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1. 发明专利

JP2013174678A Optical fiber cable and method of manufacturing optical fiber cable 有权
标题翻译：光纤电缆及制造光纤电缆的方法
公开(公告)号：JP2013174678A
公开(公告)日：2013-09-05
申请号：JP2012038197
申请日：2012-02-24
申请人： Fujikura Ltd , 株式会社フジクラ , Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： NAMAZUE AKIRA , MATSUZAWA TAKASHI , OSATO TAKESHI , OKADA NAOKI , HIGASHI YUJI , OHASHI HIROYUKI , HIROTA YOSHINOBU , KATAYAMA KAZUNORI
IPC分类号： G02B6/44
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber cable which has excellent flexibility, and can suppress a loss due to bending of an optical fiber caused by shrinkage of a sheath under low temperature.SOLUTION: An optical fiber cable includes a plurality of optical fibers 11, an inner layer sheath 12 directly covering the peripheries of the plurality of optical fibers 11, a tension layer 13 composed of tension fiber covering the periphery of the inner layer sheath 12, and an outer layer sheath 14 covering the periphery of the tension layer 13 and applied with compressive strain in a cable longitudinal direction.
摘要翻译：要解决的问题：提供一种具有优异的柔性的光缆，并且可以抑制由于在低温下鞘的收缩引起的光纤的弯曲的损耗。解决方案：光缆包括多根光纤如图11所示，直接覆盖多根光纤11的周围的内层护套12，由覆盖内层护套12的周围的张力纤维构成的张力层13和覆盖张力层周围的外层护套14 并在电缆纵向上施加压缩应变。

2. 发明专利

JP2013126085A Optical transmission line duplexing device and method 有权
标题翻译：光传输线双工器件及方法
公开(公告)号：JP2013126085A
公开(公告)日：2013-06-24
申请号：JP2011273408
申请日：2011-12-14
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： MANABE TETSUYA , NANDO KAZUTAKA , OGUSHI KITARO , KAWANO TOMOHIRO , HONDA NAGETSU , HIROTA YOSHINOBU , HIGASHI YUJI
IPC分类号： H04B10/03 , H04B10/07 , H04J14/00 , H04J14/02
摘要： PROBLEM TO BE SOLVED: To simplify and downsize a composition and reduce a signal propagation time in a detour line.SOLUTION: Signal light having an uplink detour line, a downlink detour line and a test purpose detour line branched from an active optical fiber 102 is converted to an electric signal before being input to variable delay devices 30, 31 and 32 for delay processing, and the delayed electric signal is converted to signal light before being sent out to an active optical transmission line. And, while the delay amount of the test purpose variable delay device 32 is varied under control of a control device 60, determination of whether there is a difference in optical path length between the active optical fiber 102 and the test purpose detour line is made by using an optical path length difference detector 50. Then, delay amounts when a difference in optical path length does no longer exist are set for the uplink and downlink detour line variable delay devices 30 and 31, respectively.
摘要翻译：要解决的问题：简化和缩小组合并减小绕行线中的信号传播时间。解决方案：具有上行线绕线，下行线绕线和从有源光纤102分支的测试用途迂回线的信号光在被输入到可变延迟装置30,31和32之前被转换为电信号用于延迟并且延迟的电信号在被发送到有源光传输线之前被转换成信号光。并且，在控制装置60的控制下，在测试目的可变延迟装置32的延迟量变化的同时，有源光纤102与测试用途绕线之间的光程长度的差是否确定，由然后，分别对上行线路和下行线路可变延迟装置30,31分别设定光路长度差不再存在的延迟量。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2013108768A Method for inputting/outputting sidelight to/from optical fiber 有权
标题翻译：从光纤输入/输出边界的方法
公开(公告)号：JP2013108768A
公开(公告)日：2013-06-06
申请号：JP2011251876
申请日：2011-11-17
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： HIROTA YOSHINOBU , HIGASHI YUJI , MANABE TETSUYA , HONDA NAGETSU , NANDO KAZUTAKA
IPC分类号： G01M11/00
摘要： PROBLEM TO BE SOLVED: To obtain high coupling efficiency without reducing service to a user and without using a large scale apparatus such as an optimum arrangement mechanism.SOLUTION: A flaw with a preset length is given to a coating material 3 of a coated optical fiber 10 and the coated optical fiber 10 is bent so that a portion to which the flaw 5 is given in the coating material 3 becomes an outer peripheral part, so that the portion with the flaw 5 in the coating material 3 is opened and clad glass 2 of fiber glass is exposed. Then at least either one of a step for outputting leakage light Lout from the coated optical fiber 10 to perform optical fiber identification and a step for inputting local signal light Lin for a test to the coated optical fiber 10 by utilizing the portion from which the fiber glass of the coated optical fiber 10 is exposed.
