首页>
外国专利>
PURIFICATION OF NATURAL OR SYNTHETIC SILICA AND DEPOSITION OF PURIFIED NATURAL OR SYNTHETIC SILICA ON OPTICAL FIBER REFORM
PURIFICATION OF NATURAL OR SYNTHETIC SILICA AND DEPOSITION OF PURIFIED NATURAL OR SYNTHETIC SILICA ON OPTICAL FIBER REFORM
展开▼
机译:天然或合成二氧化硅的提纯和光学纤维改质上纯天然或合成二氧化硅的沉积
展开▼
页面导航
摘要
著录项
相似文献
摘要
PROBLEM TO BE SOLVED: To improve the qualities of an optical fiber recharged with a natural or synthetic silica at a low cost. ;SOLUTION: The deposition of a natural or synthetic silica involves a preform 1 rotating in front of a plasma torch 3 and a supply tube 9 for supplying a natural or synthetic silica particle 11 to a plasma. The supply tube 9 supplies a fluorine or chlorine compound, preferably the fluorine compound mixed with a carrier gas 15 to the plasma. The plasma torch 3 is reciprocated approximately in parallel with the longer direction L of the preform 1. An alkali or alkaline earth metal element contained in the natural or synthetic silica particle is reacted with fluorine or chlorine in the fluorine or chlorine compound.;COPYRIGHT: (C)2000,JPO
展开▼