Surface polaritons in the systems air-ZnO-SiO<sub>2</sub> and air-Ge-BeO: experiment and calculations

G. I. Dovbeshko; S. P. Makarenko; I. V. Sekirin

doi:10.1117/12.569630

20 July 2004 Surface polaritons in the systems air-ZnO-SiO₂ and air-Ge-BeO: experiment and calculations

G. I. Dovbeshko, S. P. Makarenko, I. V. Sekirin

Proceedings Volume 5507, XVI International Conference on Spectroscopy of Molecules and Crystals; (2004) https://doi.org/10.1117/12.569630
Event: XVI International Conference on Spectroscopy of Molecules and Crystals, 2003, Sevastopol, Ukraine

Abstract

For the air-ZnO-Si0₂ system (d_ZnO ~0.1-10μ, 400-600 cm^-1 spectral region) we show that there exist three branches of surface polaritons (~420-430, 470-520 and 520-570 cm^-1), the first of them being weak for all d_ZnO. For model medium instead of Si0₂, one of two SP branches which one has for ZnO film in air gradually transforms to two branches. The calculations predict wave-guide branches in both p- and s-polarizations below 420 cm^-1. For the air-Ge-BeO system (dZnGe ~0.1-10μm, 600-1200 cm^-1), deposition of Ge allows one to move the SP absorption away from the frequency of CO₂ laser (960 cm^-1).

Citation Download Citation

G. I. Dovbeshko, S. P. Makarenko, and I. V. Sekirin "Surface polaritons in the systems air-ZnO-SiO₂ and air-Ge-BeO: experiment and calculations", Proc. SPIE 5507, XVI International Conference on Spectroscopy of Molecules and Crystals, (20 July 2004); https://doi.org/10.1117/12.569630

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