摘要翻译：要解决的问题：为了获得高的耦合效率，而不减少对用户的服务，并且不使用诸如最佳布置机构的大规模装置。解决方案：涂覆光纤10的涂层材料3具有预设长度的缺陷，并且涂覆的光纤10被弯曲，使得在涂层材料3中给出缺陷5的部分变为外周部分，使具有涂层材料3中的缺陷5的部分打开，玻璃纤维玻璃的玻璃2暴露。然后，从涂覆光纤10输出泄漏光Lout的步骤中的至少一个以进行光纤识别，以及通过利用纤维的部分，将本地信号光Lin输入到涂覆光纤10进行测试的步骤涂覆的光纤10的玻璃露出。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2012037624A Optical connector and optical connector assembly tool 审中-公开
标题翻译：光学连接器和光连接器总成工具
公开(公告)号：JP2012037624A
公开(公告)日：2012-02-23
申请号：JP2010175669
申请日：2010-08-04
申请人： Nippon Telegr & Teleph Corp , Ntt Advanced Technology Corp , エヌ・ティ・ティ・アドバンステクノロジ株式会社 , 日本電信電話株式会社
发明人： ABE YOSHITERU , ASAKAWA SHUICHIRO , MATSUI SHINSUKE , HIROTA YOSHINOBU , KOBAYASHI JUNYA , KOBAYASHI MASARU
IPC分类号： G02B6/38
摘要： PROBLEM TO BE SOLVED: To provide an optical connector and an optical connector assembly tool to improve reliability and assembly workability.SOLUTION: An optical connector comprises: a ferrule 1; a flange 2 holding the ferrule 1 and including a pore part 8 in which a coated portion of an optical fiber inserted into the ferrule 1 is bent and an optical fiber bending regulating part 9; and an optical fiber holding part 3 for elastically holding the optical fiber. The pore part 8 has an inner diameter sized to allow bending of the optical fiber. The optical fiber bending regulating part 9 is a cylinder which is located at a portion nearer to the ferrule 1 than a center position of the pore part 8 and has a major axis on a center axis of a major axis direction of the ferrule 1, and has a hole diameter slightly larger than an outer diameter of the coated portion of the optical fiber. The optical fiber holding part 3 elastically holds the coated portion of the optical fiber in the state of an end of the optical fiber projecting from an end face of the ferrule 1 and presses and connects end faces of optical fibers with each other by elastic recovery force generated by bending of the optical fibers.
