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41. 发明专利

JP2014035359A Optical fiber connection method 有权
标题翻译：光纤连接方法
公开(公告)号：JP2014035359A
公开(公告)日：2014-02-24
申请号：JP2012174878
申请日：2012-08-07
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： TANAKA MASATOSHI , HACHIWAKA MASAYOSHI , FUJIMAKI YOSUKE , KINOSHITA TAKAAKI
IPC分类号： G02B6/04 , G02B6/255
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber connection method capable of low-loss connection of multi-core fibers by using a compact device.SOLUTION: An optical fiber connection method is provided with a plurality of cores and connects multi-core fibers whose cross sections are almost regular even-numbered polygons. The multi-core fibers have the same rotation symmetry where placement of the plurality of cores and fiber outlines share a fiber central shaft as a center. By observing the respective multi-core fibers from two different directions and moving and rotating fixed members fixing the multi-core fibers, adjustment is made so that two multi-core fiber positions and angles of rotation match, and adjusting the angle of rotation is based on a width of the multi-core fibers observed.
摘要翻译：要解决的问题：提供一种通过使用紧凑型装置能够实现多芯纤维的低损耗连接的光纤连接方法。解决方案：光纤连接方法具有多个芯并连接多芯光纤，横截面几乎是常规的偶数多边形。多芯纤维具有相同的旋转对称性，其中多个芯和纤维轮廓的放置共享纤维中心轴为中心。通过从两个不同方向观察各个多芯纤维，并且固定多芯纤维的移动和旋转固定构件进行调整，使得两个多芯纤维位置和旋转角度匹配，并且基于在观察到的多芯纤维的宽度上。

42. 发明专利

JP2011027994A Optical fiber for mode coupling, and method of manufacturing the same 有权
标题翻译：用于模式耦合的光纤及其制造方法
公开(公告)号：JP2011027994A
公开(公告)日：2011-02-10
申请号：JP2009173488
申请日：2009-07-24
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： HACHIWAKA MASAYOSHI , TANIGUCHI KOICHI , SASAKI SHIGERU , SATAKE TAKESHI , TANAKA MASATOSHI , NISHIOKI TATSUYA
IPC分类号： G02B6/287 , G02B6/00 , G02B6/02 , G02B6/032
摘要： PROBLEM TO BE SOLVED: To easily manufacture an optical fiber for mode coupling without requiring processing of removing a clad by etching or the like. SOLUTION: This optical fiber 100 for mode coupling includes a plurality of optical fibers 111 each of which has a core 111b constituted by a part surrounded by a plurality of pores 111a extending in the length direction. One-end parts of the plurality of optical fibers 111 have a mode coupling section 120 formed by collapsing the plurality of pores 111a and melting and unifying them. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了容易地制造用于模式耦合的光纤，而不需要通过蚀刻等去除包层的处理。解决方案：用于模式耦合的光纤100包括多个光纤111，每个光纤111具有由沿长度方向延伸的多个孔111a包围的部分构成的芯111b。多个光纤111的一端部具有通过使多个孔111a收缩并熔融并使其均一而形成的模式耦合部120。版权所有（C）2011，JPO＆INPIT

43. 发明专利

JP2010262993A Fiber laser, and optical combiner and optical fiber used therefor 审中-公开
标题翻译：光纤激光器，光学组合器和光纤光纤
公开(公告)号：JP2010262993A
公开(公告)日：2010-11-18
申请号：JP2009110948
申请日：2009-04-30
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： KOTO MASAHIRO , TANAKA MASATOSHI , YAMAMOTO TETSUYA
IPC分类号： H01S3/06 , G02B6/02 , H01S3/094
摘要： PROBLEM TO BE SOLVED: To suppress breakage of an excitation light source due to return light of a fiber laser. SOLUTION: The fiber laser is constituted such that excitation lights from a plurality of excitation light sources are incident on an incident end surface 34 of an optical fiber 30 through a projection end surface 22a of an optical combiner 20, and laser light is propagated in a core 31a of the optical fiber 30 toward the incident end surface 34. At least on one of the projection end surface 22a of the optical combiner 20 and the incidence end surface 34 of the optical fiber 30, a concave portion 35 is formed so as to correspond to the core 31a of the optical fiber 30. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：抑制由于光纤激光器的返回光引起的激发光源的破坏。解决方案：光纤激光器被构造成使得来自多个激发光源的激发光通过光组合器20的突出端面22a入射到光纤30的入射端面34上，激光为在光纤30的芯31a中朝向入射端面34传播。在组合器20的突出端面22a和光纤30的入射端面34的至少一个上形成有凹部35 以便对应于光纤30的芯部31a。版权所有（C）2011，JPO＆INPIT

