公开(公告)号：US09052432B2

公开(公告)日：2015-06-09

申请号：US13545270

申请日：2012-07-10

申请人： Bing Yao ,  Kazumasa Ohsono ,  Noribumi Shiina

发明人： Bing Yao ,  Kazumasa Ohsono ,  Noribumi Shiina

IPC分类号： G02B6/02

CPC分类号： G02B6/02042 ,  G02B6/02357

摘要： A multicore fiber includes cores located at vertexes of a polygonal ring and a cladding including sub medium regions and covering the cores. A refractive index of the cladding is lower than a refractive index of the cores and higher than a refractive index of the sub medium regions. The sub medium regions are arranged at positions to reduce a crosstalk between adjacent cores of the cores.

摘要翻译： 多芯光纤包括位于多边形环的顶点处的芯和包括子介质区域并覆盖芯的包层。 包层的折射率低于芯的折射率，高于副介质区域的折射率。 子介质区域被布置在位置以减小相邻核心之间的串扰。

公开(公告)号：US20090052476A1

公开(公告)日：2009-02-26

申请号：US12222239

申请日：2008-08-05

申请人： Bing Yao ,  Seiji Kojima ,  Kazumasa Ohsono ,  Akihito Hongo

发明人： Bing Yao ,  Seiji Kojima ,  Kazumasa Ohsono ,  Akihito Hongo

IPC分类号： G02B6/02 ,  H01S3/30 ,  B29D11/00

CPC分类号： H01S3/0675 ,  G02B6/02347 ,  H01S3/06729 ,  H01S3/06741 ,  H01S3/08045 ,  H01S3/094011 ,  H01S3/0941 ,  H01S3/1618

摘要： The optical fiber 1 for an optical fiber laser is provided with a rare earth element doped core 2 doped with a rare earth element, a cladding 3 formed at an outer periphery of the rare earth element doped core 2, a core vicinity part 3′ of the cladding 3 provided in vicinity of the rare earth element doped core 2 being doped with a refractive index increasing agent which reduces a relative refractive index difference between the core vicinity part 3′ and the rare earth element doped core 2 to be 0.1% or less.

摘要翻译： 用于光纤激光器的光纤1设置有掺杂有稀土元素的稀土元素掺杂芯2，在稀土元素掺杂芯2的外周形成的包层3，芯附近部3' 设置在稀土元素掺杂芯2附近的包层3掺杂有折射率增加剂，其将芯部附近部分3'和稀土元素掺杂芯2之间的相对折射率差减小到0.1％以下 。

公开(公告)号：US20080253726A1

公开(公告)日：2008-10-16

申请号：US12073411

申请日：2008-03-05

申请人： Yoshinori Kurosawa ,  Bing Yao ,  Kazumasa Ohsono ,  Masao Tachikura ,  Hisanori Nakai ,  Toshio Kurashima ,  Eiji Araki ,  Katumi Hiramatu

发明人： Yoshinori Kurosawa ,  Bing Yao ,  Kazumasa Ohsono ,  Masao Tachikura ,  Hisanori Nakai ,  Toshio Kurashima ,  Eiji Araki ,  Katumi Hiramatu

IPC分类号： G02B6/02

CPC分类号： G02B6/02347 ,  G02B6/02 ,  G02B6/02328 ,  G02B6/02366 ,  G02B6/02385 ,  G02B6/255 ,  G02B6/3652 ,  G02B6/381 ,  G02B6/382

摘要： An optical fiber which, at an optical fiber connecting end having a plurality of voids around the periphery of a core, has a light-permeable substance, such as a resin or glass whose refractive index is lower than that of quartz type substances, filled in the voids adjacent to the connecting end. An optical fiber connecting section where an optical fiber having a plurality of voids in a clad around the periphery of a core is connected to another optical fiber, wherein the optical fiber is connected end-to-end to aforesaid another optical fiber through a refractive index matching agent whose refractive index at the minimum temperature in actual use is lower than that of the core.

