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1. 发明专利

JP2009129988A Optical fiber laser and method of exciting the same 有权
标题翻译：光纤激光器及其相应的方法
公开(公告)号：JP2009129988A
公开(公告)日：2009-06-11
申请号：JP2007300861
申请日：2007-11-20
申请人： Hitachi Cable Ltd , Toyota Central R&D Labs Inc , Toyota Gakuen , Toyota Motor Corp , トヨタ自動車株式会社 , 学校法人トヨタ学園 , 日立電線株式会社 , 株式会社豊田中央研究所
发明人： KOJIMA MASATSUGU , YO HEI , OSONO KAZUMASA , HONGO AKISHI , SATO AKIO , YANAKA KOHEI , HASEGAWA KAZUO , INOUE DAISUKE , ITO HIROSHI , ICHIKAWA TADASHI , SAITO KAZUYA
IPC分类号： H01S3/06 , G02B6/02 , G02B6/04 , H01S3/094
CPC分类号： H01S3/06708 , H01S3/06745 , H01S3/094003 , H01S3/0941
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber laser capable of highly efficiently conducting a side excitation of a double clad fiber. SOLUTION: The optical fiber laser includes an optical fiber 21 having clads 23 in the periphery of a core 22 with rare-earth element added, and an excitation light source for entering the excitation light from the side surface of the optical fiber 21. The optical fiber 21 has a concavo-convex shape along the outer circumferential part of the clad 23 in a longitudinal direction, and the clads 23 are winded and focussed as their sides mutually contact. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供能够高效率地进行双包层光纤的侧激发的光纤激光器。解决方案：光纤激光器包括在添加有稀土元素的芯22的周围具有包层23的光纤21和用于从光纤21的侧表面输入激发光的激发光源光纤21沿着包层23的长度方向的外周部具有凹凸形状，并且当它们的侧面相互接触时，包层23卷绕并聚焦。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2009129989A Optical fiber for fiber laser and manufacturing method therefor, and fiber laser 审中-公开
标题翻译：光纤激光光纤及其制造方法及光纤激光
公开(公告)号：JP2009129989A
公开(公告)日：2009-06-11
申请号：JP2007300862
申请日：2007-11-20
申请人： Hitachi Cable Ltd , Toyota Central R&D Labs Inc , Toyota Gakuen , Toyota Motor Corp , トヨタ自動車株式会社 , 学校法人トヨタ学園 , 日立電線株式会社 , 株式会社豊田中央研究所
发明人： YO HEI , KOJIMA MASATSUGU , OSONO KAZUMASA , HONGO AKISHI , SATO AKIO , YANAKA KOHEI , HASEGAWA KAZUO , INOUE DAISUKE , ITO HIROSHI , ICHIKAWA TADASHI , SAITO KAZUYA
IPC分类号： H01S3/06 , G02B6/02 , H01S3/10
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber for a fiber laser, capable of obtaining a high output for laser light, by preventing a rise in temperature of an optical fiber in the fiber laser. SOLUTION: The optical fiber 1 for the fiber laser is provided with a rare-earth-doped core 2 added with a rare-earth element, and a clad 3 formed around the rare-earth-doped core 2, wherein an excitation light Le is incident into the clad 3 to excite the rare-earth element and high-output laser oscillation light L is outputted. In the optical fiber 1, the rare-earth-doped core 2 has an outer dimension ratio different in the longitudinal direction from that of the clad 3. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过防止光纤激光器中的光纤的温度升高，提供能够获得激光的高输出的光纤激光器的光纤。解决方案：用于光纤激光器的光纤1设置有添加有稀土元素的稀土掺杂芯2和在稀土掺杂芯2周围形成的包层3，其中激发光Le入射到包层3中以激发稀土元素，并输出高输出激光振荡光L。在光纤1中，稀土掺杂型芯2的长度方向的外径尺寸比包层3的长度方向不同。（C）2009，JPO＆INPIT

3. 发明专利

JP2009129987A Optical fiber laser 审中-公开
标题翻译：光纤激光
公开(公告)号：JP2009129987A
公开(公告)日：2009-06-11
申请号：JP2007300860
申请日：2007-11-20
申请人： Hitachi Cable Ltd , Toyota Central R&D Labs Inc , Toyota Gakuen , Toyota Motor Corp , トヨタ自動車株式会社 , 学校法人トヨタ学園 , 日立電線株式会社 , 株式会社豊田中央研究所
发明人： YO HEI , KOJIMA MASATSUGU , OSONO KAZUMASA , HONGO AKISHI , SATO AKIO , YANAKA KOHEI , HASEGAWA KAZUO , INOUE DAISUKE , ITO HIROSHI , ICHIKAWA TADASHI , SAITO KAZUYA
IPC分类号： H01S3/06 , G02B6/02
