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    Long wavelength, pure silica core single mode fiber and method of forming the same
    33.
    发明授权
    Long wavelength, pure silica core single mode fiber and method of forming the same 有权
    长波长，纯硅芯单模光纤及其形成方法

    公开(公告)号：US06947650B1

    公开(公告)日：2005-09-20

    申请号：US10840130

    申请日：2004-05-06

    Applicant: Daniel Scott Homa

    Inventor： Daniel Scott Homa

    IPC: C03B37/018 ,  G02B6/00 ,  G02B6/02 ,  G02B6/16

    CPC classification number: C03C13/04 ,  C03B37/01807 ,  C03B2201/02 ,  C03B2201/12 ,  C03B2201/14 ,  C03B2201/28 ,  C03B2203/24 ,  G02B6/02

    Abstract: An optical fiber suitable to support single mode optical transmission at longer wavelengths (e.g., 1550 nm) is formed to comprise a pure silica core region and a “down doped” cladding layer. The core region is defined as having a diameter d and the cladding layer is defined has having an outer diameter D. In accordance with the present invention, single mode propagation will be supported when D/d>8.5, and is preferably in the range of 9–10.

    Abstract translation: 形成适合于支持较长波长（例如1550nm）的单模光传输的光纤，以包括纯二氧化硅芯区域和“下掺杂”包覆层。 芯区域被定义为具有直径d，并且包层具有外径D.根据本发明，当D / d> 8.5时，将支持单模传播，并且优选在 9-10。

    Method of making an optical fiber
    38.
    发明申请
    Method of making an optical fiber 有权
    制造光纤的方法

    公开(公告)号：US20070266738A1

    公开(公告)日：2007-11-22

    申请号：US11437382

    申请日：2006-05-19

    Applicant: Michael Thomas Gallagher ,  Ming-Jun Li ,  Joseph Edward McCarthy ,  Ji Wang ,  Luis Alberto Zenteno

    Inventor： Michael Thomas Gallagher ,  Ming-Jun Li ,  Joseph Edward McCarthy ,  Ji Wang ,  Luis Alberto Zenteno

    IPC: C03B37/022 ,  C03B37/15 ,  C03B37/027

    CPC classification number: C03B37/01217 ,  C03B37/01211 ,  C03B2201/10 ,  C03B2201/14 ,  C03B2201/31 ,  C03B2201/34 ,  C03B2201/36 ,  C03B2203/12 ,  C03B2203/14 ,  C03B2203/31

    Abstract: According to one embodiment a method of making optical fibers comprises: (i) manufacturing a core cane; (ii) situating a plurality of microstructures selected from rods, air filled tubes and glass filed tubes and placing said microstructures adjacent to the core cane, said microstructures forming no more than 3 layers; (iii) placing the core cane with said adjacent microstructures inside a holding clad tube; and (iv) placing interstitial cladding rods inside the holding (clad) tube, thereby forming an assembly comprising a tube containing a core cane, a plurality of microstructures and interstitial cladding rods. The assembly is then drawn into a microstructured cane and an optical fiber is drawn from the microstructured cane. According to several embodiments, the method of making an optical fiber includes providing at least one air hole and at least one stress rod adjacent to the core.

    Abstract translation: 根据一个实施例，制造光纤的方法包括：（i）制造芯棒; （ii）将选自杆，充气管和玻璃管的多个微结构放置在一起，并将所述微结构放置在与所述芯棒相邻的位置，所述微观结构不超过3层; （iii）将具有所述相邻微结构的芯棒放置在保持包层管内; 以及（iv）将间隙包层杆放置在保持（包覆）管内，由此形成包括含有芯棒，多个微结构和间隙包层棒的管的组件。 然后将组件拉入微结构的拐杖中，并且从微结构的拐杖中拉出光纤。 根据若干实施例，制造光纤的方法包括提供至少一个气孔和与芯相邻的至少一个应力棒。

    Method of making optical fiber having depressed index core region
    40.
    发明申请
    Method of making optical fiber having depressed index core region 审中-公开
    具有凹陷指数核心区域的光纤的制造方法

    公开(公告)号：US20020134113A1

    公开(公告)日：2002-09-26

    申请号：US10150562

    申请日：2002-05-17

    Inventor： George F. Berkey

    IPC: C03B037/027

    CPC classification number: G02B6/03627 ,  C03B37/01211 ,  C03B37/01245 ,  C03B37/01248 ,  C03B37/01453 ,  C03B37/01473 ,  C03B37/01486 ,  C03B37/01493 ,  C03B37/01869 ,  C03B37/01884 ,  C03B2201/10 ,  C03B2201/12 ,  C03B2201/14 ,  C03B2201/31 ,  C03B2203/22 ,  C03B2203/36 ,  G02B6/02261 ,  G02B6/0281 ,  G02B6/03644

    Abstract: Disclosed is a method of making an optical fiber preform having at least one annular region of depressed refractive index. A tube of silica doped with fluorine and/or boron is overclad with silica soot. A core rod is inserted into the overclad tube and the resultant assembly is heated while chlorine flows between the tube and the core rod to clean the adjacent surfaces. When the soot sinters, the tube collapses onto and fuses to the rod. The resultant tubular structure is formed into an optical fiber which exhibits low attenuation as a result of the low seed count at the interface between the inner core and the region that is doped with fluorine and/or boron.

    Abstract translation: 公开了制造具有至少一个折射率低的环形区域的光纤预制件的方法。 掺有氟和/或硼的二氧化硅管用二氧化硅烟灰包覆。 将芯棒插入外包层管中，并且所得组件被加热，同时氯在管和芯棒之间流动以清洁相邻表面。 当烟灰烧结时，管塌陷并熔化到杆上。 所得到的管状结构形成为由于在内芯和掺杂有氟和/或硼的区域之间的界面处的低种子计数而显示出低衰减的光纤。

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