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1.发明授权Method for manufacturing an optical fibre preform as well as the preform and optical fibre obtainable by the process 有权制造光纤的预制件的方法，并获得由所述预成型件的过程和光纤
公开(公告)号：EP1388525B1
公开(公告)日：2012-12-05
申请号：EP03090239.9
申请日：2003-07-30
发明人： Otosaka, Tetsuya Shin-Etsu Chemical Co., Ltd. , Inoue, Dai Shin-Etsu Chemical Co., Ltd. , Oyamada, Hiroshi Shin-Etsu Chemical Co., Ltd. , Abe, Jun Shin-Etsu Chemical Co., Ltd. , Hirasawa, Hideo Shin-Etsu Chemical Co., Ltd.
IPC分类号： C03B37/014 , C03C13/04 , G02B6/02 , G02B6/036 , C03B37/012
CPC分类号： C03C13/045 , C03B37/01211 , C03B37/01291 , C03B37/01446 , C03B2201/12 , C03B2201/20 , C03B2201/28 , C03B2201/31 , C03B2203/22 , C03B2203/23 , G02B6/03694 , Y02P40/57
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2.发明公开Method for manufacturing an optical fibre preform as well as the preform and optical fibre obtainable by the process 有权制造光纤的预制件的方法，并获得由所述预成型件的过程和光纤
公开(公告)号：EP1388525A2
公开(公告)日：2004-02-11
申请号：EP03090239.9
申请日：2003-07-30
发明人： Otosaka, Tetsuya Shin-Etsu Chemical Co., Ltd. , Inoue, Dai Shin-Etsu Chemical Co., Ltd. , Oyamada, Hiroshi Shin-Etsu Chemical Co., Ltd. , Abe, Jun Shin-Etsu Chemical Co., Ltd. , Hirasawa, Hideo Shin-Etsu Chemical Co., Ltd.
IPC分类号： C03B37/012 , C03B37/014 , C03C13/04 , G02B6/16
CPC分类号： C03C13/045 , C03B37/01211 , C03B37/01291 , C03B37/01446 , C03B2201/12 , C03B2201/20 , C03B2201/28 , C03B2201/31 , C03B2203/22 , C03B2203/23 , G02B6/03694 , Y02P40/57
摘要： To suppress an OH peak in an optical fibre at a wavelength of about 1385 nm, irrespective of how the fibre has been drawn from a preform and even if the fibre is exposed to hydrogen, a preform structure is proposed comprising at least two cladding layers, the outer layer having a viscosity greater than the inner cladding layer. The outer cladding may be formed from silica glass containing some crystalline silica (natural or synthesised). The inner clad may be doped with Cl, Ge, F, P and the outer clad of undoped or less doped silica glass. A method of manufacturing the preform comprises unifying a tube containing the higher viscocity outer clad material and a rod comprising at least the core and inner clad forming material. The outer clad may also be provided by flame hydrolysis deposition on the rod. The optical fibre drawn from the preform is also claimed.
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3.发明公开Method for manufacturing an optical fibre preform as well as the preform and optical fibre obtainable by the process 有权制造光纤的预制件的方法，并获得由所述预成型件的过程和光纤
公开(公告)号：EP1388525A3
公开(公告)日：2006-03-29
申请号：EP03090239.9
申请日：2003-07-30
发明人： Otosaka, Tetsuya Shin-Etsu Chemical Co., Ltd. , Inoue, Dai Shin-Etsu Chemical Co., Ltd. , Oyamada, Hiroshi Shin-Etsu Chemical Co., Ltd. , Abe, Jun Shin-Etsu Chemical Co., Ltd. , Hirasawa, Hideo Shin-Etsu Chemical Co., Ltd.
IPC分类号： C03B37/012 , C03B37/014 , C03C13/04 , G02B6/16
CPC分类号： C03C13/045 , C03B37/01211 , C03B37/01291 , C03B37/01446 , C03B2201/12 , C03B2201/20 , C03B2201/28 , C03B2201/31 , C03B2203/22 , C03B2203/23 , G02B6/03694 , Y02P40/57
摘要： To suppress an OH peak in an optical fibre at a wavelength of about 1385 nm, irrespective of how the fibre has been drawn from a preform and even if the fibre is exposed to hydrogen, a preform structure is proposed comprising at least two cladding layers, the outer layer having a viscosity greater than the inner cladding layer. The outer cladding may be formed from silica glass containing some crystalline silica (natural or synthesised). The inner clad may be doped with Cl, Ge, F, P and the outer clad of undoped or less doped silica glass. A method of manufacturing the preform comprises unifying a tube containing the higher viscocity outer clad material and a rod comprising at least the core and inner clad forming material. The outer clad may also be provided by flame hydrolysis deposition on the rod. The optical fibre drawn from the preform is also claimed.
摘要翻译： 到氢抑制OH峰到光纤在约1385nm波长，不论怎样的纤维已经从而即使在纤维暴露于预制件拉制，一个预成形结构提出一种包括至少两个包覆层， 具有粘度大于内包层大的外层。 外部包层可以由二氧化硅玻璃包含一些结晶二氧化硅（天然的或合成的）来形成。 内包层可以被Cl，锗，F，P和未掺杂或掺杂的更少的石英玻璃的外侧包层进行掺杂。 预成型体的制造方法包括统一的管将含有较高黏度外包覆材料和杆，其至少包括芯和内包层形成材料。 外侧包层因此可以通过在杆火焰水解沉积来提供。 所述光纤从所述预制件拉制是如此要求保护的。
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