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber laser capable of easily controlling the absorption characteristics of the exciting light along the longitudinal direction of an optical fiber, planarizing the temperature distribution along the longitudinal direction of the optical fiber, and suppressing the generation of skew rays. SOLUTION: The optical fiber laser has an optical fiber 2 having a clad consisting of two layers around a core doped with a rare-earth element; photocouplers connected to an end of the optical fiber 2; and a plurality of light sources for making an exciting light become incident to the cladding via the photocouplers. The optical fiber 2 has an exciting portion 3, which is wound so as to differentiate the loss in absorption of an exciting light in the longitudinal direction. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供能够容易地控制沿着光纤的长度方向的激发光的吸收特性的光纤激光器，使沿着光纤的长度方向的温度分布平坦化，并且抑制产生歪斜光线。解决方案：光纤激光器具有光纤2，光纤2具有由掺杂有稀土元素的芯周围的两层组成的包层; 光电耦合器连接到光纤2的一端; 并且用于使激发光的多个光源通过光电耦合器入射到包层。光纤2具有激励部3，其被卷绕以便区分激励光在纵向上的吸收损失。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2009047979A Optical wave guide type optical coupling mechanism 有权
标题翻译：光波导型光耦合机构
公开(公告)号：JP2009047979A
公开(公告)日：2009-03-05
申请号：JP2007214652
申请日：2007-08-21
申请人： Hitachi Cable Ltd , Toyota Central R&D Labs Inc , Toyota Gakuen , Toyota Motor Corp , トヨタ自動車株式会社 , 学校法人トヨタ学園 , 日立電線株式会社 , 株式会社豊田中央研究所
发明人： KOJIMA MASATSUGU , HONGO AKISHI , OSONO KAZUMASA , YO HEI , SATO AKIO , YANAKA KOHEI , HASEGAWA KAZUO , INOUE DAISUKE , ITO HIROSHI , ICHIKAWA TADASHI , SAITO KAZUYA
IPC分类号： G02B6/42 , G02B6/122 , G02B6/30 , H01S5/022
CPC分类号： G02B6/4204 , G02B6/4296 , H01S3/06729 , H01S3/06754 , H01S3/094019 , H01S3/094057 , H01S3/09415
摘要： PROBLEM TO BE SOLVED: To provide an optical wave guide type optical coupling mechanism which can efficiently input the laser beam from a laser bar to an optical fiber in a simple configuration. SOLUTION: This optical coupling mechanism has a semiconductor laser bar 10, an optical wave guide 20 composed of a core 21 guiding the light emitted from the light emitting elements 11 of this semiconductor laser bar 10, and a clad 22 formed around this core 21; and an optical fiber 30 composed of a core 31 and a clad 32 formed around it to confine the light in the core 31. The optical wave guide 20 is connected to the side of the optical fiber 30 and the light emitted from the semiconductor laser bar 10 enters the side of the core 31 of the optical fiber 30 through the core 21 of the optical wave guide 20. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供一种光波导型光耦合机构，其可以以简单的配置有效地将激光束的激光束输入到光纤。解决方案：该光耦合机构具有半导体激光棒10，由引导从该半导体激光棒10的发光元件11发射的光的芯21和围绕该半导体激光棒10形成的包层22构成的光波导20。核心21; 以及由芯31和形成在其周围的包层32组成的光纤30，以将光限制在芯31中。光波导20连接到光纤30的侧面，并且从半导体激光棒发射的光 10通过光波导20的芯21进入光纤30的芯31的侧面。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2008308361A Optical fiber and its production method 有权
标题翻译：光纤及其生产方法
公开(公告)号：JP2008308361A
公开(公告)日：2008-12-25
申请号：JP2007157510
申请日：2007-06-14
申请人： Hitachi Cable Ltd , Toyota Gakuen , Toyota Motor Corp , トヨタ自動車株式会社 , 学校法人トヨタ学園 , 日立電線株式会社
发明人： HONGO AKISHI , OSONO KAZUMASA , KOJIMA MASATSUGU , YO HEI , SAITO KAZUYA , SATO AKIO , YANAKA KOHEI
IPC分类号： C03B37/027 , C03B37/029 , H01S3/06
CPC分类号： C03B37/02727
