Scaling properties of optical reflectance from quasiperiodic superlattices

Xiang Wu; He Shen Yao; Wei Guo Feng

doi:10.1117/12.47315

1 November 1991 Scaling properties of optical reflectance from quasi-periodic superlattices

Xiang Wu, He Shen Yao, Wei Guo Feng

Proceedings Volume 1519, International Conference on Thin Film Physics and Applications; (1991) https://doi.org/10.1117/12.47315
Event: International Conference on Thin Film Physics and Applications, 1991, Shanghai, China

Abstract

The scaling properties of the optical reflectance from two types of quasi-periodic metal- insulator superlattices, one with the structure of Cantor bars and the other with the structure of Cantorian-Fibonaccian train, have been studied for the region of s-polarized soft x-rays and extreme ultraviolet. By using the hydrodynamic model of electron dynamics and transfer- matrix method, and by taking into account retardation effects, we have presented the formalism of the reflectivity for the superlattices. From our numerical results, we found that the reflection spectra of the quasi-superlattices have a rich structure of self-similarity. The interesting scaling indices of the spectra, which are related to the fractal dimensions, are also discussed for the two kinds of the quasi-superlattices.

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Xiang Wu, He Shen Yao, and Wei Guo Feng "Scaling properties of optical reflectance from quasi-periodic superlattices", Proc. SPIE 1519, International Conference on Thin Film Physics and Applications, (1 November 1991); https://doi.org/10.1117/12.47315

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