The aim of the study was to investigate spatial distribution of electric field in multilayer mirrors, formed by both homogeneous and inhomogeneous layers. Spatial distribution of amplitude and intensity of electric field in different systems of practical importance was investigated. The idea of using inhomogeneous layers to decrease negative effects of high amplitude electric fields on the boundaries between the layers is considered. The results of numeric modeling of properties of such systems are presented.
Multilayer dielectric systems find wide employment in different fields of science and engineering. Dielectric systems, formed by layers with small absorption, attract particular interest. Value of absorption, as a rule, depends on structure of the system (order and optical thickness of layers), angle of incidence and wavelength of radiation. Experiment shows that there are peaks of absorption on certain angles of incidence and wavelength, but behavior of absorption wasn't studied well. Model of a system, formed by isotropic layers settled on semiinfinite substate proved to be a good approximation for many of real optical systems. We studied pecularities in spectral dependencies of reflection, transmission and absorption coefficients in dependance on the angle of incidence and wavelength of falling radiation with flat wave front. Problem was solved on the basis of Maxwell equations and corresponding boundary conditions.
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