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1. 发明专利

JP2007335435A Optical fiber 有权
标题翻译：光纤
公开(公告)号：JP2007335435A
公开(公告)日：2007-12-27
申请号：JP2006161985
申请日：2006-06-12
申请人： Mitsubishi Cable Ind Ltd , Mitsubishi Electric Corp , 三菱電機株式会社 , 三菱電線工業株式会社
发明人： YAMAMOTO TETSUYA , NISHINA RINTARO , HIRANO YOSHIHITO , KAMEYAMA SHUNPEI , KOYADA YASUHARU
IPC分类号： H01S3/06 , C03C13/04 , G02B6/04 , H01S3/094
CPC分类号： C03C3/06 , C03C13/00
摘要： PROBLEM TO BE SOLVED: To enhance the beam quality and output of a laser light beam. SOLUTION: The optical fiber 10 comprises a core 2 to which an optical amplification constituent is doped, and which includes a plurality of core forming portions 1 extending in parallel with each other; and a clad 3 provided on the periphery of the core 2. The core forming portions 1 are arranged tightly such that a single laser beam exits from the end of each fiber. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提高激光束的光束质量和输出。解决方案：光纤10包括掺杂光放大成分的芯2，并且包括彼此平行延伸的多个芯形成部分1; 以及设置在芯体2的周边的包层3.芯部形成部分1被紧密配置，使得单个激光束从每个光纤的端部离开。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2005121683A Dispersion compensation optical fiber and dispersion compensation unit 审中-公开
标题翻译：分散补偿光纤和分散补偿单元
公开(公告)号：JP2005121683A
公开(公告)日：2005-05-12
申请号：JP2003353054
申请日：2003-10-14
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： SUZUKI AKIHITO , NISHINA RINTARO
IPC分类号： G02B6/024 , G02B6/17
摘要： PROBLEM TO BE SOLVED: To provide a dispersion compensation fiber which has a peak of large wavelength dispersion in a certain wavelength, and is capable of correcting slippage from initial design of the peak wavelength. SOLUTION: The invention relates to an optical fiber 1 which is provided with a 1st core 11, a 1st clad 12 arranged to cover the 1st core, a 2nd core 13 arranged to cover the 1st clad, and a 2nd clad 14 arranged to cover the 2nd core, and of which the 1st core and/or the 2nd core has birefringence, and the optical fiber has a steep peak of the wavelength dispersion in a specific wavelength. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有一定波长的大波长色散峰值的色散补偿光纤，并且能够根据峰值波长的初始设计来校正滑动。解决方案：本发明涉及一种光纤1，其设置有第一芯11，布置成覆盖第一芯的第一包层12，布置成覆盖第一包层的第二芯13和布置成覆盖第一包层的第二包层14 覆盖第二芯，其中第一芯和/或第二芯具有双折射，并且光纤具有特定波长的波长色散的陡峭峰值。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2007212947A Manufacturing method for double cladding fiber, and double cladding fiber 有权
标题翻译：双层纤维的制造方法和双层纤维
公开(公告)号：JP2007212947A
公开(公告)日：2007-08-23
申请号：JP2006035264
申请日：2006-02-13
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： NISHINA RINTARO , YAMAMOTO TETSUYA , ITO HIDEAKI
IPC分类号： G02B6/036
摘要： PROBLEM TO BE SOLVED: To provide a double cladding fiber having a high numerical aperture. SOLUTION: This method of manufacturing a double cladding fiber 10 comprises a core doped with an optical amplification component, a first cladding provided in the periphery of the core, and a second clad in which a plurality of fine holes, each having an oblong cross section are formed in one layer extended along the core in the periphery of the first cladding. The method includes a preform making process, in which a core rod 17 for forming the core and the first cladding is arranged concentrically in a support tube 14, and in which a plurality of capillaries 13 for forming the second clad are filled between the inner peripheral wall of the support tube 14 and the outer peripheral wall of the core rod 17. The method also includes a line-drawing process in which the preform 20 is heated, stretched and drawn into fibers. In the preform making process, a gap between the support tube 14 and the core rod 17 is set at 1.2-1.4 times as large as the outside diameter of each capillary 13. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有高数值孔径的双包层光纤。解决方案：制造双包层光纤10的方法包括掺杂有光放大部件的芯，设置在芯周的第一包层和第二包层，其中多个细孔具有椭圆形横截面形成在第一包层的周边中沿着芯延伸的一层中。该方法包括预成形坯制造工艺，其中用于形成芯部的芯棒17和第一包层同心地布置在支撑管14中，并且其中用于形成第二包层的多个毛细管13填充在内周支撑管14的壁和芯棒17的外周壁。该方法还包括将预成型体20加热，拉伸并拉伸成纤维的线拉伸工序。在预成型件制造过程中，支撑管14和芯棒17之间的间隙被设定为每个毛细管13的外径的1.2-1.4倍。（C）2007，JPO＆INPIT

