Vol. 31, issue 04, article # 12

Kraiskii A. V., Kraiskii A. A., Shevchenko M. A., Postnikov V. A., Sultanov T. T., Mironova T. V., Kazaryan M. A. Estimation of holographic layer parameters from transmission spectra in holographic sensors based on silver emulsions. // Optika Atmosfery i Okeana. 2018. V. 31. No. 04. P. 324–329. DOI: 10.15372/AOO20180412 [in Russian].
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It is shown that the transmission spectrum of a holographic sensor (silver nanograins embedded in a polymer matrix) is well described by expressions for the Rayleigh light scattering and absorption by silver nano-grains. The optical characteristics of the medium are determined in the Maxwell Garnett approximation. In the presence of a holographic structure, a dip appears in the spectrum. The possibility of obtaining the approximating curves depends on the approximation interval. The spectra are well approximated both in the presence and in absence of an interference structure. The dip parameters coincide well in the approximation range, despite the fact that the values of the background parameter associated with the absorption being found in different ranges of approximation can differ significantly.


holographic sensors, transmission spectrum, Rayleigh scattering, Rayleigh background approximation, Bragg dip


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