Image Stability Of DMP-128 Holograms

Abstract

DMP-128 Photopolymer Holographic Optical Elements are stable to natural environmental conditions. The DMP-128 holograms may also be specially treated so as to withstand the harsh conditions and chemical environments involved in some manufacturing processes. This treatment involves filling the air voids in the photopolymer structure with a low refractive index monomer which is then polymerized in place. Void filled samples were laminated into glass structures, including a polyvinylbutyral interlayer, at high temperature and pressure. The resulting glass laminates were then stored at high temperature; in every case only small, predictable and reproducible changes in the optical properties were observed.