Telecommunication cable equipped with microstructured optical fibres
    21.
    发明授权
    Telecommunication cable equipped with microstructured optical fibres 有权
    配有微结构光纤的电信电缆

    公开(公告)号:US08265437B2

    公开(公告)日:2012-09-11

    申请号:US12226901

    申请日:2008-09-19

    IPC分类号: G02B6/44

    摘要: Telecommunication cable comprising at least one microstructured optical fiber comprising a core region and a cladding region surrounding the core region, the cladding region comprising an annular void-containing region comprised of randomly arranged voids, the core region including doped silica to provide a positive refractive index relative to pure silica; and at least one protecting layer provided around said optical fiber, the protecting layer being made of a polymeric material having a low ultimate elongation.

    摘要翻译: 电信电缆包括至少一个微结构化光纤,其包括芯区域和围绕芯区域的包层区域,所述包层区域包括由随机排列的空隙组成的环形空隙容纳区域,所述芯区域包括掺杂二氧化硅以提供正折射率 相对于纯二氧化硅; 以及设置在所述光纤周围的至少一个保护层,所述保护层由具有低极限伸长率的聚合材料制成。

    Process for manufacturing a microstructured optical fibre and method and system for on-line control of a microstructured optical fibre
    22.
    发明授权
    Process for manufacturing a microstructured optical fibre and method and system for on-line control of a microstructured optical fibre 有权
    微结构光纤的制造方法以及微结构光纤的在线控制的方法和系统

    公开(公告)号:US08089619B2

    公开(公告)日:2012-01-03

    申请号:US12226908

    申请日:2008-09-19

    IPC分类号: G01N21/00

    摘要: A manufacturing process of a microstructured optical fiber including a void-containing region, includes the steps of: drawing a microstructured optical fiber along a longitudinal direction from a heated preform, wherein the optical fiber is continuously advanced along the longitudinal direction; directing a radiation beam at a longitudinal position in the longitudinal direction of the optical fiber so as to produce an interference pattern; detecting the interference pattern and producing at least one electrical detection signal corresponding to the interference pattern and including a plurality of signal fringe cycles; feeding the first detection signal into a first counter circuit; determining a first number of interference fringe increments in the plurality of signal wave fringe cycles of the at least one detection signal by using the first counter circuit; determining the outer diameter of the optical fiber, and controlling the microstructure of the optical fiber during advancement of the optical fiber. The step of controlling includes at least one step selected from: (a) controlling the first number of interference fringe increments within a reference number range of reference numbers of interference fringe increments, and (b) calculating a microstructure length value.

    摘要翻译: 包括含空隙区域的微结构光纤的制造方法包括以下步骤:从加热的预成型件沿长度方向拉伸微结构化的光纤,其中,所述光纤沿长度方向连续前进; 引导辐射束在光纤的纵向方向上的纵向位置,以产生干涉图案; 检测所述干扰图案并产生对应于所述干涉图案的至少一个电检测信号,并且包括多个信号条纹周期; 将第一检测信号馈送到第一计数器电路; 通过使用所述第一计数器电路确定所述至少一个检测信号的所述多个信号波缘周期中的第一数目的干涉条纹增量; 确定光纤的外径,并且在光纤的前进过程中控制光纤的微结构。 控制步骤包括从以下各项中选择的至少一个步骤:(a)控制干涉条纹增量的参考数目的参考数字范围内的干涉条纹增量的第一数量,以及(b)计算微结构长度值。

    Telecommunication Cable Equipped with Microstructured Optical Fibres
    23.
    发明申请
    Telecommunication Cable Equipped with Microstructured Optical Fibres 有权
    配有微结构光纤的电信电缆

    公开(公告)号:US20110170836A1

    公开(公告)日:2011-07-14

    申请号:US12226901

    申请日:2008-09-19

    IPC分类号: G02B6/44 G02B6/02

    摘要: Telecommunication cable comprising at least one microstructured optical fibre comprising a core region and a cladding region surrounding the core region, the cladding region comprising an annular void-containing region comprised of randomly arranged voids, the core region including doped silica to provide a positive refractive index relative to pure silica; and at least one protecting layer provided around said optical fibre, the protecting layer being made of a polymeric material having a low ultimate elongation.

    摘要翻译: 电信电缆包括至少一个微结构化光纤,其包括芯区域和围绕芯区域的包层区域,所述包层区域包括由随机排列的空隙组成的环形空隙容纳区域,所述芯区域包括掺杂二氧化硅以提供正折射率 相对于纯二氧化硅; 以及设置在所述光纤周围的至少一个保护层,所述保护层由具有低极限伸长率的聚合材料制成。

    Method for producing an optical fiber having low polarization mode dispersion
    24.
    发明申请
    Method for producing an optical fiber having low polarization mode dispersion 有权
    具有低偏振模色散的光纤的制造方法

    公开(公告)号:US20060230791A1

    公开(公告)日:2006-10-19

    申请号:US10541031

    申请日:2002-12-30

    IPC分类号: C03B37/07 G01N21/00

    摘要: A method for producing an optical fiber having low polarization mode dispersion, by the steps of a) providing an optical fiber perform of glass material; b) heating the glass material of an end portion of the optical fiber perform; c) drawing the heated glass material at a drawing speed V to form an optical fiber, the drawn glass material having a viscous zone; and d) applying to the optical fiber a substantially sinusoidal spin, which is transmitted to the viscous zone, the spin function frequency ν , the viscous zone length L and the drawing speed V being such that both a torsion and at least a 50% detorsion are applied to the viscous zone.

    摘要翻译: 一种通过以下步骤制造具有低偏振模色散的光纤的方法:a)提供玻璃材料的光纤性能; b)加热光纤端部的玻璃材料; c)以拉伸速度V拉制加热的玻璃材料以形成光纤,拉制的玻璃材料具有粘性区域; 以及d)向光纤施加基本上正弦的旋转,其传递到粘性区,旋转函数频率nu,粘性区长度L和拉伸速度V使得扭转和至少50% 被施加到粘性区域。

    Method for producing a coated optical fiber with reduced polarization mode dispersion
    25.
    发明授权
    Method for producing a coated optical fiber with reduced polarization mode dispersion 有权
    降低偏振模色散的涂覆光纤的制造方法

    公开(公告)号:US06327876B1

    公开(公告)日:2001-12-11

    申请号:US09636051

    申请日:2000-08-10

    IPC分类号: C03C2502

    摘要: An apparatus and method for forming a optical fiber (102) which includes a furnace (104) for softening an optical fiber blank (106); a tractor (114) for drawing the optical fiber (102) from the softened optical fiber blank (106); and a first applicator (110) for applying a coating of a first coating material to the optical fiber (102), the first applicator having a rotatable die.

    摘要翻译: 一种用于形成光纤(102)的装置和方法,包括用于软化光纤坯料(106)的炉(104); 用于从软化的光纤坯料(106)拉出光纤(102)的拖拉机(114); 以及用于将第一涂层材料的涂层施加到所述光纤(102)的第一施加器(110),所述第一施加器具有可旋转的模具。