摘要翻译：要解决的问题：提供光学连接器和光学连接器组装工具，以提高可靠性和组装可操作性。解决方案：光连接器包括：套圈1; 保持套圈1并包括插入到套圈1中的光纤的被覆部弯曲的孔部8的凸缘2和光纤弯曲限制部9; 以及用于弹性保持光纤的光纤保持部3。孔部分8具有尺寸允许光纤弯曲的内径。光纤弯曲调节部9是比孔部8的中心位置更靠近套圈1的部分的圆筒，并且在套圈1的长轴方向的中心轴上具有长轴，具有稍大于光纤的被覆部分的外径的孔直径。光纤保持部3在光纤端部从套圈1的端面突出的状态弹性地保持光纤的被覆部分，并通过弹性恢复力将光纤的端面彼此挤压连接通过光纤的弯曲产生。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2006030733A Optical waveguide and method for manufacturing optical waveguide 审中-公开
标题翻译：光波导和制造光波导的方法
公开(公告)号：JP2006030733A
公开(公告)日：2006-02-02
申请号：JP2004211211
申请日：2004-07-20
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： SAIDA TAKASHI , HIROTA YOSHINOBU , TAKAHASHI HIROSHI , OKAMOTO KATSUNARI
IPC分类号： G02B6/12 , G02B6/13
摘要： PROBLEM TO BE SOLVED: To realize an optical waveguide which generates SC (super continuum) light near visible light. SOLUTION: A light guide portion 12a of a quartz glass film 12 laid on a silicon substrate 11 functions to guide light. Holes 13 are formed in a position along the both sides of the light guide portion 12a. A vacancy 14 is formed in a part of the silicon substrate 11 opposing the bottom of the light guide portion 12a, and the vacancy 14 is connected to the holes 13. Consequently, the entire upper surface of the light guide portion 12a is surrounded by air, the entire lower surface is surrounded by air in the vacancy 14, and most of both side faces are surrounded by air in the holes 13. The light guide portion 12a thereby functions as a core while air functions as a clad to produce an optical waveguide having an extremely large specific refractive-index difference, which generates SC light near visible light. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：实现在可见光附近产生SC（超连续体）光的光波导。解决方案：放置在硅衬底11上的石英玻璃膜12的导光部分12a用于引导光。孔13形成在导光部12a的两侧的位置。在硅基板11的与导光部12a的底面相对的一部分上形成空位14，空隙14与孔13连接。因此，导光部12a的整个上表面被空气整个下表面被空位14中的空气包围，并且大部分两个侧面被孔13中的空气包围。因此，导光部12a用作芯，空气用作包层以产生光波导具有非常大的比折射率差异，其在可见光附近产生SC光。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2006023409A Optical sensor 有权
标题翻译：光传感器
公开(公告)号：JP2006023409A
公开(公告)日：2006-01-26
申请号：JP2004199973
申请日：2004-07-07
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： TAKIGUCHI KOICHI , KOMINATO TOSHIMI , HIROTA YOSHINOBU
IPC分类号： G02F1/01
摘要： PROBLEM TO BE SOLVED: To provide an optical sensor which is compact and is hardly affected with a disturbance and with which the speed of measurement is enhanced by eliminating any movable part or reducing it to minimum requirements. SOLUTION: A two arm optical Michelson type interferometer has a low coherent light source 8, a directional coupler 10, a light reflection part 12, a light receiver 13, and optical paths (9-1)-(9-5) optically connecting them. If the low coherent light source 8 is connected to one out of input parts of the directional coupler 10 via the optical path 9-1, the light receiver 13 is connected to the other input part thereof via the optical path 9-5, a variable delay line 11 is arranged within one arm of the interferometer, which connects one output part of the directional coupler 10 with the light reflection part 12 via the optical path (9-3) and (9-4), the other arm terminal connected with the other output part of the directional coupler 10 via the optical path 9-2 and an optical fiber 14 is made to be used for connection of an object to be measured, and the object 15 to be measured is connected to the optical fiber 14, any movable part is eliminated and consequently a distribution type optical sensor which is high-speed and stable, and further has a compact construction and varies delay is constructed. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种紧凑的并且几乎不受干扰影响的光学传感器，并且通过消除任何可移动部件或将其降低到最低要求来提高测量速度。解决方案：双臂光学迈克尔逊型干涉仪具有低相干光源8，定向耦合器10，光反射部分12，光接收器13和光路（9-1） - （9-5）光学连接它们。如果低相干光源8经由光路9-1连接到定向耦合器10的输入部分中的一个，则光接收器13经由光路9-5连接到其它输入部分，变量延迟线11设置在干涉仪的一个臂内，其经由光路（9-3）和（9-4）将定向耦合器10的一个输出部分与光反射部分12连接，另一个臂终端与通过光路9-2的定向耦合器10的另一个输出部分和光纤14被制成用于连接待测物体，被测量物体15连接到光纤14，消除任何可移动部件，从而构造高速稳定的分布式光学传感器，并且进一步具有紧凑的结构和延迟变化。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2013113890A Optical fiber coupling device and optical fiber coupling method 有权
