7 February 2007 Preparation of graded-index plastic optical fiber by co-extrusion process
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A novel fabrication method of graded index polymer optical fibers (GI-POFs) called the "co-extrusion process" is proposed and demonstrated for first time. This continuous fabrication process can reduce the fabrication cost of GI-POFs. Dopant diffusion temperature, dopant diffusion time, and the molecular weight of PMMA were optimized. By this optimization, desirable refractive index profile was achieved. Therefore, it is exhibited that the GI-POF obtained by the co-extrusion process has as high bandwidth as the one prepared by the conventional interfacial-gel polymerization process.
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Ryoma Hirose, Ryoma Hirose, Makoto Asai, Makoto Asai, Atsushi Kondo, Atsushi Kondo, Yasuhiro Koike, Yasuhiro Koike, } "Preparation of graded-index plastic optical fiber by co-extrusion process", Proc. SPIE 6470, Organic Photonic Materials and Devices IX, 64700K (7 February 2007); doi: 10.1117/12.700193; https://doi.org/10.1117/12.700193

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