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber whose conversion efficiency is not lowered by a thermal effect (heat dispersion) and a nonlinear effect and which has optimum absorption characteristics and to provide its producing method. SOLUTION: The optical fiber 1 comprises: a core 2 added with a rare earth element which acts as a gain medium; and a clad 3 formed on the outer periphery of the core 2, wherein the fictive temperature of the core 2 is 1,500°C or lower. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种通过热效应（热分散）和非线性效应而不降低其转换效率并且具有最佳吸收特性并提供其制造方法的光纤。解决方案：光纤1包括：添加有用作增益介质的稀土元素的芯2; 以及形成在芯2的外周上的包层3，其中芯2的假想温度为1500℃以下。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2008273769A Optical fiber, its manufacturing method, and optical fiber manufacturing apparatus 审中-公开
标题翻译：光纤，其制造方法和光纤制造设备
公开(公告)号：JP2008273769A
公开(公告)日：2008-11-13
申请号：JP2007117277
申请日：2007-04-26
申请人： Hitachi Cable Ltd , Toyota Gakuen , 学校法人トヨタ学園 , 日立電線株式会社
发明人： KOJIMA MASATSUGU , HONGO AKISHI , OSONO KAZUMASA , YO HEI , SAITO KAZUYA
IPC分类号： C03B37/12 , C03B37/15 , G02B6/02
CPC分类号： G02B6/02066 , C03B37/027 , C03B2203/18 , C03B2205/20 , G02B6/03622 , G02B2006/02157 , H01S3/06729 , H01S3/06745 , H01S3/094007
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber capable of efficiently coupling an excited light into a gain core without optimizing the geometric structure of sectional shape of the optical fiber and the installed shape of the optical fiber. SOLUTION: The optical fiber 1 is equipped with a core 2 to which a rare-earth element as a gain medium is added and a clad 3 which is formed at the outer periphery of the core 2 and couples an excited light propagated in the clad 3 into the core 2, wherein the clad 3 has an uneven shape along the longitudinal direction of the clad 3. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够有效地将激发光耦合到增益芯中的光纤，而不优化光纤的截面形状的几何结构和光纤的安装形状。解决方案：光纤1配备有作为增益介质的稀土元素的核心2和在核心2的外周形成的包层3，并且耦合在包层3形成芯2，其中包层3沿着包层3的纵向具有不均匀的形状。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2005140752A Impact sensor 审中-公开
标题翻译：冲击传感器
公开(公告)号：JP2005140752A
公开(公告)日：2005-06-02
申请号：JP2003380262
申请日：2003-11-10
申请人： Hitachi Cable Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 日立電線株式会社
发明人： KOJIMA MASATSUGU , FUKUSHI MORIHISA , TAKAHASHI HIROYUKI , IENAKA RYUTARO
IPC分类号： G01L1/24 , G01D5/26 , G01D5/353 , G01L5/00 , G01M11/00
CPC分类号： G01L1/242
摘要： PROBLEM TO BE SOLVED: To provide an impact sensor, of which the optical fiber is unlikely to disconnect and which is capable of detecting even a trace amount of impact.
SOLUTION: In the impact sensor for detecting impacts, on the basis of changes in the quantity of light transmitted through the optical fiber due to impact, the optical fiber 1 is constituted, by arranging a silicon-based resin core 21 in a fluorocarbon-based cladding 22. The optical fiber 1 is unlikely to be cut due to impact but tends to be deformed, even if the impact is small.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种冲击传感器，其中光纤不可能断开并且甚至能够检测到微量的冲击。解决方案：在用于检测冲击的冲击传感器中，基于由于冲击而透过光纤的光量的变化，光纤1通过将硅基树脂芯21布置在氟树脂基包层22.光纤1由于冲击而不太可能被切割，但即使冲击小，也容易变形。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2014115327A Heat-resistant simple light guide 审中-公开
标题翻译：耐热简单指南
公开(公告)号：JP2014115327A
公开(公告)日：2014-06-26
申请号：JP2012267292
申请日：2012-12-06
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： NAMEKAWA YOSHIKAZU , HIYAMA TOMOKAZU , KOJIMA MASATSUGU
IPC分类号： G02B6/12 , G02B6/122
摘要： PROBLEM TO BE SOLVED: To provide a heat-resistant simple light guide that is inexpensive and has high heat resistance.SOLUTION: The heat-resistant simple light guide includes a plurality of cores made of quartz glass, and a heat-resistant low refractive index resin layer for collectively covering the cores. Preferably, the heat-resistant low refractive index resin layer is made of fluororesin. Preferably, the fluororesin is an ultraviolet curable fluoride acrylate resin.
