Optical properties of heterogeneous thin solid films formed from inorganic and organic compounds

Olaf Stenzel; Andrei Lebedev; Raiko Jaehnig; Hartmut Kupfer; Thomas Pfeifer; Steffen Wilbrandt

doi:10.1117/12.390575

30 June 2000 Optical properties of heterogeneous thin solid films formed from inorganic and organic compounds

Olaf Stenzel, Andrei Lebedev, Raiko Jaehnig, Hartmut Kupfer, Thomas Pfeifer, Steffen Wilbrandt

Proceedings Volume 4097, Complex Mediums; (2000) https://doi.org/10.1117/12.390575
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

We present and discuss the optical properties of thin film materials, which are inhomogeneous on the nanometer scale. Particular emphasis will be given to the specific optical behavior of the cluster matter. The cluster shape, cluster size, and the inter-cluster-distance control the latter. When the dielectric functions on the constituents are given, the influence of these spatial parameters on the optical properties may be understood in terms of the Generalized Mie Theorie (GMT), which provides a quantitative description to the optical behavior of such systems, no matter whether the cluster arrangement is preferable one-, two-, or three-dimensional. We will mainly focus on the case, when two-dimensional cluster aggregates are embedded into ultrathin solid films with a thickness of only a few nanometers. In this case, the film thickness appears as a third spatial parameters that is crucial for the optical behavior of the whole system. An appropriate choice of the material combination allows us to manipulate the optical film properties by even subnanometer changes of the mentioned spatial parameters. For instance, absorption line shifts for some hundred nanometers in wavelength may be achieved this way. As examples, amorphous hydrogenated carbon as well as metal island films in various environments will be discussed.

Citation Download Citation

Olaf Stenzel, Andrei Lebedev, Raiko Jaehnig, Hartmut Kupfer, Thomas Pfeifer, and Steffen Wilbrandt "Optical properties of heterogeneous thin solid films formed from inorganic and organic compounds", Proc. SPIE 4097, Complex Mediums, (30 June 2000); https://doi.org/10.1117/12.390575

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