4. 发明专利

JP2004277245A Method of manufacturing optical fiber preform 审中-公开
公开(公告)号：JP2004277245A
公开(公告)日：2004-10-07
申请号：JP2003073079
申请日：2003-03-18
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： KIN MASATAKA , TAKANO TSUYOSHI , NISHINA RINTARO
IPC分类号： G02B6/00 , C03B37/012
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing optical fiber preform by which the occurrence of crack due to the hitting or the rubbing of a rod material against the inside wall of a pipe in inserting the rod material to a pipe material and the eccentricity of a part to be a core of an optical fiber in the produced optical fiber preform are suppressed. SOLUTION: The method of manufacturing the optical fiber preform is a rod-in-tube method and is provided with a step for forming the rod material R by continuously melt-sticking an upper side dummy rod 26 and a lower side dummy rod 27 respectively to the upper part and the lower part of the quartz core rod 24 and a step for judging whether the bending amount of the rod material R is equal to or below a desired bending amount or not. COPYRIGHT: (C)2005,JPO&NCIPI

5. 发明专利

JP2005255422A Method for manufacturing optical fiber 有权
标题翻译：制造光纤的方法
公开(公告)号：JP2005255422A
公开(公告)日：2005-09-22
申请号：JP2004065632
申请日：2004-03-09
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： YAMAMOTO TETSUYA , NISHINA RINTARO , KUSUNOKI SHUICHI , ITO HIDEAKI
IPC分类号： G02B6/00 , C03B37/012 , C03B37/027
CPC分类号： C03B37/0122 , C03B37/02781 , C03B2203/14 , C03B2205/10
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a high aperture and high numerical aperture (NA) optical fiber. SOLUTION: The method for manufacturing an optical fiber 4 comprises the preparation step of preparing a core rod 1 for forming a core and a plurality of capillaries 2 for forming a clad, the rod bundle formation step of forming a rod bundle 7 by bundling the core rod 1 and the plurality of the capillaries 2 prepared in the preparation step in a manner that the core rod 1 is surrounded with the capillaries 2, the preform formation step of forming a preform 18 by heating and drawing the rod bundle 7 formed in the rod bundle formation step to effect its diameter reduction and their integration, and the drawing step of heating and drawing the preform 18 formed in the preform formation step into a fiber. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于制造高孔径和高数值孔径（NA）光纤的方法。解决方案：制造光纤4的方法包括制备用于形成芯的芯棒1和用于形成包层的多个毛细管2的制备步骤，所述棒束形成步骤通过以下方式形成棒束7：将芯棒1和制备步骤中制备的多个毛细管2以芯棒1被毛细管2包围的方式捆扎，预成型件形成步骤通过加热和拉伸形成的棒束7形成预制棒18 在棒束形成步骤中实现其直径减小和它们的一体化，以及将在预成型体形成步骤中形成的预成型件18加热和拉伸成纤维的拉拔步骤。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2005084135A Design method of dispersion compensating fiber and dispersion compensating fiber 审中-公开
标题翻译：分散补偿纤维和分散补充纤维的设计方法
公开(公告)号：JP2005084135A
公开(公告)日：2005-03-31
申请号：JP2003313157
申请日：2003-09-04
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： ITO HIDEAKI , SUZUKI AKIHITO , NISHINA RINTARO
IPC分类号： G02B6/036 , G02B6/22
摘要： PROBLEM TO BE SOLVED: To provide a design method of a dispersion compensating fiber in which the absolute value of a dispersion value and the value of structure tolerance are set large and to provide the dispersion compensating fiber. SOLUTION: The value of a structure tolerance is determined so that the product of the dispersion value and yield becomes greater than a prescribed value and the structure parameters of the dispersion compensating fiber are determined to realize the structure tolerance value. The dispersion compensating fiber is provided with a first core 11, a first clad 12, a second core 13 and a second clad 14 and the structure tolerance is set to 2 to 8% and the dispersion value is set to -1,100 to -200 ps/nm/km. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种色散补偿光纤的设计方法，其中色散值的绝对值和结构公差值被设置得较大并提供色散补偿光纤。解决方案：确定结构公差的值，使得色散值和屈服的乘积变得大于规定值，并且确定色散补偿光纤的结构参数以实现结构公差值。色散补偿光纤设置有第一芯11，第一包层12，第二芯13和第二包层14，并且结构公差设置为2至8％，并且色散值设置为-1,100至-200ps / nm / km的。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2004010372A QUARTZ ROD MATERIAL HOLDING DEVICE AND QUARTZ TUBE HOLDING DEVICE 审中-公开
公开(公告)号：JP2004010372A
公开(公告)日：2004-01-15
申请号：JP2002162518
申请日：2002-06-04
申请人： MITSUBISHI CABLE IND LTD
发明人： NISHINA RINTARO , NAGAE NOBUSADA , KIN MASATAKA , TAKANO TSUYOSHI
IPC分类号： C03B37/012
摘要： PROBLEM TO BE SOLVED: To provide a holding device for a quartz rod material or a quartz tube, which is capable of fusion unifying the the quartz rod material and the quartz tube while preventing the occurrence of the eccentricity of core. SOLUTION: After inserting the quartz rod material 1 into the quartz tube 2, the upper end part of the quartz rod material 1 is held by the quartz rod material holding device 4, and the quartz tube 2 and the quartz rod material 1 are heated by a furnace 3 so as to be fusion unified and drawn. At this time, the quartz rod material 1 is supported so that it can freely incline with respect to the quartz tube 2 central axis by a freely inclinably supporting member comprising a spherical member 10, a slider 12, and a bowl-shaped supporting member 11, and further supported so that it can freely move in the direction perpendicular to the axis by a freely movably supporting member comprising rails 9, 9 directed to orthogonal two directions. The quartz rod material 1 can move so that the core part may be in agreement with the central axis at the time of fusion unifying and drawing, because the the quartz rod material 1 is permitted to freely incline and move to the direction perpendicular to the axis, as mentioned above. COPYRIGHT: (C)2004,JPO