44. 发明专利

JP2010102088A Optical fiber and method of manufacturing the same 有权
标题翻译：光纤及其制造方法
公开(公告)号：JP2010102088A
公开(公告)日：2010-05-06
申请号：JP2008272987
申请日：2008-10-23
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： TANAKA MASATOSHI , SAWADA HISASHI , YAMAMOTO TETSUYA
IPC分类号： G02B6/02 , G02B6/036 , G02B6/255 , H01S3/06
摘要： PROBLEM TO BE SOLVED: To increase the coupling efficiency of excitation light and to suppress breakage of a fiber end surface. SOLUTION: A optical fiber 10a includes a double clad fiber body section 9 having a core 1 doped with an optical amplifying component, a first clad 2 disposed so as to cover the core 1, a second clad 3 that is disposed so as to cover the first clad 2 and has a plurality of pores extended along the core 1, and a support layer 4 disposed so as to cover the second clad 3, and an excitation light incident section 6a that is fused to the fiber end surface of the double clad fiber body section 9 and makes excitation light L come into the first clad 2. The second clad 3 and the support layer 4 are removed to expose the first clad 2 at the fiber end surface of the double clad fiber body section 9 on the fused side of the excitation light incident section 6a. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提高激发光的耦合效率并抑制光纤端面的破坏。解决方案：光纤10a包括具有掺杂有光放大部件的芯1的双包层光纤体部分9，以覆盖芯1的方式设置的第一包层2，第二包层3设置成以覆盖第一包层2并且具有沿芯1延伸的多个孔和设置成覆盖第二包层3的支撑层4和激发光入射部6a，该激发光入射部6a被熔合到第一包层2的纤维端面双包层纤维体部9，使激发光L进入第一包层2.除去第二包层3和支撑层4，在双包层纤维体部9的纤维端面露出第一包层2，激发光入射部分6a的熔融侧。版权所有（C）2010，JPO＆INPIT

45. 发明专利

JP2009198953A Method of connecting double clad fiber 有权
标题翻译：连接双层纤维的方法
公开(公告)号：JP2009198953A
公开(公告)日：2009-09-03
申请号：JP2008042658
申请日：2008-02-25
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： TANAKA MASATOSHI
IPC分类号： G02B6/30 , G02B6/036
摘要： PROBLEM TO BE SOLVED: To provide a connection method in which connection loss is reduced, when connecting an optical waveguide element having an optical waveguide core to a double clad fiber 10 having a core 11 doped with rare earth elements, a first clad 12 installed so as to cover the core 11, and a second clad 13 installed so as to cover the first clad 12. SOLUTION: The connection method is such that one end face of the double clad fiber 10 is abutted on or brought in contact with one end face of an optical waveguide element 20, that testing light is made incident from the optical waveguide core 22 of the other end face of the optical waveguide element 20, the testing light including light of a wavelength absorbed by the rare earth elements doped in the core 11 of the double clad fiber 10, that the one end face of the double clad fiber 10 and the one end face of the optical waveguide element 20 are relatively moved in a direction perpendicular to the optical axis direction, and that, for the connection, positioning is performed at a position where the light intensity of the testing light is minimized which is emitted from the core 11 of the other end face of the double clad fiber 10. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题为了提供连接损耗降低的连接方法，当将具有光波导芯的光波导元件连接到具有掺杂有稀土元素的芯11的双包层光纤10时，第一包层安装以覆盖芯11的第二包层13和安装成覆盖第一包层12的第二包层13.解决方案：连接方法是使双包层纤维10的一个端面邻接或带入与光波导元件20的一个端面接触时，测试光从光波导元件20的另一端面的光波导芯22入射，包括由稀土吸收的波长的光的测试光掺杂在双包层光纤10的芯11中的元件，双包层光纤10的一个端面和光波导元件20的一个端面在垂直于光轴方向的方向上相对移动， d，对于连接，在从包层光纤10的另一端面的芯11发射的测试光的光强度最小化的位置处进行定位。（C） 2009年，JPO＆INPIT

