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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

JP2010103223A Fiber for fiber laser and method of manufacturing the same, and fiber laser 有权
标题翻译：用于光纤激光的光纤及其制造方法和光纤激光器
公开(公告)号：JP2010103223A
公开(公告)日：2010-05-06
申请号：JP2008271808
申请日：2008-10-22
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： SAITO KAZUYA , YO HEI , HONGO AKISHI , OSONO KAZUMASA , SATO AKIO , YANAKA KOHEI
IPC分类号： H01S3/06 , C03B37/12
CPC分类号： C03B37/027 , C03B2205/20
摘要： PROBLEM TO BE SOLVED: To provide a fiber for a fiber laser capable of acquiring a high output laser beam without increasing an additive concentration of a rare earth element. SOLUTION: The fiber 1 for the fiber laser includes: a core 2 with the rare earth element added; and a clad 3 formed at the outer circumference of the core 2. The core 2 has a fictive temperature of 1,720 to 2,000°C. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在不增加稀土元素的添加剂浓度的情况下获得高输出激光束的光纤激光器的光纤。解决方案：用于光纤激光器的光纤1包括：添加有稀土元素的芯2; 以及形成在芯体2的外周的包层3。芯部2的假想温度为1720〜2000℃。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2010003895A Optical fiber for fiber laser, and fiber laser using the same 审中-公开
标题翻译：光纤激光用光纤，使用该光纤激光
公开(公告)号：JP2010003895A
公开(公告)日：2010-01-07
申请号：JP2008161642
申请日：2008-06-20
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： YO HEI , OSONO KAZUMASA , HONGO AKISHI , SAITO KAZUYA , SATO AKIO , YANAKA KOHEI
IPC分类号： H01S3/06 , H01S3/094 , H01S3/10
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber for a fiber laser having high quality and high optical output, and being capable of providing output light in a single mode, and to provide a fiber laser. SOLUTION: This optical fiber 11 for a fiber laser oscillating laser light by amplifying an excitation light comprises: an optical fiber 2, having a core with a rare-earth element added therein and a cladding formed around the core; and a mode filter 6 arranged at a tip part of the optical fiber 2. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有高质量和高光输出的光纤激光器的光纤，并且能够以单一模式提供输出光并提供光纤激光器。解决方案：用于通过放大激发光激发振荡激光的光纤激光光纤11包括：光纤2，其中添加有稀土元素的芯和围绕芯形成的包层; 以及布置在光纤2的尖端部分的模式滤波器6.版权所有（C）2010，JPO＆INPIT

7. 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

8. 发明专利

JP2010129886A Optical fiber for fiber laser, and fiber laser 审中-公开
标题翻译：光纤激光光纤，光纤激光
公开(公告)号：JP2010129886A
公开(公告)日：2010-06-10
申请号：JP2008304794
申请日：2008-11-28
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： YO HEI , OSONO KAZUMASA , HONGO AKISHI , SAITO KAZUYA , SATO AKIO , YANAKA KOHEI
IPC分类号： H01S3/06 , G02B6/00 , G02B6/032
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber for a fiber laser that actualizes a fiber laser of high beam quality and high output by suppressing induced Raman scattering. SOLUTION: The optical fiber for the fiber laser is composed of: an optical fiber 4 having a clad 3 formed around a core 2 to which a rare earth element is added; and a photonic band gap fiber 6 disposed at a predetermined position of the optical fiber 4 and having a clad 8 with a plurality of holes 33b formed around a hollow core 7. The photonic band gap fiber 6 has a band gap including the wavelength of laser light L1 propagated in the optical fiber 4 and not including the wavelength of Raman scattered light generated when the laser light L1 is propagated. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种通过抑制诱导拉曼散射来实现高光束质量和高输出的光纤激光器的光纤激光器的光纤。解决方案：用于光纤激光器的光纤由以下部分组成：光纤4，其具有围绕添加有稀土元素的芯2形成的包层3; 以及设置在光纤4的预定位置处的光子带隙光纤6，并且具有包围8，该包层8具有围绕中空核心7形成的多个孔33b。光子带隙光纤6具有包括激光波长的带隙光L1在光纤4中传播，并且不包括当激光L1传播时产生的拉曼散射光的波长。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2010003896A Optical fiber for fiber laser, and fiber laser using the same 审中-公开
标题翻译：光纤激光用光纤，使用该光纤激光
公开(公告)号：JP2010003896A
公开(公告)日：2010-01-07
申请号：JP2008161643
申请日：2008-06-20
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： YO HEI , OSONO KAZUMASA , HONGO AKISHI , SAITO KAZUYA , SATO AKIO , YANAKA KOHEI
IPC分类号： H01S3/06 , G02B6/00 , G02B6/032
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber for a fiber laser having high quality and high optical output, and capable of providing laser light in a single mode, and to provide a fiber laser. SOLUTION: In this optical fiber 2 for a fiber laser provided with a core with a rare-earth element added therein, and a cladding formed around the core and having a plurality of holes, and used for oscillating laser light by amplifying excitation light, a mode filter 6 is formed at a predetermined position in a longitudinal direction. COPYRIGHT: (C)2010,JPO&INPIT

10. 发明专利

JP2006243228A Method of forming optical waveguide 有权
标题翻译：形成光波导的方法
公开(公告)号：JP2006243228A
公开(公告)日：2006-09-14
申请号：JP2005057169
申请日：2005-03-02
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： HIROSE TOMOHIRO , SAITO KAZUYA , IKUSHIMA AKIRA , OSONO KAZUMASA , KUROSAWA YOSHINORI
IPC分类号： G02B6/13
摘要： PROBLEM TO BE SOLVED: To provide a method of forming optical waveguide by which a manufacturing process is simplified and an optical waveguide having low loss is formed. SOLUTION: The method of forming the optical waveguide for forming the optical waveguide 15 is composed of a high refractive index core 17 and a low refractive index clad 16 on a glass substrate 11. A silica glass thin film 12 having a refractive index higher than that of the silica glass substrate 11 is formed on the silica glass substrate 11 by using a physical vapor deposition method, an optional part of the silica glass thin film 12 is locally heated, the heated part is formed on the clad 16, and unheated part is formed on the core 17. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种形成光波导的方法，通过该方法简化制造工艺，并且形成具有低损耗的光波导。解决方案：形成用于形成光波导15的光波导的方法由玻璃基板11上的高折射率芯17和低折射率包层16构成。具有折射率的石英玻璃薄膜12 通过使用物理气相沉积法在石英玻璃基板11上形成高于石英玻璃基板11的玻璃基板11，局部加热二氧化硅玻璃薄膜12的任意部分，在包层16上形成加热部，未加热部分形成在芯部17上。版权所有（C）2006，JPO＆NCIPI

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