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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

JP2011088790A Manufacturing apparatus and manufacturing method of optical fiber preform, and rotary joint 有权
标题翻译：光纤预制件的制造设备和制造方法以及旋转接头
公开(公告)号：JP2011088790A
公开(公告)日：2011-05-06
申请号：JP2009244184
申请日：2009-10-23
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： NAGAE NOBUSADA , YAMAMOTO TETSUYA , FUKUDA AKIHIKO , KIN SEICHIN
IPC分类号： C03B37/018 , C03B8/04 , C03B23/04 , F16D1/06
CPC分类号： C03B37/01884
摘要： PROBLEM TO BE SOLVED: To provide the manufacturing apparatus of an optical fiber preform and the method thereof by which occurrence of the breaking of a glass pipe is prevented, and a rotary joint.
SOLUTION: The manufacturing apparatus of the optical fiber preform is provided with a torque transmission assistant member 5 for integrally rotating a rotary chuck 1 for holding the middle part Pb of the glass pipe P and the inner cylindrical part 30 of the rotary joint 3 to which the tip part Pa of the glass pipe P is fixed and which is present in the supply side of a raw material gas. The torque transmission assistant member 5 is connected to a rotation force transmission cylindrical body 2 for rotating the inner cylindrical body 30 and the rotary chuck 1, or to the rotary chuck 1.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种光纤预制棒的制造装置及其防止玻璃管断裂发生的方法和旋转接头。解决方案：光纤预制棒的制造装置设置有转矩传递辅助构件5，用于一体旋转用于保持玻璃管P的中间部分Pb的旋转卡盘1和旋转接头的内圆柱形部分30 3，玻璃管P的前端部Pa固定在原料气体的供给侧。转矩传递辅助构件5连接到用于使内圆柱体30和旋转卡盘1旋转的旋转力传递圆筒体2或旋转夹盘1。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2009212184A Fiber laser device 审中-公开
标题翻译：光纤激光器件
公开(公告)号：JP2009212184A
公开(公告)日：2009-09-17
申请号：JP2008051690
申请日：2008-03-03
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： SUZUKI AKIHITO , SAWADA HISASHI , YAMAMOTO TETSUYA
IPC分类号： H01S3/10 , G02B6/032 , H01S3/04 , H01S3/06
摘要： PROBLEM TO BE SOLVED: To reduce damage to a dielectric multi-layered film constituting a laser resonator. SOLUTION: A fiber laser device A includes a double clad fiber 11 having a rare earth element doped core, a first clad provided outside the core and a second clad provided outside the first clad, and has: a fiber laser body 10 with the dielectric multi-layered film, whose one end constitutes a beam outgoing end and other end constitutes the resonator; and an excitation light source 20 provided on the one end side of the fiber laser body 10. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：减少构成激光谐振器的电介质多层膜的损伤。解决方案：光纤激光器件A包括具有稀土元素掺杂芯的双包层光纤11，设置在芯外部的第一覆层和设置在第一覆层外部的第二覆层，并且具有：具有其一端构成光束出射端，另一端构成谐振器的电介质多层膜; 以及设置在光纤激光体10的一端侧的激发光源20.版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2009122541A Double clad fiber, fiber end processing method, and fiber-combiner connecting structure including the same 有权
标题翻译：双层纤维，纤维末端加工方法和纤维组合连接结构，包括它们
公开(公告)号：JP2009122541A
公开(公告)日：2009-06-04
申请号：JP2007298472
申请日：2007-11-16
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： G02B6/036 , G02B6/02 , H01S3/06 , H01S3/10
CPC分类号： G02B6/0365 , G02B6/02366 , G02B6/2551 , G02B6/2835
摘要： PROBLEM TO BE SOLVED: To provide a double clad fiber, wherein leakage of exciting light is suppressed in a connecting part, even if the fiber is fusion-spliced to an optical combiner. SOLUTION: The double clad fiber F includes a core 11, a first cladding 12 provided so as to cover the core 11, and a second cladding 13 provided so as to cover the first cladding 12. In the second cladding 13, there are formed a plurality of slots 13a, which are arranged so as to surround the first cladding 12, each of which extends in the longitudinal direction. At least one fiber end is constituted of the core 11 and the first cladding 12, wherein the second cladding 13 is removed by mechanical processing. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种双包层光纤，其中即使光纤被熔接到光组合器，连接部分也抑制了激发光的泄漏。解决方案：双包层纤维F包括芯11，设置成覆盖芯11的第一包层12和设置成覆盖第一包层12的第二包层13.在第二包层13中形成有多个狭槽13a，它们被设置为围绕第一包层12，每个狭缝13a在纵向方向上延伸。至少一个光纤端由芯11和第一包层12构成，其中通过机械加工去除第二包层13。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2005084107A Optical transmission method and optical transmission system 有权
标题翻译：光传输方法和光传输系统
公开(公告)号：JP2005084107A
公开(公告)日：2005-03-31
申请号：JP2003312797
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： KOYANAGI SHIGEKI , YAMAMOTO TETSUYA
IPC分类号： G02B6/02 , H04B10/25 , H04B10/2507 , H04B10/2543 , H04B10/2581 , G02B6/16 , H04B10/02 , H04B10/12 , H04B10/13 , H04B10/135 , H04B10/14 , H04B10/18
摘要： PROBLEM TO BE SOLVED: To provide an optical transmission method and an optical transmission system capable of preventing influence of a nonlinear effect of an optical fiber by increasing a mode field diameter without decreasing a relative refractive-index difference of an optical fiber. SOLUTION: A normalized frequency (V-value) is set so as to make a multi-mode optical fiber 10 operate in the second mode, and makes the multi-mode optical fiber 10 transmit an optical signal in the second mode area. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种光传输方法和光传输系统，其能够通过增加模场直径而不降低光纤的相对折射率差来防止光纤的非线性效应的影响。解决方案：设定归一化频率（V值）以使多模光纤10在第二模式下工作，并使多模光纤10在第二模式区域中发送光信号。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2004325948A Optical transmission device 审中-公开
公开(公告)号：JP2004325948A
公开(公告)日：2004-11-18
申请号：JP2003122532
申请日：2003-04-25
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： MIYAKE KAZUYUKI , YAMAGUCHI SHUNICHIRO , YAMAMOTO TETSUYA
IPC分类号： G02B6/00 , G02B6/02 , G02B6/255 , G02B6/26 , G02B6/32
CPC分类号： G02B6/2552 , G02B6/02333 , G02B6/02347 , G02B6/262 , G02B6/32
摘要： PROBLEM TO BE SOLVED: To provide an optical transmission device using a photonic crystal fiber which can be connected in low connection loss. SOLUTION: The connection end part of a PC fiber 10 is fused by heating treatment and, thereby, a sealed part 15 made by sealing micro pores 12a, 12a, ... of a clad 12 is formed. Therein, the length L of the sealed part 15 is set by calculation from the conditions of incident angle θ[°] to the PC fiber of signal light 22, outside diameter D [μm] of the fiber, core diameter a[μm] of the fiber and refractive index (n) of the sealed part 15 etc. COPYRIGHT: (C)2005,JPO&NCIPI

