Effects of composition and plastifier on the light scattering of polymer glasses and properties of polymeric optical fibers made from styrene-methyl methacrylate copolymers |
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| Authors: | Ladislav Dvo&#x nek, estmí r Ko&#x k,Tom &#x Neuh usl,Lud'ka Machov ,Miloslav &#x orm |
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| Affiliation: | Ladislav Dvořánek,Čestmír Koňák,Tomáš Neuhäusl,Lud'ka Machová,Miloslav Šorm |
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| Abstract: | High optical purity polystyrene (PS), poly(methyl methacrylate) (PMMA) and styrene-methyl methacrylate statistical copolymers (S-MMA) were prepared. Light scattering measured on polymeric glasses depends on the chemical composition of the polymer and on the refractive index of the plastifier added. An isorefractive plastifier reduces considerably the scattering values for the copolymers S-MMA, while having no significant effect on the scattering of PMMA. A plastifier with a refractive index different from that of the polymer raises distinctly the light scattering values in all cases. It has been shown that the isorefractive plastifier has a favourable effect on attenuation loss of polymeric optical fibers (POF) obtained from the copolymer S-MMA 2/1. |
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