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    Optical fiber
    1.
    发明授权
    Optical fiber 有权
    光纤

    公开(公告)号：US06671444B1

    公开(公告)日：2003-12-30

    申请号：US09763850

    申请日：2001-05-21

    申请人： Shinichi Arai ,  Takeshi Yagi ,  Kunihiko Mori ,  Hidehiko Takara ,  Satoki Kawanishi

    发明人： Shinichi Arai ,  Takeshi Yagi ,  Kunihiko Mori ,  Hidehiko Takara ,  Satoki Kawanishi

    IPC分类号： G02B602

    CPC分类号： G02B6/02004 ,  G02B6/02242 ,  G02B6/03627 ,  G02B6/105 ,  G02F1/3555 ,  G02F1/365 ,  G02F2201/02 ,  G02F2203/06 ,  H01S3/302

    摘要： An optical fiber, capable of generating by means of nonlinear phenomena, white light in adequately broadened wavelength bands at both sides of a pumping optical pulse that is input, and stabilizing the polarized conditions. The fiber is formed by covering a core with a first cladding, and covering the first cladding with a second cladding, where the second cladding has a refractive index greater than that of the first cladding, but lower than that of the core. Stress-applying parts are provided inside the second cladding so as to sandwich the core from both sides to form a polarization-maintaining optical fiber. The shortest distance between the stress-applying parts is made 2.3 times or more the mode field diameter for the wavelength of the pumping optical pulse.

    摘要翻译： 能够通过非线性现象产生的光纤，在输入的泵浦光脉冲的两侧上的白光充分变宽的波长带，并稳定极化条件。 纤维通过用第一包层覆盖芯并且用第二包层覆盖第一包层而形成，其中第二包层的折射率大于第一包层的折射率，但是低于芯的折射率。 应力施加部件设置在第二包层内部，以便从两侧夹住芯部以形成偏振保持光纤。 应力施加部之间的最短距离为泵浦光脉冲的波长的模场直径的2.3倍以上。

    METHOD OF PRODUCING OPTICAL FIBER PREFORM AND OPTICAL FIBER
    2.
    发明申请
    METHOD OF PRODUCING OPTICAL FIBER PREFORM AND OPTICAL FIBER 有权
    制造光纤预制光纤和光纤的方法

    公开(公告)号：US20120118020A1

    公开(公告)日：2012-05-17

    申请号：US13279850

    申请日：2011-10-24

    申请人： Taeko SHIBUTA ,  Tadashi Takahashi ,  Takeshi Yagi

    发明人： Taeko SHIBUTA ,  Tadashi Takahashi ,  Takeshi Yagi

    IPC分类号： C03B37/012 ,  C03B37/02

    CPC分类号： C03B37/01231 ,  C03B37/01205 ,  C03B37/01446 ,  C03B37/027 ,  C03B37/02763 ,  C03B2203/14 ,  C03B2205/10

    摘要： A method of producing an optical fiber preform includes preparing a glass preform that has a hole extending in a longitudinal direction formed on one end of the glass preform in such a manner that a length of the hole is equal to or less than half of an entire length of the glass preform, synthesizing a porous glass preform by depositing glass particles on an outer circumference of the glass preform having the hole formed on the end, and sintering the porous glass preform after arranging the porous glass preform in such a manner that the end having the hole formed thereon points downward and the hole is open to the air.

    摘要翻译： 一种制造光纤预制棒的方法包括制备玻璃预制棒，该玻璃预制棒具有沿玻璃预成型件的一端形成的纵向方向延伸的孔，孔的长度等于或小于整个孔的一半 玻璃预成型件的长度，通过在玻璃预成型体的外周上沉积玻璃颗粒合成多孔玻璃预制件，所述玻璃预成型体的端部形成有孔，并且在将多孔玻璃预制件布置成使得端部 其上形成有孔向下指向孔并且空气开放。

    HOLEY FIBERS
    3.
    发明申请
    HOLEY FIBERS 审中-公开

    公开(公告)号：US20110091176A1

    公开(公告)日：2011-04-21

    申请号：US12938104

    申请日：2010-11-02

    申请人： Masanori TAKAHASHI ,  Katsunori Imamura ,  Kazunori Mukasa ,  Takeshi Yagi

    发明人： Masanori TAKAHASHI ,  Katsunori Imamura ,  Kazunori Mukasa ,  Takeshi Yagi

    IPC分类号： G02B6/032

    CPC分类号： G02B6/02347 ,  G02B6/02019 ,  G02B6/02361 ,  G02B6/02366

    摘要： A holey fiber with significantly large effective core area is provided. The holey fiber comprises a core portion and a cladding portion at the circumference of the core portion. The cladding portion has plurality of holes distributed to shape triangular lattices around the core portion; wherein d/Λ is less than or equal to 0.42, the diameter of the holey fiber is larger than or equal to 580 μm, an effective core area is larger than or equal to 15000 μm2 at 1064 nm and a confinement loss is less than or equal to 0.1 dB/m at 1064 nm; where d is the hole diameter in μm and Λ is a lattice constant of the triangular lattice in μm.