46. 发明专利

JP2008152030A Optical fiber and method for manufacturing same 有权
标题翻译：光纤及其制造方法
公开(公告)号：JP2008152030A
公开(公告)日：2008-07-03
申请号：JP2006340112
申请日：2006-12-18
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： TANAKA MASATOSHI , YAMAMOTO TETSUYA
IPC分类号： G02B6/032 , G02B6/02 , H01S3/06
摘要： PROBLEM TO BE SOLVED: To increase coupling efficiency of laser light and to suppress damages on a fiber end face in an air-clad type optical fiber. SOLUTION: The optical fiber 10a includes a fiber body 5 having a linearly extended solid core 1 and a clad layer 2 disposed in the periphery of the core 1 and having a plurality of air holes extended along the core 1; wherein a cylindrical cover part 4a is fused to the end of the fiber body 5 with both end faces aligned to each other, and each air hole of the clad layer 2 is collapsed inside the cover part 4a to form a solid fiber body 5. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提高激光的耦合效率并抑制空气包层型光纤中的光纤端面的损伤。解决方案：光纤10a包括具有线性延伸的实心芯1和设置在芯1的周边的包层2并具有沿芯1延伸的多个气孔的纤维体5; 其中圆筒形盖部分4a熔合到纤维体5的端部，两个端面彼此对准，并且包覆层2的每个空气孔在盖部分4a内折叠以形成固体纤维体5。 P>版权所有（C）2008，JPO＆INPIT

47. 发明专利

JP2008020741A Terminal structure of optical fiber 审中-公开
标题翻译：光纤终端结构
公开(公告)号：JP2008020741A
公开(公告)日：2008-01-31
申请号：JP2006193244
申请日：2006-07-13
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： TANAKA MASATOSHI , YAMAMOTO TETSUYA , SATAKE TAKESHI
IPC分类号： G02B6/36
摘要： PROBLEM TO BE SOLVED: To prevent the generation of a transmission loss in an optical fiber even when the optical fiber is held by a ferrule.
SOLUTION: The terminal structure 10 of the optical fiber is provided with a polarization maintaining PCF 2, a ferrule 6 and an elastic member 9. The ferrule 6 is a device for supporting the polarization maintaining PCF 2 by inserting the polarization maintaining PCF 2. The elastic member 9 exists in the first and the second insertion holes 5b and 7b of the ferrule 6, and fixes the polarization maintaining PCF 2 in the ferrule 6.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：即使当光纤被套圈保持时，也可防止在光纤中产生传输损耗。解决方案：光纤的端子结构10设置有偏振保持PCF 2，套圈6和弹性构件9.套圈6是通过将偏振保持PCF插入来支撑偏振保持PCF 2的装置弹性构件9存在于套圈6的第一和第二插入孔5b和7b中，并将偏振保持PCF 2固定在套圈6中。版权所有（C）2008，JPO＆INPIT

48. 发明专利

JP2005352232A Light inputting apparatus 有权
标题翻译：光输入装置
公开(公告)号：JP2005352232A
公开(公告)日：2005-12-22
申请号：JP2004173617
申请日：2004-06-11
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： YAMATORI SHINYA , HACHIWAKA MASAYOSHI , TANAKA MASATOSHI
IPC分类号： G02B6/42
摘要： PROBLEM TO BE SOLVED: To provide a light inputting apparatus with which light beams of different wavelengths from a plurality of light sources can be made incident on a photonic crystal fiber through a simple structure.
SOLUTION: This is a light inputting apparatus with which the light beam from each of the plurality of light sources emitting light beams of a mutually different wavelength is made incident on the end face of the core 11 of the photonic crystal fiber 1. The plurality of light sources 2, 3, 4 are composed of two light sources each emitting a light beam of at least a relatively different long and a short wavelength. Of the two light sources, one that emits a short wavelength is arranged at a position near the longitudinal center axis going through the end face of the core of the photonic crystal fiber, while the other that emits a long wavelength is arranged at a position away from it.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种光输入装置，可以通过简单的结构将来自多个光源的不同波长的光束通过其入射到光子晶体光纤上。解决方案：这是一种光输入装置，其中来自发射具有相互不同波长的光束的多个光源中的每一个的光束入射到光子晶体光纤1的芯11的端面上。多个光源2,3,4由两个光源组成，每个光源发射至少相对不同的长波长和短波长的光束。在两个光源中，发射短波长的光源被布置在穿过光子晶体光纤的芯的端面的纵向中心轴附近的位置，而发射长波长的另一个被布置在远离的位置从中。版权所有（C）2006，JPO＆NCIPI

