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1. 发明申请

US20090181842A1 POLARIZATION-MAINTAINING OPTICAL FIBER AND METHOD FOR MANUFACTURING THE SAME 审中-公开
标题翻译：极化保持光纤及其制造方法
公开(公告)号：US20090181842A1
公开(公告)日：2009-07-16
申请号：US12350571
申请日：2009-01-08
申请人： Antoine Proulx , Steeve Morency , Claude Pare
发明人： Antoine Proulx , Steeve Morency , Claude Pare
IPC分类号： C03C13/04 , C03B37/028
CPC分类号： C03B37/01217 , C03B2203/31 , G02B6/024
摘要： A method for manufacturing a polarization-maintaining optical fiber is provided. The method includes (a) making a fiber preform by providing in an over-cladding tube: a core rod having an inner core and a cladding surrounding the inner core; at least one stress-applying part (SAP) disposed adjacent to the core rod along an outer periphery of the cladding thereof and having a coefficient of thermal expansion different from that of the cladding; inner filler rods arranged along the outer periphery of the core rod at positions where the SAP is not disposed and having a coefficient of thermal expansion different from that of the SAP; and a plurality of outer filler rods arranged adjacent the over-cladding tube between the over-cladding tube and inner filler rods, SAP and core rod, and consisting of a same material as the over-cladding tube; and (b) drawing the fiber preform to obtain the optical fiber.
摘要翻译：提供一种制造偏振保持光纤的方法。该方法包括：（a）通过在外包层管中设置纤维预成型件：具有内芯和围绕内芯的包层的芯棒; 至少一个应力施加部分（SAP），沿其包层的外周设置在所述芯棒附近，并且具有与所述包层不同的热膨胀系数; 内填料杆沿着芯棒的外周排列在SAP未被设置并且具有不同于SAP的热膨胀系数的位置; 以及多个外填充棒，其布置在外包层管和内填充棒SAP和芯棒之间的外包层管附近，并由与外包层管相同的材料构成; 和（b）拉伸纤维预制件以获得光纤。

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