    Semiconductor wafer polishing apparatus
    9.
    发明授权
    Semiconductor wafer polishing apparatus 失效
    半导体晶片抛光装置

    公开(公告)号：US6074287A

    公开(公告)日：2000-06-13

    申请号：US834665

    申请日：1997-04-11

    申请人： Akira Miyaji ,  Takashi Arai ,  Takeshi Yagi

    发明人： Akira Miyaji ,  Takashi Arai ,  Takeshi Yagi

    IPC分类号： B24B37/20 ,  B24B49/12 ,  B24D7/12 ,  B24B7/22

    CPC分类号： B24B37/205 ,  B24B49/12

    摘要： Polishing laps and apparatus incorporating such polishing laps for polishing workpieces such as semiconductor wafers are disclosed. The polishing laps are made from a cured mixture of an epoxy resin and a filler material, and preferably have at least a portion that is transparent to light. The polishing lap is preferably mounted on rigid polishing wheel or the like with or without an intervening layer such as an elastic layer. Polishing apparatus incorporating the polishing lap preferably include a light source for directing a beam of light toward the transparent portion of the polishing lap to enable the light beam to reflect from the working surface of the workpiece as the workpiece is being polished by the polishing lap. The apparatus also preferably includes a light detector for detecting light reflected from the surface of the workpiece. Such light can provide information, as on the status of the working surface as polishing progresses and can provide an indication of when polishing has reached a desired end point.

    摘要翻译： 公开了用于抛光工件如半导体晶片的抛光圈和装有这种抛光圈的装置。 抛光圈由环氧树脂和填充材料的固化混合物制成，并且优选具有至少一部分对光透明的部分。 抛光搭扣优选安装在具有或不具有中间层（例如弹性层）的刚性抛光轮等上。 结合了抛光搭扣的抛光装置优选地包括一个光源，用于将光束引导到抛光搭盘的透明部分，以使得当工件被抛光圈抛光时，光束能够从工件的工作表面反射。 该装置还优选地包括用于检测从工件的表面反射的光的光检测器。 这样的光可以提供关于作为抛光进行的工作表面的状态的信息，并且可以提供何时抛光已经达到期望的终点。

    Method of manufacturing a porous preform for an optical fiber
    10.
    发明授权
    Method of manufacturing a porous preform for an optical fiber 失效
    制造光纤多孔预制棒的方法

    公开(公告)号：US5711903A

    公开(公告)日：1998-01-27

    申请号：US698287

    申请日：1996-08-14

    申请人： Takeshi Yagi ,  Masato Oku ,  Takayuki Morikawa ,  Tsuguo Sato ,  Kazuaki Yoshida

    发明人： Takeshi Yagi ,  Masato Oku ,  Takayuki Morikawa ,  Tsuguo Sato ,  Kazuaki Yoshida

    IPC分类号： C01B33/12 ,  C03B37/012 ,  B29D11/00 ,  B27N3/00 ,  B29C59/00

    CPC分类号： C01B33/126 ,  C01B33/12 ,  C03B37/0128 ,  C03B2201/02 ,  C03B2201/10 ,  C03B2201/31 ,  C03B2201/34 ,  C03B2201/42

    摘要： The present invention provides a method of manufacturing a porous preform for an optical fiber, including the steps of removing impure particles from silica powder while being stirred in an alkaline liquid phase, and obtaining the porous preform for an optical fiber by applying the powder forming method to the silica powder used as a main raw material. The present invention further has a method of manufacturing a porous preform for an optical fiber, including the step of preparing a forming material by adding fine particles having a particle diameter satisfying the following formula (I) to the silica powder, and obtaining the porous preform by applying the powder forming method to the forming material: ##EQU1## wherein d: diameter of fine particles, and D: diameter of silica powder.

    摘要翻译： 本发明提供一种制造光纤用多孔预成型体的方法，包括以下步骤：在碱性液相中搅拌的同时从二氧化硅粉末中除去不纯的颗粒，并通过施加粉末形成方法获得光纤用多孔预成型体 以二氧化硅粉末为主要原料。 本发明还涉及一种制造光纤用多孔预成型体的方法，包括通过将具有下述通式（I）的粒径的微粒添加到二氧化硅粉末中而制备成形材料的步骤，得到多孔预成型体 通过对成形材料施加粉末形成方法：其中d：细颗粒直径，D：二氧化硅粉末的直径。