标题翻译：光纤耦合器件和光纤耦合方法
公开(公告)号：JP2013113890A
公开(公告)日：2013-06-10
申请号：JP2011257495
申请日：2011-11-25
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： NANDO KAZUTAKA , HONDA NAGETSU , HIROTA YOSHINOBU , MANABE TETSUYA , HIGASHI YUJI
IPC分类号： G02B6/26 , G01M11/00 , G02B6/00
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber coupling technique that efficiently bringing signal light to incidence from a side face of an optical fiber.SOLUTION: A light incidence device 9 has a mechanism that emits signal light at a prescribed angle from an incidence-purpose optical fiber 14 to a communication-purpose optical fiber 4A curved at a prescribed radius of curvature toward a prescribed position on a side face of a first optical fiber 4A and self-forms an optical waveguide using photo-curable resin 13 to restrain the beam diameter expansion of the signal light emitted from the incidence-purpose optical fiber 14 in a position where the signal light couples with a core 21 of the communication-purpose optical fiber 4A. In this way, the signal light can be efficiently brought to incidence from the side face of the communication-purpose optical fiber 4A on the core 21 of that optical fiber 4A.
摘要翻译：解决的问题：提供一种有效地使信号光从光纤的侧面入射的光纤耦合技术。光入射装置9具有将入射用光纤14向规定的曲率方向弯曲的通信用光纤4A的规定角度的信号光发射到规定的位置上的机构并且使用光固化树脂13自形成光波导，从而抑制从入射用光纤14发射的信号光的光束直径扩大到信号光与通信光纤4A的芯21。以这种方式，信号光可以有效地从光纤4A的芯21上的通信用光纤4A的侧面入射。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2013003201A Multi-core fiber and connection method thereof 有权
标题翻译：多芯光纤及其连接方法
公开(公告)号：JP2013003201A
公开(公告)日：2013-01-07
申请号：JP2011131282
申请日：2011-06-13
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： HIROTA YOSHINOBU , SHIKAMA KOTA , ABE YOSHITERU , ASAKAWA SHUICHIRO , KOBAYASHI JUNYA
IPC分类号： G02B6/04
摘要： PROBLEM TO BE SOLVED: To provide a multi-core fiber which facilitates connection between the multi-core fiber and a single core fiber, and a connection method thereof.SOLUTION: One core 301-1 is provided at the center of a clad glass 302 and six cores 301-2 are disposed around the core 301-1, and six gaps 303 are provided between the cores. The gaps 303 are provided in the clad glass 302 to reduce the strength of the clad glass 302 in a part of its outer peripheral part and around the center core 301-1. A multi-core fiber 300 of this invention is divided by pressing the outer peripheral part of the multi-core fiber 300 to break down regions 304-1 and 304-2 where the strength of the clad glass 302 is reduced. The region 304-1 where the strength of the clad glass 302 is reduced, around the center core 301-1 cracks simultaneously with breakage of the region 304-2 where the strength of the clad glass 302 is reduced in the outer peripheral part.
摘要翻译：要解决的问题：提供一种便于多芯光纤与单芯光纤之间的连接的多芯光纤及其连接方法。解决方案：一个芯301-1设置在包层玻璃302的中心，并且六个芯301-2设置在芯301-1周围，并且六个间隙303设置在芯之间。间隙303设置在复合玻璃302中，以降低包层玻璃302的外周部分的一部分和中心芯301-1周围的强度。通过按压多芯光纤300的外围部分来分割本发明的多芯光纤300，以分解包层玻璃302的强度降低的区域304-1和304-2。包层玻璃302的强度减小的区域304-1围绕中心芯301-1在包层玻璃302的强度在外周部分中减小的区域304-2的同时断裂。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2007073711A Airtight sealing package and optical submodule 有权
标题翻译：空气密封包装和光学子系统
公开(公告)号：JP2007073711A
公开(公告)日：2007-03-22
申请号：JP2005258474
申请日：2005-09-06
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： NAKANISHI YASUHIKO , OGAWA IKUO , KAMITOKU MASAKI , WATANABE HIROSHI , HIROTA YOSHINOBU , YANAGISAWA MASAHIRO , INOUE YASUYUKI , HASHIZUME YASUAKI
IPC分类号： H01S5/022
摘要： PROBLEM TO BE SOLVED: To provide an airtight sealing package and an optical submodule which are microminiaturized for an optical semiconductor element at low cost without requiring a complex process.
