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首页> 外文会议>Conference on Fine, Ultrafine and Nano Particles'00, Oct 29 - Nov 1, 2000, Montreal, Quebec, Canada >OPTICAL FIBER FABRICATION UTILIZING NANOPARTICLE SOL-PROCESSING
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OPTICAL FIBER FABRICATION UTILIZING NANOPARTICLE SOL-PROCESSING

机译：利用纳米粒子固溶加工的光纤制造

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Sol-gel has been pursued as a means for producing vitreous silica of high intrinsic worth for optical fiber manufacture. Bell Laboratories has developed a gel-casting process to produce large tubes to serve as jacketing which comprises more than 90% of the optical fiber's mass. This sol-gel process uses colloidal, nanometer-sized silica particles dispersed in high pH water. The sol is cast into a mold, gelled by reducing the pH, and dried to a porous tube. The dried tube is heat treated to remove organic species, to dehydrate, and to purify by removing transition metals and refractory oxide particles. The purified tubes are then sintered to transparency at high temperature in a helium atmosphere. These tubes produce optical fiber meeting current commercial standards, demonstrating the net shape forming advantages of this sol-gel process. The talk includes introductory background on optical fiber manufacturing techniques, the fundamental science involved in the sol-gel process steps, and some of the engineering aspects of a manufacturing process.
机译：一直以来，溶胶-凝胶一直被认为是生产用于光纤制造的具有高内在价值的玻璃状二氧化硅的方法。贝尔实验室已开发出一种凝胶浇铸工艺，以生产大套管作为护套，该套管占光纤质量的90％以上。此溶胶-凝胶工艺使用分散在高pH水中的胶体纳米大小的二氧化硅颗粒。将溶胶浇铸到模具中，通过降低pH值使其胶凝，然后干燥成多孔管。对干燥后的试管进行热处理，以去除有机物，脱水并通过去除过渡金属和难熔氧化物颗粒进行纯化。然后将纯化的管在氦气氛中在高温下烧结成透明的。这些管生产的光纤符合当前的商业标准，证明了这种溶胶-凝胶工艺的净形形成优势。演讲内容包括光纤制造技术的介绍背景，溶胶-凝胶工艺步骤涉及的基础科学以及制造工艺的一些工程方面。

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