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1. 发明授权

US4678273A High power optical fiber with improved covering 失效
标题翻译：大功率光纤具有改进的覆盖
公开(公告)号：US4678273A
公开(公告)日：1987-07-07
申请号：US685783
申请日：1984-12-24
申请人： Kennet Vilhelmsson
发明人： Kennet Vilhelmsson
IPC分类号： C03C25/10 , G02B6/02 , G02B6/44
CPC分类号： G02B6/02 , G02B6/443
摘要： An optical fiber for transmitting high optical power and of the type having a central core portion adapted to conduct radiation, a cladding layer surrounding the core and at least one covering surrounding the cladding adapted to give an improved mechanical stability to the fiber and to damp scattered radiation wherein, in order to prevent the radiation level in any volume part of the covering from exceeding the limit at which the material of the covering is damaged, the fiber is, at least at its entrance side over a part of its length, provided with radiation resistant and radiation absorbing materials comprising a radiation resistant transmitting material with a real refractive index exceeding or close to that of the cladding, and one, or several, additional material layers of which the outermost are of heat-conducting materials, the radiation being absorbed in the outermost heat-conducting layer(s).
摘要翻译：一种用于传输高光功率并且具有适于传导辐射的中心芯部分的类型的光纤，围绕芯的包覆层和围绕该包层的至少一个覆盖层，其适于给予光纤更好的机械稳定性并且使散射辐射，其中为了防止覆盖物的任何体积部分中的辐射水平超过覆盖物材料损坏的极限，纤维至少在其长度的一部分的入口侧设置有辐射阻抗和辐射吸收材料包括具有超过或接近包层的实际折射率的耐辐射透射材料，以及最外面是导热材料的一个或几个附加材料层，辐射被吸收在最外面的导热层中。

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