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41 条记录 (耗时 0.022 秒)

    Method of and apparatus for expanding mode field diameter of optical fiber
    4.
    发明授权
    Method of and apparatus for expanding mode field diameter of optical fiber 失效
    扩展光纤模场直径的方法和装置

    公开(公告)号：US07142771B2

    公开(公告)日：2006-11-28

    申请号：US10383751

    申请日：2003-03-10

    申请人： Eiichiro Yamada ,  Kazuhito Saito ,  Mitsuaki Tamura

    发明人： Eiichiro Yamada ,  Kazuhito Saito ,  Mitsuaki Tamura

    IPC分类号： G02B6/16 ,  G02B6/18

    CPC分类号： G02B6/2552

    摘要： A method of and an apparatus for expanding the mode field diameter of an optical fiber by heating a specified region of the optical fiber with a uniform or desired temperature distribution for forming a thermally-diffused expanded core (TEC). The mode field diameter of the optical fiber is expanded by heating an optical fiber 1 with a burner 11 so as to thermally diffuse the dopant forming the refractive-index profile. The burner 11 has a heating surface 11a in which a plurality of gas-issuing holes 12 are arranged such that a plurality of parallel rows each of which is composed of a plurality of gas-issuing holes 12 are parallel to the axis of the optical fiber 1.

    摘要翻译： 通过以均匀或期望的温度分布加热光纤的特定区域来形成热扩散的扩展芯（TEC），来扩展光纤的模场直径的方法和装置。 通过用燃烧器11加热光纤1来扩展光纤的模场直径，以使形成折射率分布的掺杂剂热扩散。 燃烧器11具有加热面11a，多个排气孔12配置成使多个平行列由多个排气孔12构成，平行于光的轴线 纤维1。

    Optical fiber array
    5.
    发明授权
    Optical fiber array 失效

    公开(公告)号：US07021842B2

    公开(公告)日：2006-04-04

    申请号：US10222795

    申请日：2002-08-19

    申请人： Eiichiro Yamada ,  Kazuhito Saito ,  Mitsuaki Tamura

    发明人： Eiichiro Yamada ,  Kazuhito Saito ,  Mitsuaki Tamura

    IPC分类号： G02B6/255 ,  G02B6/00

    CPC分类号： G02B6/3861 ,  G02B6/2558 ,  G02B6/30 ,  G02B6/36 ,  G02B6/3636 ,  G02B6/3652 ,  G02B6/3801 ,  G02B6/3838 ,  G02B6/3839 ,  G02B6/3846 ,  G02B6/3887 ,  G02B6/4204

    摘要： In an optical fiber array, an optical fiber, a bundle of optical fibers or an optical fiber ribbon is mounted on an array substrate with a V-groove or V-grooves. A bare fiber portion in which a fiber coating is removed is placed in the V-groove, pressed by a presser member 6 and bonded by adhesives. At the front end, the fiber(s) is/are accurately positioned to connect to optical components or PLCs. The bare fiber portion contains a spliced portion of the dissimilar optical fibers having different mode field diameters and a mode field converting portion. The spliced portion of the dissimilar optical fibers is mounted on the array substrate. A flexible protection member is provided in the fiber coating portion extending over a rear edge of the array substrate. The optical fiber is bonded onto the array substrate, employing three kinds of adhesives that are different in the Young's modulus after hardening and the viscosity before hardening.

    Optical switch and switching method
    7.
    发明授权
    Optical switch and switching method 失效
    光开关和开关方式

    公开(公告)号：US06002819A

    公开(公告)日：1999-12-14

    申请号：US975056

    申请日：1997-11-20

    申请人： Kazuhito Saito ,  Takeo Komiya ,  Mitsuaki Tamura ,  Kazumasa Ozawa ,  Kenichi Tomita ,  Naoki Nakao ,  Masato Kuroiwa

    发明人： Kazuhito Saito ,  Takeo Komiya ,  Mitsuaki Tamura ,  Kazumasa Ozawa ,  Kenichi Tomita ,  Naoki Nakao ,  Masato Kuroiwa

    IPC分类号： G02B6/35 ,  G02B6/38 ,  G02B6/26

    CPC分类号： G02B6/3508 ,  G02B6/3548 ,  G02B6/358 ,  G02B6/3588 ,  G02B6/382

    摘要： An optical switch 1 of the present invention comprises an optical fiber arraying member 21 for keeping a plurality of first optical fibers 20 juxtaposed with tip portions thereof being aligned, a movable arm 31, opposed to the optical fiber arraying member, for holding a tip portion of at least one second optical fiber 30, a driving mechanism 40 for driving this movable arm 31 to selectively optically coupling the second optical fiber 30 with an arbitrary first optical fiber 20, a supplying mechanism 60 for, when a first optical fiber 20 is optically coupled with the second optical fiber, dropping and charging an index matching agent to a gap between these optical fibers 20, 30, and drop controllers 67, 68 for controlling the supplying mechanism 60, wherein the index matching agent is dropped and charged into only the gap between the optical fibers, so that foreign matter produced in the driving mechanism 40 or the like is prevented from intruding into the coupling part between the optical fibers 20, 30, thus assuring stable optical characteristics.

