Vol. 31, Issue 4, pp. 769-780 (2001)

Abstract

Multi-layered holograms due to their multi-beam interference have other features contrary to usual bulk holograms. Analysis of the properties of such holograms is provided by coupled waves method. For two-layered holograms we can see oscillations of the dependence of diffraction efficiency on an angle incident onto a hologram or on the wavelength of incident beam, and besides oscillation period is defined mainly by the distance between holograms. Multi-layered holograms could be presented as two-dimensional periodic structures, for which variable of the dielectric constant (variable component of refractive index) could be shown as multiplication of two periodical functions.