摘要翻译：要解决的问题：提供廉价且耐热性高的耐热简单光导。解决方案：耐热简单导光体包括由石英玻璃制成的多个芯和耐热低折射率用于集体覆盖芯的树脂层。优选地，耐热低折射率树脂层由氟树脂制成。优选地，氟树脂是紫外线固化氟化丙烯酸酯树脂。

9. 发明专利

JP2011054415A Composite cable 审中-公开
标题翻译：复合电缆
公开(公告)号：JP2011054415A
公开(公告)日：2011-03-17
申请号：JP2009202185
申请日：2009-09-02
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： NAMEKAWA YOSHIKAZU , KOJIMA MASATSUGU , SUZUKI KANAKO
IPC分类号： H01B11/22 , G02B6/44
摘要： PROBLEM TO BE SOLVED: To provide a composite cable that prevents generation of transmission loss caused by bending of an optical fiber even when the composite cable is laid at a location where the cable is bent, and is suitable for transmitting signals with high capacity such as digital signals at high speed. SOLUTION: The composite cable is formed by collectively covering a strand made by twisting a plurality of insulated core wires having insulating covers on conductors, and the tape-shaped optical fiber formed by arranging a plurality of optical fibers in parallel with one another with a collective covering member, and the composite cable has an approximately rectangular cross sectional shape. Relationship between a thickness D (mm) of the collective covering member and an outer diameter d (mm) of a clad of the optical fiber satisfies an expression D/d≥30. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种复合电缆，即使当复合电缆放置在电缆弯曲的位置时，也可防止由光纤的弯曲引起的传输损耗的产生，并且适合于传输高信号的信号容量如高速数字信号。解决方案：复合电缆通过共同覆盖通过扭绞多个导体上具有绝缘盖的绝缘芯线制成的线而形成，并且通过彼此并联布置多个光纤而形成的带状光纤具有集体覆盖构件，并且复合电缆具有大致矩形的横截面形状。集体覆盖部件的厚度D（mm）与光纤的包层的外径d（mm）之间的关系满足表达式D /d≥30。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2010267567A Composite cable 有权
标题翻译：复合电缆
公开(公告)号：JP2010267567A
公开(公告)日：2010-11-25
申请号：JP2009119594
申请日：2009-05-18
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： KOJIMA MASATSUGU , SUZUKI KANAKO , NAMEKAWA YOSHIKAZU
IPC分类号： H01B11/22 , G02B6/44 , H01B11/00
摘要： PROBLEM TO BE SOLVED: To provide a composite cable that prevents generation of transmission loss caused by bending of an optical fiber, even when the composite cable is laid at a location where bending is added, and is suitable for transmitting signals with high capacity such as digital signals at high speed.
SOLUTION: In the composite cable 1 wherein a strand 2 made by twisting a plurality of insulated core wires 2a having insulating covers on conductors and the tape-shaped optical fiber 3 arranging a plurality of optical fibers 3a in parallel are collectively covered by a collective coating member 5, the collective coating member 5 is arranged with a gap 4 between at least one side face of a pair of side faces facing by locating in a thickness direction of the collective coating member and the tape-shaped optical fiber.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种组合电缆，其防止由于光纤的弯曲而产生的传输损耗，即使复合电缆放置在添加弯曲的位置，并且适合于传输高信号的信号容量如高速数字信号。解决方案：在复合电缆1中，其中通过在导体上具有绝缘盖的扭绞多个绝缘芯线2a和平行布置多个光纤3a的带状光纤3制成的绞合线2共同被覆盖集体涂敷部件5在一对侧面的至少一个侧面与面状的集合涂敷部件的厚度方向相对配置有间隙4。版权所有（C）2011，JPO＆INPIT

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