New experimental results concerning real-time hologram recording in dichromated sensitized gelatin and polyvinyl alcohol are presented. Self-enhancement of the holographic gratings observed in the dark in both of these dye-polymer systems is shown.
A. Olivares-PérezI. Fuentes-TapiaY. Jauregui-SánchezS. Toxqui-LópezRosario Juárez-Néstor
José A. QuintanaPedro G. BojJ. CrespoJ. A. Vallés-AbarcaJosé M. Villalvilla