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Applied Optics

Applied Optics


  • Vol. 34, Iss. 10 — Apr. 1, 1995
  • pp: 1684–1691

Reflection–transmission photoellipsometry: theory and experiments

G. Bader, P. V. Ashrit, F. E. Girouard, and Vo-Van Truong  »View Author Affiliations

Applied Optics, Vol. 34, Issue 10, pp. 1684-1691 (1995)

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We propose a method that uses reflection and transmission photoellipsometry to analyze samples consisting of thin films combined with semitransparent thick layers or substrates in the form of multilayer structures. A thick film or substrate is defined as a layer for which no interference effects can be observed for a given wavelength resolution, and contributions from multiple reflections in the substrate are taken into account in the theoretical treatment. An automatic reflection–transmission spectroscopic ellipsometer was built to test the theory, and satisfactory results have been obtained. Examples corresponding to a strongly absorbing film deposited on a glass substrate and a highly transmitting film also deposited on glass are shown. In both cases a good fit between theory and experiment is found. The photoellipsometric method presented is particularly suited to the analysis of actual samples of energy-efficient coatings for windows.

© 1995 Optical Society of America

Original Manuscript: June 13, 1994
Published: April 1, 1995

G. Bader, P. V. Ashrit, F. E. Girouard, and Vo-Van Truong, "Reflection–transmission photoellipsometry: theory and experiments," Appl. Opt. 34, 1684-1691 (1995)

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