49. 发明专利

JP2005326582A Method of filling small hole of optical fiber and optical fiber 有权
标题翻译：填充光纤和光纤小孔的方法
公开(公告)号：JP2005326582A
公开(公告)日：2005-11-24
申请号：JP2004144143
申请日：2004-05-13
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： YAMATORI SHINYA , HACHIWAKA MASAYOSHI , TANAKA MASATOSHI
IPC分类号： G02B6/00
摘要： PROBLEM TO BE SOLVED: To provide a method of filling a small hole of a photonic crystal fiber (PCF) which is used for manufacturing a high performance laser medium, an optical fiber polarizer, and a polarization inversion fiber by departing from the photonic crystal fiber (PCF). SOLUTION: The method of filling the PCF 10 includes: a step in which a plurality of small holes having larger diameter 12a and a plurality of small holes having smaller diameter 12b at the end part of the fiber are filled and a sealed end at which the small holes having smaller diameter 12b are sealed longer than the small holes having larger diameter 12a in the lengthwise direction of the fiber is formed; an opening step of the small holes having larger diameter in which the small holes having larger diameter 12a are opened by cutting a part 18 of the PCF in the direction perpendicular to the fiber axis at which part only the small holes having smaller diameter 12b are filled and the small holes having larger diameter 12a are not filled in the lengthwise direction of the fiber; and a filling step of the small holes having larger diameter in which the small holes having larger diameter 12a opened by the opening step of the small holes having larger diameter are filled with a filling agent for small holes having a diameter larger than the openings 112a formed by the opening step. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种填充用于制造高性能激光介质，光纤偏振器和偏振反转光纤的光子晶体光纤（PCF）的小孔的方法，其偏离光子晶体光纤（PCF）。解决方案：填充PCF 10的方法包括：填充具有较大直径的多个小孔和在纤维的端部处具有较小直径12b的多个小孔的步骤，并且密封端形成具有较小直径12b的小孔比在纤维的长度方向上具有较大直径12a的小孔更长的密封; 通过在垂直于纤维轴线的方向上切割PCF的部分18，仅填充具有较小直径12b的小孔的部分，通过切割具有较大直径12a的小孔的小孔的打开步骤具有较大直径的小孔12a未沿纤维的长度方向填充; 以及具有较大直径的小孔的填充步骤，其中具有通过具有较大直径的小孔的打开步骤打开的较大直径12a的小孔被填充有用于形成直径大于形成的开口112a的小孔的填充剂通过开放步骤。版权所有（C）2006，JPO＆NCIPI

50. 发明专利

JP2005070461A Polarization maintaining photonic crystal fiber, its fiber end treatment method, computer program for controlling optical fiber fusion splicing system and recording medium capable of reading the program 有权
标题翻译：极化维持光电晶体纤维，光纤末端处理方法，用于控制光纤熔丝分离系统的计算机程序和读取程序的记录介质
公开(公告)号：JP2005070461A
公开(公告)日：2005-03-17
申请号：JP2003300532
申请日：2003-08-25
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： TANAKA MASATOSHI , YAMATORI SHINYA , HACHIWAKA MASAYOSHI
IPC分类号： G02B6/255 , G02B6/00 , G02B6/02 , G02B6/024 , G02B6/10 , G02B6/17
CPC分类号： G02B6/024 , G02B6/02333 , G02B6/02357 , G02B6/2551
摘要： PROBLEM TO BE SOLVED: To provide a polarization maintaining PCF which permits easy visual recognition of the main axis direction of polarization by the side elevation view of a fiber, its fiber end treatment method, a computer program for controlling an optical fiber fusion splicing system and a recording medium capable of reading the program. SOLUTION: The cross section of the fiber is provided with pores for markers in the main axis direction of the polarization or the direction perpendicular thereto. At least portions of a plurality of the pores disposed at a clad are sealed at the fiber end. As a result, the visual recognition of the pores for the markers by the side elevation view of the fiber is made possible. COPYRIGHT: (C)2005,JPO&NCIPI

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