Abstract
Organic-inorganic nanocomposite films were prepared by dispersing an aromatic methacrylic monomer and a photo-initiator in organic-inorganic hybrid sol-gel matrices. The film properties could be controlled by optimizing the content of an organically modified silica precursor (TSPEG) in the sol-gel matrices. The photopolymer film modified with the organic chain (TSPEG) showed high diffraction efficiency (>90%) under an optimized condition. High diffraction efficiency could be ascribed to the fast diffusion and efficient polymerization of monomers under interference light to generate refractive index modulation. The TSPEG modified photopolymer film could be successfully used for holographic memory. Angular selectivity of the film were 0.46 ∼ 0.16 depending on the film thickness in the incident angles between 20° ∼ 70°. A digital holographic image and a real object were recorded successfully in the photopolymer film.
| Original language | English |
|---|---|
| Article number | 17 |
| Pages (from-to) | 124-132 |
| Number of pages | 9 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 5560 |
| DOIs | |
| Publication status | Published - 2004 |
| Event | Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications X - Denver, CO, United States Duration: 2004 Aug 2 → 2004 Aug 3 |
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Computer Science Applications
- Applied Mathematics
- Electrical and Electronic Engineering