首页>
外国专利>
APPARATUS FOR MANUFACTURING AN OPTICAL FIBER PREFORM AND INCLUDING A RING FOR TRAPPING AND DIFFUSING LIGHT RADIATION
APPARATUS FOR MANUFACTURING AN OPTICAL FIBER PREFORM AND INCLUDING A RING FOR TRAPPING AND DIFFUSING LIGHT RADIATION
展开▼
机译:用于制造光纤预制棒并包括用于捕获和漫射光辐射的环的装置
展开▼
页面导航
摘要
著录项
相似文献
摘要
The invention relates to apparatus for manufacturing an optical fiber preform from a tube of vitreous material, the apparatus comprising: ;means for holding said tube during manufacture of said preform; and ;heater means supplying said tube with the heat energy required for manufacturing said preform. ;According to the invention, diffuser means are disposed around at least one of the ends of said tube to trap and diffuse light radiation generated in said tube by said heater means. The invention also applies to apparatus for drawing an optical fiber from a preform.
展开▼