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    METHODS AND APPARATUS FOR PRODUCING OPTICAL FIBER
    11.
    发明申请
    METHODS AND APPARATUS FOR PRODUCING OPTICAL FIBER 审中-公开
    生产光纤的方法和装置

    公开(公告)号：WO00027773A1

    公开(公告)日：2000-05-18

    申请号：PCT/US1999/019139

    申请日：1999-08-24

    IPC: G02B6/00 ,  C03B37/012 ,  C03B37/026 ,  C03B37/027 ,  G02B6/02 ,  C03C37/027 ,  G02B6/22

    CPC classification number: C03B37/02709 ,  C03B37/01211 ,  C03B37/01217 ,  C03B37/0122 ,  C03B37/026 ,  C03B37/027 ,  C03B37/02736 ,  C03B37/02754 ,  C03B37/0279 ,  C03B2201/31 ,  C03B2201/34 ,  C03B2201/36 ,  C03B2201/40 ,  C03B2201/54 ,  C03B2201/58 ,  C03B2203/42 ,  G02B6/02

    Abstract: Filament in tube and stick in tube processes of forming optical fiber are described. A solid or monolithic core feedstock (110) is disposed in a hollow cladding structure (112) to form a loosely filled cladding structure. The filled cladding structure is heated to a draw temperature approximately equal to the softening temperature of the cladding structure. The feedstock (110) melts and fills the heated portion of the cladding structure forming a filled core which can then be drawn into optical fiber or to an optical can which can then be further overclad consolidated and drawn into fiber. Feedstock (110) and cladding structures (112) having widely varying coefficients of expansion may be employed. The resulting fiber can be readily designed to be fused to existing installed fibers.

    Abstract translation: 描述了在成型光纤的管工艺中管和管中的灯丝。 将固体或整体式核原料（110）设置在空心包层结构（112）中以形成松散填充的包层结构。 将填充的包层结构加热到大约等于包层结构的软化温度的拉伸温度。 原料（110）熔化并填充形成填充芯的包层结构的加热部分，然后可以将其填充到光纤或光学罐中，然后可以进一步将其包覆固结并拉伸成纤维。 可以采用具有广泛变化的膨胀系数的原料（110）和包层结构（112）。 所得到的纤维可容易地被设计成与已经安装的纤维融合。

    ELLIPTICAL CORE FIBER WITH AXIALLY DECREASING ASPECT RATIO AND METHOD
    14.
    发明申请
    ELLIPTICAL CORE FIBER WITH AXIALLY DECREASING ASPECT RATIO AND METHOD 审中-公开
    具有轴向减速纵横比的ELLIPTICTIC CORE FIBER AND METHOD

    公开(公告)号：WO1997040408A2

    公开(公告)日：1997-10-30

    申请号：PCT/US1997006001

    申请日：1997-04-11

    Applicant: CORNING INCORPORATED ,  HAWK, Robert, M.

    Inventor： CORNING INCORPORATED

    IPC: G02B00/00

    CPC classification number: G02B6/03644 ,  C03B37/01211 ,  C03B37/01217 ,  C03B37/02709 ,  C03B37/02754 ,  C03B2203/18 ,  C03B2203/30 ,  C03B2203/31 ,  C03B2203/36 ,  C03B2205/08 ,  C03B2205/14 ,  G02B6/02247 ,  G02B6/105

    Abstract: A single-mode elliptical core optical fiber suitable for the transmission of solitons has a core aspect ratio that changes along the length of the fiber to provide a fiber dispersion that monotonically decreases along the fiber from one end thereof to the other. The fiber preform is drawn from a draw blank having a glass core surrounded by cladding glass and having apertures that are diametrically opposed with respect to the core. The cross-sectional area of the void space within the apertures varies with respect to the longitudinal distance along the apertures.

    Abstract translation: 适用于孤子传输的单模式椭圆芯光纤具有沿着光纤长度变化的核心长宽比，以提供沿着光纤从其一端到另一端单调减小的光纤色散。 纤维预成型件从具有由包层玻璃包围的玻璃芯的拉丝坯件拉出，并且具有相对于芯线径向相对的孔。 孔内的空隙空间的横截面面积相对于沿孔的纵向距离而变化。

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