Creep-resistant optical fiber attachment
    8.
    发明授权
    Creep-resistant optical fiber attachment 失效
    抗蠕变光纤附件

    公开(公告)号:US06317555B1

    公开(公告)日:2001-11-13

    申请号:US09073701

    申请日:1998-05-06

    IPC分类号: G02B602

    摘要: A creep-resistant optical fiber attachment includes an optical fiber 10, having a cladding 12 and a core 14, having a variation region 16 (expanded or recessed) of an outer dimension on of the cladding and a structure, such as a ferrule 30, disposed against least a portion of the variation region 16. The fiber 10 is held in tension against the ferrule and the ferrule 30 has a size and shape that mechanically locks the ferrule 30 to the variation 16, thereby holding the fiber 10 in tension against the ferrule 30 with minimal relative movement (or creep) in at least one axail direction between the fiber 10 and the ferrule 30. The ferrule 30 may be attached to or part of a larger structure, such as a housing. The variation 16 and the ferrule 30 may have various different shapes and sizes. There may also be a buffer layer 18 between the cladding 12 and the ferrule 30 to protect the fiber 10 and/or to help secure the ferrule 30 to the fiber 10 to minimize creep.

    摘要翻译: 抗蠕变光纤附件包括具有包层12和芯14的光纤10,该包层12具有包层外部尺寸的变化区域16(扩展或凹陷)和诸如套圈30的结构, 设置在可变区域16的至少一部分上。纤维10被保持紧固在套圈上,并且套圈30具有将套圈30机械地锁定到变型16上的尺寸和形状,从而将纤维10保持紧固 套管30在纤维10和套管30之间的至少一个轴向方向上具有最小的相对运动(或蠕变)。套圈30可以附接到诸如壳体的较大结构的一部分。 变型16和套圈30可以具有各种不同的形状和尺寸。 在包层12和套管30之间还可以存在缓冲层18,以保护纤维10和/或有助于将套圈30固定到纤维10上以使蠕变最小化。

    Optical sensor device having creep-resistant optical fiber attachments
    9.
    发明授权
    Optical sensor device having creep-resistant optical fiber attachments 有权
    具有抗蠕变光纤附件的光学传感器装置

    公开(公告)号:US06768825B2

    公开(公告)日:2004-07-27

    申请号:US09873978

    申请日:2001-06-01

    IPC分类号: G02B600

    摘要: A method and device for pressure sensing using an optical fiber having a core, a cladding and a Bragg grating imparted in the core for at least partially reflecting an optical signal at a characteristic wavelength. The cladding has two variation regions located on opposite sides of the Bragg grating to allow attachment mechanisms to be disposed against the optical fiber. The attachment mechanisms are mounted to a pressure sensitive structure so as to allow the characteristic wavelength to change according to pressure in an environment. In particular, the variation region has a diameter different from the cladding diameter, and the attachment mechanism comprises a ferrule including a front portion having a profile substantially corresponding to at least a portion of the diameter of the variation region and a butting mechanism which holds the ferrule against the optical fiber.

    摘要翻译: 一种用于使用光纤的压力感测的方法和装置,所述光纤具有在芯中赋予的芯,包层和布拉格光栅,用于至少部分地反射特征波长的光信号。 包层具有位于布拉格光栅的相对侧上的两个变化区域,以允许将附着机构设置在光纤上。 附接机构安装在压敏结构上,以使特征波长根据环境中的压力而变化。 特别地,变化区域具有与包层直径不同的直径,并且附接机构包括套圈,该套圈包括具有基本上对应于变化区域的直径的至少一部分的轮廓的前部,以及保持 针对光纤的套圈。

    OPTICAL WAVEGUIDE FEEDTHROUGH ASSEMBLY
    10.
    发明申请
    OPTICAL WAVEGUIDE FEEDTHROUGH ASSEMBLY 有权
    光波导通过组装

    公开(公告)号:US20120087629A1

    公开(公告)日:2012-04-12

    申请号:US13270903

    申请日:2011-10-11

    IPC分类号: G02B6/44

    摘要: An optical fiber feedthrough assembly includes a glass plug disposed in a recess of a feedthrough housing. The glass plug may define a large-diameter, cane-based, waveguide sealed within the recess in the housing and providing optical communication through the housing. Sealing occurs with respect to the housing at or around the glass plug of an optical waveguide element passing through the housing by braze sealing to the glass plug and/or embedding the glass plug in a polymer bonded with the plug to form a molded body that is sealed in the housing by, for example, compression mounting of the molded body or providing a sealing element around the molded body.

    摘要翻译: 光纤馈通组件包括设置在馈通壳体的凹部中的玻璃插头。 玻璃塞可以限定一个大直径的基于甘蔗的波导,该波导密封在壳体的凹槽内并提供通过壳体的光学连通。 相对于穿过壳体的光波导元件的玻璃塞或其周围的壳体,通过钎焊密封玻璃塞和/或将玻璃塞嵌入到与插塞接合的聚合物中而形成密封,以形成模制体, 通过例如压缩安装模制体或在模制体周围提供密封元件来密封在壳体中。