8. 发明专利

JP2003156313A MEASURING APPARATUS FOR FLAT-TYPE WIRE SIZE 审中-公开
公开(公告)号：JP2003156313A
公开(公告)日：2003-05-30
申请号：JP2001354792
申请日：2001-11-20
申请人： MITSUBISHI CABLE IND LTD
发明人： NISHINA RINTARO
IPC分类号： G01B11/04
摘要： PROBLEM TO BE SOLVED: To provide a measuring apparatus for the size of a flat-type wire, in which a wire width can be always be measured precisely, irrespective of whether the wire width is large or small. SOLUTION: The measuring apparatus comprises a pair of attitude-holding sheaves 3, 3 equipped with posture holding recess grooves 5 in groove bottom widths which are larger than the wire length W of the flat-type wire 1 and a pair of guidance sheaves 4, equipped with guidance bottom widths narrower than the groove bottom widths at the grooves 5 on the upstream side and the downstream side of the sheaves 3, 3. A laser measuring means 2 is arranged and installed in between the sheaves 3, 3, and the flat-type wire 1 is made to run in the vertical directions alternately on the guidance sheaves 4, 4 and the sheaves 3, 3.

9. 发明专利

JP2003154326A DRAINING DEVICE AND DRAINING METHOD 审中-公开
公开(公告)号：JP2003154326A
公开(公告)日：2003-05-27
申请号：JP2001358086
申请日：2001-11-22
申请人： MITSUBISHI CABLE IND LTD
发明人： ISHIBASHI EIJI , NISHINA RINTARO
IPC分类号： B08B11/00 , B08B1/00
摘要： PROBLEM TO BE SOLVED: To provide a draining device capable of certainly removing moisture adhering to a flat type wire by simple constitution, and a draining method. SOLUTION: This draining device is equipped with a draining sieve 2 for guiding the flat type wire 1 continuously delivered from a previous process apparatus 10. The draining sieve 2 is arranged so as to guide the flat type wire 1 running in a first running direction A downwardly inclined on the downstream side while changing the direction thereof in a second running direction B upwardly inclined on the downstream side.

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