7. 发明专利

JP2011133627A Antireflection film 有权
标题翻译：抗反射膜
公开(公告)号：JP2011133627A
公开(公告)日：2011-07-07
申请号：JP2009292194
申请日：2009-12-24
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： ISHIDA TOMOHIKO , YAMAMOTO TETSUYA , KOTO MASAHIRO
IPC分类号： G02B1/11 , C03C17/34 , C23C14/06
摘要： PROBLEM TO BE SOLVED: To improve laser resistance of an antireflection film while maintaining low reflecting property. SOLUTION: The antireflection film has a three-layer structure to be formed on an optical substrate 2a (32b) such as an optical fiber essentially comprising SiO 2 . The antireflection film includes a lower layer 41 formed on the optical substrate 2a (32b), an intermediate layer 42 formed on the lower layer 41, and an upper layer 43 formed on the intermediate layer 42. The intermediate layer 42 is formed by using Al 2 O 3 . The lower layer 41 can be formed by using Ta 2 O 5 , and the upper layer 43 can be formed by using SiO 2 . COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提高抗反射膜的激光电阻，同时保持低的反射性能。解决方案：防反射膜具有三层结构，以形成在诸如基本上包含SiO 2 SBR的光纤的光学基片2a（32b）上。防反射膜包括形成在光学基板2a（32b）上的下层41，形成在下层41上的中间层42和形成在中间层42上的上层43.中间层42通过使用Al 2 0 3 。下层41可以通过使用Ta SB 2 O SB 5而形成，并且上层43可以通过使用SiO 2 形成。版权所有（C）2011，JPO＆INPIT

8. 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

9. 发明专利

JP2010205926A Optical fiber device and method of manufacturing the same 审中-公开
标题翻译：光纤设备及其制造方法
公开(公告)号：JP2010205926A
公开(公告)日：2010-09-16
申请号：JP2009049720
申请日：2009-03-03
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： KIN SEICHIN , YAMAMOTO TETSUYA , ISHIDA TOMOHIKO
IPC分类号： H01S3/06 , G02B6/032 , G02B6/036 , G02B6/255 , G02B6/38
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber device which can be manufactured and repaired in expensively, and imparts an optical film or processed surface of more stable quality onto the end of a gain medium fiber. SOLUTION: An optical fiber of ≤500 nm in length is prepared as a terminal fiber 2, and formation of the optical film 4 on one end surface 2a thereof or surface processing is performed. Then the other end surface of the optical fiber is connected to an end surface 1A of the gain medium fiber 1 to obtain an optical fiber device as the terminal fiber 2. COPYRIGHT: (C)2010,JPO&INPIT

10. 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

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