measurements are analyzed with the help of the approximate Drude formulas. The influence of ellipsometric errors on the determination of the optical constants of thin films is examined. It is shown that the accuracy is extremely small when the dielectric constant ˜ of the thin film is equal to the refractive index of the substrate n ˜ s = ˜ s.

© 1982 Optical Society of America

History
Original Manuscript: March 1, 1982
Published: August 15, 1982

Citation
G. Vuye and T. López-Ríos, "Precision in the ellipsometric determination of the optical constants of very thin films," Appl. Opt. 21, 2968-2971 (1982)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-21-16-2968


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References

  1. R. M. A. Azzam, N. M. Bashara, Ellipsometry and Polarized Light (North-Holland, Amsterdam, 1977), Chap. 4.
  2. F. Abelès, Thin Solid Films 34, 291 (1976). [CrossRef]
  3. D. E. Aspnes, in Optical Properties of Solids: New Developments, B. O. Seraphin, Ed. (North-Holland, Amsterdam, 1976), Chap. 15, p. 186.
  4. R. M. A. Azzam, Surf. Sci. 96, 67 (1980). [CrossRef]
  5. F. Abelès, in Advanced Optical Techniques, A. C. S. van Heel, Ed. (North-Holland, Amsterdam, 1967), p. 145.

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