SOLUTION: The airtight sealing package comprises: a flat substrate 11 consisting of a material having a non-moisture-permeability; a cap 14 comprising a material having the non-moisture-permeability and a protruded part 15 formed so as to surround the predetermined region on the mounting surface; an oxide film 12 formed on the surface of the convex part 15; and the oxide film 12 formed in a region contacting with the oxide film 12 of the cap 14 on the mounting surface of the substrate 11 at the time of mounting the cap 14 and the substrate 11. Bonding the substrate 11 to the cap 14 with a low melting glass 13 at the time of mounting, forms a space with airtight sealed.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种密封封装和光学子模块，它们以低成本对光半导体元件进行微型化，而不需要复杂的工艺。解决方案：气密密封包装包括：由具有非透湿性的材料组成的平坦基底11; 包括具有非透湿性的材料的帽14和形成为围绕安装表面上的预定区域的突出部15; 形成在凸部15的表面上的氧化膜12; 以及在安装盖14和基板11时在基板11的安装表面上与盖14的氧化物膜12接触的区域中形成的氧化膜12。将基板11与盖14接合低熔点玻璃13在安装时形成密封的空间。版权所有（C）2007，JPO＆INPIT

10. 发明专利

JP2006243495A Optical waveguide and its manufacturing method 审中-公开
标题翻译：光波及其制造方法
公开(公告)号：JP2006243495A
公开(公告)日：2006-09-14
申请号：JP2005060746
申请日：2005-03-04
申请人： Nippon Telegr & Teleph Corp , Ntt Electornics Corp , Nttエレクトロニクス株式会社 , 日本電信電話株式会社
发明人： HIROTA YOSHINOBU , TAMURA MUNEHISA , WATANABE HIROSHI , INOUE YASUYUKI , MASUDA TAKAMITSU , ITOU MIKITAKA , OTE YASUYOSHI , SATO TERUAKI
IPC分类号： G02B6/122 , G02B6/13
摘要： PROBLEM TO BE SOLVED: To provide an optical waveguide that has no gap in the upper clad layer, and also to provide a method for forming the waveguide. SOLUTION: A lower clad layer is formed on a substrate, a core film is formed on the lower clad layer. A resist is applied onto the core film and, by rotating a spin coater at high speed, the resist with a uniform thickness is formed. A resist pattern is formed by performing exposure and development using a mask for the resist. Etching is performed for the resist pattern and the core film, so that a core is formed from the core film. Then, a clad is embedded to form an upper clad layer. The mask is a gray mask or a shadow mask. The cross sectional shape of the resist pattern before the core forming step is thick in the resist center part and thin in the edge part. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供在上包层中没有间隙的光波导，并且还提供用于形成波导的方法。解决方案：在基板上形成下包层，在下包层上形成芯膜。将抗蚀剂施加到芯膜上，并且通过高速旋转旋涂机，形成均匀厚度的抗蚀剂。通过使用用于抗蚀剂的掩模进行曝光和显影来形成抗蚀剂图案。对抗蚀剂图案和芯膜进行蚀刻，从而由芯膜形成芯。然后，将包层嵌入以形成上包层。面具是一个灰色的面具或一个荫罩。芯形成步骤之前的抗蚀剂图案的横截面形状在抗蚀剂中心部分较厚并且在边缘部分中较薄。版权所有（C）2006，JPO＆NCIPI

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