Abstract
The applicability of formulas obtained earlier by the author for determining the important optical characteristics of films comparable in thickness to the wavelength of light are discussed in this paper. Corroborative experimental data for amorphous films of titanium dioxide prepared by chemical means and heated for 1 hr in air at 600 ° C are reported. Values of the index of refraction calculated by the author's method are compared with data obtained using A. S. Valeev's interference method [5]. A new formula for determining the transmittance of films in a highly absorbing region is presented, which ensures better convergence of the approximating series.
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I am deeply grateful to F. A. Korolev for his interest in this work and for his valuable observations and to R. P. Fialovskaya for her kind donation of the titanium dioxide specimens for this research.
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Tekucheva, I.A. Determination of the optical characteristics of thin film coatings. II. Soviet Physics Journal 9, 79–83 (1966). https://doi.org/10.1007/BF01206502
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DOI: https://doi.org/10.1007/BF01206502