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MATHEMATICAL MODELING OF SPECTRAL CHARACTERISTICS OF OPTICAL COATINGS WITH SLIGHTLY INHOMOGENEOUS CHALCOGENIDE FILMS

A. Mitsa1, V. Mitsa1,* , A. Ugrin1

Affiliation

  1. Uzhgorod National University, 54 Voloshyn Str., Uzhgorod 88000, Ukraine

Abstract

The existence of high-refractive regions with inhomogeneous distribution of the refractive index over the depth at the interfaces of film – air (a near-surface region) and film – substrate (a transition region) for oxygen free non-crystalline films has been experimentally established. A structural model for these films has been proposed. The influence of transition and near – surface regions on spectral characteristics of a single quarter-wave layer and cut off and narrow-band filters has been studied..

Keywords

Refractive index, Interference filters, Chalcogenide, Spectral characteristics.

Submitted at: Dec. 6, 2004
Accepted at: March 23, 2005

Citation

A. Mitsa, V. Mitsa, A. Ugrin, MATHEMATICAL MODELING OF SPECTRAL CHARACTERISTICS OF OPTICAL COATINGS WITH SLIGHTLY INHOMOGENEOUS CHALCOGENIDE FILMS, Journal of Optoelectronics and Advanced Materials Vol. 7, Iss. 2, pp. 955-962 (2005)