Fiber-optic rotation sensor
    7.
    发明授权
    Fiber-optic rotation sensor 失效
    光纤旋转传感器

    公开(公告)号:US4697876A

    公开(公告)日:1987-10-06

    申请号:US793711

    申请日:1985-10-29

    申请人: Richard B. Dyott

    发明人: Richard B. Dyott

    摘要: A fiber-optic rotation sensor comprises a coil of polarization-holding, single-mode optical fiber (25) having a core (26) with a non-circular cross-section defining two transverse orthogonal axes, the outer surface (28) of said fiber having a non-circular cross-section with a predetermined geometric relationship to said orthogonal transverse axes, a laser source (30) coupled to one end of said fiber (25) for supplying said fiber (25) with an optical signal having a fixed polarization plane, said non-circular outer surface of said fiber (25) forming a reference surface (29) for precisely aligning one of said transverse orthogonal axes of said fiber core (26) with said fixed polarization plane of the optical signal from said laser source (30).

    摘要翻译: 一种光纤旋转传感器包括具有限定两个横向正交轴的非圆形横截面的芯(26)的偏振保持单模光纤(25)的线圈,所述光纤旋转传感器的外表面(28) 具有与所述正交横轴具有预定几何关系的非圆形横截面的光纤;耦合到所述光纤(25)的一端的激光源(30),用于向所述光纤(25)提供具有固定 所述光纤(25)的所述非圆形外表面形成用于将所述光纤芯(26)的所述横向正交轴之一与所述激光器的所述光信号的所述固定极化平面精确对准的参考表面(29) 来源(30)。

    Method for forming a non-symmetrical optical fiber
    8.
    发明授权
    Method for forming a non-symmetrical optical fiber 失效
    形成非对称光纤的方法

    公开(公告)号:US4549891A

    公开(公告)日:1985-10-29

    申请号:US582914

    申请日:1984-02-23

    摘要: A method of preparing an optical fiber includes the steps of applying a first cladding layer of a sinterable, glasseous particulate matter providing a selected index of refraction to a support surface, forming at least one longitudinally-extending groove in the layer prior to sintering, applying a deposit of glasseous particulate matter in said groove to ultimately define a core stripe having an index of refraction greater than that of the previously applied layer, applying a covering layer of glasseous particulate matter, sintering the various layers and the core strip to provide an optical fiber preform, and drawing the preform to provide an optical fiber having a rotationally non-symmetric characteristics with a core of higher index of refraction than the surrounding cladding.

    摘要翻译: 制备光纤的方法包括以下步骤:将提供选择的折射率的可烧结的糖化颗粒物质的第一包层施加到支撑表面,在烧结之前在该层中形成至少一个纵向延伸的凹槽,施加 在所述凹槽中沉淀出粗粒状颗粒物质,以最终限定具有大于先前施加层的折射率的芯条,施加一层包覆层的粒状颗粒物质,烧结各层和芯条以提供光学 纤维预成型件,并且拉伸预成型件以提供具有旋转非对称特性的光纤与具有比周围包层更高的折射率的纤芯。