-
公开(公告)号:US5320658A
公开(公告)日:1994-06-14
申请号:US921991
申请日:1992-08-03
IPC分类号: G02B6/00 , C03B37/027 , C03B37/029 , C03B37/023
CPC分类号: C03B37/02718 , C03B37/029 , C03B2205/56 , C03B2205/63 , Y02P40/57
摘要: There is provided a process of melt drawing an optical fiber from a preform therefor in which a heating furnace comprising a muffle tube inside thereof through which the optical fiber is passed is provided immediately below a melt drawing furnace to further draw the optical fiber while heated, and an interior of the muffle tube is kept in an atmosphere selected from the group consisting of an inert atmosphere, an atmosphere comprising oxygen gas and an atmosphere comprising hydrogen gas.
摘要翻译: 提供了一种从其预成型件熔融拉伸光纤的方法,其中在熔融拉拔炉的正下方设置包括其中通过光纤的马弗管的加热炉,以在加热下进一步拉伸光纤, 并且马弗管的内部保持在选自惰性气氛,包含氧气和包含氢气的气氛的气氛中的气氛中。