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    Variable optical filter unit and variable gain equalizing system
    2.
    发明公开
    Variable optical filter unit and variable gain equalizing system 审中-公开
    变量选择过滤器和系统变量Verstärkungsentzerrung

    公开(公告)号：EP1239319A1

    公开(公告)日：2002-09-11

    申请号：EP02250101.9

    申请日：2002-01-08

    申请人： THE FURUKAWA ELECTRIC CO., LTD.

    发明人： Ikeda, Kazuhiro, The Furukawa Electric Co., Ltd. ,  Matsuura, Hiroshi, The Furukawa Electric Co., Ltd.

    IPC分类号： G02F1/09 ,  H04B10/17

    CPC分类号： H04B10/25073 ,  G02F1/09

    摘要： Between a lens of a collimator and a retro-reflector as a total reflecting element, a prism, a polarizer, a Faraday rotator and a linear retarder are arranged in the order. The core/clad section serving as an input optical fiber of the collimator has its optical axis coincident with an optical axis of the lens. When the light exited the collimator reaches the retro-reflector, the outgoing light reflects deviated by a spacing Y, the returning light of which is refracted by the prism and incident on the core/clad serving as an output optical fiber of the collimator.

    摘要翻译： 在准直器的透镜和作为全反射元件的回射反射器之间，依次布置棱镜，偏振器，法拉第旋转器和线性延迟器。 用作准直器的输入光纤的芯/包层部分的光轴与透镜的光轴重合。 当退出准直器的光到达后向反射器时，出射光反射偏离间隔Y，返回光被棱镜折射并入射到作为准直器的输出光纤的芯/包层上。

    Optical multiplexing module and method of correcting optical axis thereof
    4.
    发明公开
    Optical multiplexing module and method of correcting optical axis thereof 有权
    Optisches Multiplexer-Modul und Methode der Korrektur der optischen Achse des Moduls

    公开(公告)号：EP1182476A1

    公开(公告)日：2002-02-27

    申请号：EP01119834.8

    申请日：2001-08-16

    申请人： The Furukawa Electric Co., Ltd.

    发明人： Watanabe, Yasuhiro, The Furukawa Electric Co.,Ltd. ,  Abe, Satoru, c/o The Furukawa Electric Co.,Ltd. ,  Matsuura, Hiroshi, The Furukawa Electric Co., Ltd.

    IPC分类号： G02B6/32 ,  G02B6/34 ,  B23K26/20

    CPC分类号： G02B6/2706 ,  G02B6/2773 ,  G02B6/32 ,  G02B6/4237 ,  G02B6/4248

    摘要： An optical multiplexing module 10 is disclosed, which is easier in adjustment of an optical axis, has an optical multiplexing element 34 and a prism 32 to change optical paths of input light. The module also has one or more input collimators 14, 16 at the input-side end thereof and a single output collimator 18 at the output-side end thereof. The optical axes of the collimators 14, 16, 18 are adjustable by optical axis adjusting means.
    Further, according to a method of correcting the optical axes, after fabricating the collimators 14, 16, 18 into the module 10, with an optical loss between optical parts monitored, an external force is applied in turn to a plurality of arbitrary locations around a joint portion of one optical part. This application allows a hit location 70 showing a maximum reduction in optical loss to be found out. Radiating a laser beam onto an opposite-side location 80 on the joint portion to the hit location 70 leads to an easier correction of displacements of the optical axis with ease.

    摘要翻译： 公开了一种光学调制方法更容易的光复用模块10，具有用于改变输入光的光路的光复用元件34和棱镜32。 该模块在其输入侧端部还具有一个或多个输入准直器14,16，以及在其输出侧端部的单个输出准直器18。 准直器14,16,18的光轴可通过光轴调节装置调节。 此外，根据校正光轴的方法，在将准直器14,16,18制造到模块10中之后，在被监视的光学部件之间具有光学损耗的情况下，外力依次施加到围绕着光学部件的多个任意位置 一个光学部件的接合部分。 该应用允许找出出现光损耗最大减少的命中位置70。 将激光束辐射到关节部分上的相对侧位置80到命中位置70，从而容易地校正光轴的位移。