    摘要翻译： 本发明的光开关1包括光纤排列构件21，用于保持多个第一光纤20并排，其顶端部分对准，与光纤排列构件相对的可动臂31，用于保持尖端部分 至少一个第二光纤30的驱动机构40，用于驱动该可动臂31以选择性地将第二光纤30与任意的第一光纤20光耦合的驱动机构40;当第一光纤20是光学的时，供应机构60 与第二光纤耦合，将折射率匹配剂滴入和充电到这些光纤20,30之间的间隙，以及用于控制供给机构60的液滴控制器67,68，其中，折射率匹配剂被丢弃并仅装入 光纤之间的间隙，从而防止在驱动机构40等中产生的异物侵入到opt之间的耦合部分 光纤20,30，从而确保稳定的光学特性。

    Optical fiber wiring switching apparatus
    8.
    发明授权
    Optical fiber wiring switching apparatus 失效
    光纤布线开关装置

    公开(公告)号：US5408549A

    公开(公告)日：1995-04-18

    申请号：US193853

    申请日：1994-02-09

    申请人： Mitsuaki Tamura ,  Kazuhito Saito ,  Toru Yamanishi ,  Hideo Kobayashi

    发明人： Mitsuaki Tamura ,  Kazuhito Saito ,  Toru Yamanishi ,  Hideo Kobayashi

    IPC分类号： G02B6/40 ,  G02B6/35 ,  G02B6/38 ,  G02B26/08 ,  G02B6/26 ,  G02B6/28

    CPC分类号： G02B6/3508 ,  G02B6/3801 ,  G02B6/3574 ,  G02B6/3582

    摘要： An optical fiber switching apparatus having a guide frame which is supported by an apparatus body. The guide frame has a guide groove. Disposed on the guide grooves is a movable moving member. The moving member can be moved by the apparatus along the guide groove. A slide terminal is connected by a support to the moving member. The support allows the slide terminal to approach the moving member and thereby causing the slide terminal to enter an unlocked position or to move away from the moving member and thereby causing the slide terminal to enter a locked position. The slide terminal support an end face of an optical fiber. The apparatus also includes a driving wire which has two end portions. The end portions are disposed through the moving member and are coupled to the slide terminal, thereby forming a loop in the driving wire. The apparatus can move the slide terminal by causing tension in the driving wire so as to cause the slide terminal to enter the unlocked position, and thereby allowing the moving member to-move along the guide groove by a longitudinal movement of the driving wire.

    摘要翻译： 一种具有由装置主体支撑的引导框架的光纤切换装置。 引导框架具有引导槽。 在导向槽上设置有可移动的移动构件。 移动构件可以通过装置沿引导槽移动。 滑动端子通过支撑件连接到移动构件。 支撑件允许滑动端子接近移动构件，从而使滑动端子进入解锁位置或移动远离移动构件，从而使滑动端子进入锁定位置。 滑动端子支撑光纤的端面。 该装置还包括具有两个端部的驱动线。 端部通过移动构件设置并且联接到滑动端子，从而在驱动线中形成环。 该装置可以通过在驱动线中产生张力来移动滑动端子，从而使滑动端子进入解锁位置，从而允许移动构件通过驱动线的纵向移动而沿导向槽移动。

    Optical connector module
    9.
    发明授权
    Optical connector module 有权
    光连接器模块

    公开(公告)号：US08491197B2

    公开(公告)日：2013-07-23

    申请号：US13087837

    申请日：2011-04-15

    申请人： Mitsuaki Tamura ,  Osamu Shimakawa

    发明人： Mitsuaki Tamura ,  Osamu Shimakawa

    IPC分类号： G02B6/38

    CPC分类号： G02B6/4204 ,  G02B6/322 ,  G02B6/3865 ,  G02B6/4239

    摘要： There is provided an optical connector module in which an adhesive is interposed between a lens and a distal surface of an optical fiber, wherein the module includes a transparent positioning device and an optical fiber fixed in the positioning device. The positioning device has a lens provided to an end surface, a concave insertion portion into which the optical fiber is inserted and which is disposed so that the bottom surface in contact with the distal surface of the optical fiber is positioned opposite the lens, and a debris receiving portion that extends from the bottom surface in a radial direction of the optical fiber and has a surface continuous with the bottom surface.

    摘要翻译： 提供了一种光学连接器模块，其中粘合剂介于透镜和光纤的远端表面之间，其中模块包括固定在定位装置中的透明定位装置和光纤。 定位装置具有设置在端面的透镜，插入光纤的凹入插入部，并且配置成使得与光纤的远端面接触的底面与透镜相对定位， 碎片接收部分，其在光纤的径向方向上从底表面延伸并且具有与底表面连续的表面。