Spatial transfer of matter as a method of holographic recording in photoformers
| Autor: | V.V. Lemeshko, T.N. Smirnova, G.M. Karpov, V.V. Obukhovsky |
|---|---|
| Rok vydání: | 2000 |
| Předmět: |
Molecular diffusion
Materials science business.industry Diffusion Holography Thermal diffusivity Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials law.invention Optics Photopolymer law Attenuation coefficient Electrical and Electronic Engineering Physical and Theoretical Chemistry business Absorption (electromagnetic radiation) Refractive index |
| Zdroj: | Optics Communications. 174:391-404 |
| ISSN: | 0030-4018 |
| Popis: | A theoretical model is proposed for hologram recording in photoformers (polymer aggregates with polymerization-diffusion mechanism of refractive index modulation and/or absorption coefficient modulation). The main attention is concentrated on binary (bi-component) photoformers. The latter are a mixture of monomers (or monomer and neutral component) with different refractive indexes n1≠n2 or absorption coefficients α1≠α2. The importance of nonlinear diffusion under inhomogeneous photopolymerization is underlined. The generalization of the Fick's law for diffusion in the systems with the phase transformations of the mixture components is discussed. The holographic technique is successfully used for experimental evaluation of some photopolymer parameters: polymer chain termination order, diffusivity, etc. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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