The non-linear response of dye-sensitive photopolymers in real time holography

Abstract

Photopolymers are considered today one of the most promising recording materials for holographyc because with them it is possible to achieve high diffraction efficiencies and low signal-to-noise ratios, while working in real time. Moreover, they are self-developing materials. In this paper we propose a non-linear model that, using the accepted mechanism of most photopolymerization reactions as a starting point, justifies the non-linear response of the diffraction efficiency curve, when these recording materials are analysed in real time.