摘要翻译： 一种光纤，其在具有围绕芯周围的多个空隙的光纤连接端具有透光性物质，例如树脂或玻璃，其折射率低于石英类物质的折射率 与连接端相邻的空隙。 一种光纤连接部分，其中在芯周围的包层中具有多个空隙的光纤连接到另一光纤，其中光纤通过折射率端对端连接到前述另一光纤 匹配剂，其实际使用的最低温度的折射率低于核心的折射率。

公开(公告)号：US20080192778A1

公开(公告)日：2008-08-14

申请号：US11987668

申请日：2007-12-03

申请人： Kazumasa Ohsono ,  Akihito Hongo ,  Seiji Kojima ,  Bing Yao

发明人： Kazumasa Ohsono ,  Akihito Hongo ,  Seiji Kojima ,  Bing Yao

IPC分类号： H01S3/067 ,  G02B6/036

CPC分类号： G02B6/02 ,  A61B2018/2222 ,  B23K26/0626 ,  C03C3/06 ,  C03C25/1063 ,  C03C25/12 ,  G02B6/02347 ,  G02B6/02395 ,  H01S3/06729 ,  H01S3/06741 ,  H01S3/0675 ,  H01S3/094007 ,  H01S3/09415 ,  H01S3/1022

摘要： A cladding is provided at an outer periphery of a solid-core doped with rare earth ions, and a metal layer is formed to be adjacent to the cladding to provide an optical fiber for a fiber laser device. The metal layer having an inner metal layer and an outer metal layer is disposed along an entire length of the optical fiber for a fiber laser device. An exciting light is incident to the optical fiber for a fiber laser device, and the exciting light is reflection-excited to emit a high power laser oscillation light. A monitoring current is constantly flown into the metal layer. When the disconnection of the optical fiber for a fiber laser device is detected based on the monitoring current, the energization of the optical fiber for a fiber laser device is stopped.

摘要翻译： 在掺杂有稀土离子的固体的外周设置包层，并且形成与包层相邻的金属层，以提供用于光纤激光器件的光纤。 具有内金属层和外金属层的金属层沿着用于光纤激光器件的光纤的整个长度设置。 入射到光纤激光器件的光纤的激发光，并且激发光被反射激发以发射高功率的激光振荡光。 监测电流不断地流入金属层。 当基于监视电流检测到用于光纤激光器件的光纤的断开时，光纤激光器件的光纤的通电被停止。

公开(公告)号：US20070189340A1

公开(公告)日：2007-08-16

申请号：US11702190

申请日：2007-02-05

申请人： Akihito Hongo ,  Kazumasa Ohsono ,  Bing Yao

发明人： Akihito Hongo ,  Kazumasa Ohsono ,  Bing Yao

IPC分类号： H01S3/30

CPC分类号： H01S3/094003 ,  H01S3/06704 ,  H01S3/06708

摘要： To provide a low-cost, high reliability and high-powered operation enabled optical fiber laser, in the optical fiber laser for oscillating a laser light by introducing an excitation light for exciting the rare earth elements into the optical fiber doped partially by the rare earth elements, the optical fiber is wrapped around the base member, and one part of the outer circumferential area of the wrapped optical fiber is processed in order to form a flat surface, and one face of the prism is made contacted to the flat surface, and the excitation light is introduced to another surface of the prism.

摘要翻译： 为了提供低成本，高可靠性和高功率运行的光纤激光器，在用于通过引入用于将稀土元素激发到由稀土部分掺杂的光纤中的激发光来振荡激光的光纤激光器 元件，光纤被包围在基底构件上，并且包裹的光纤的外周区域的一部分被加工以形成平坦表面，并且使棱镜的一个面与平坦表面接触，并且 激发光被引入棱镜的另一个表面。

公开(公告)号：US07903695B2

公开(公告)日：2011-03-08

申请号：US12274463

申请日：2008-11-20

申请人： Seiji Kojima ,  Bing Yao ,  Kazumasa Ohsono ,  Akihito Hongo ,  Akio Sato ,  Kohei Yanaka ,  Kazuo Hasegawa ,  Daisuke Inoue ,  Hiroshi Ito ,  Tadashi Ichikawa ,  Kazuya Saito

发明人： Seiji Kojima ,  Bing Yao ,  Kazumasa Ohsono ,  Akihito Hongo ,  Akio Sato ,  Kohei Yanaka ,  Kazuo Hasegawa ,  Daisuke Inoue ,  Hiroshi Ito ,  Tadashi Ichikawa ,  Kazuya Saito

IPC分类号： H01S3/30

CPC分类号： H01S3/06708 ,  H01S3/06745 ,  H01S3/094003 ,  H01S3/0941

摘要： An optical fiber laser, according to the present invention, has an optical fiber including a core to which a rare earth element is added and a clad disposed around the core, and also has an excitation light source for emitting excitation light incident on a side of the optical fiber. The optical fiber has a corrugated shape on the outer circumference of the clad along the longitudinal direction thereof; and the optical fiber is wound in a spiral form and is bundled in such a way that adjacent sides of the clad are brought into contact with one another.

摘要翻译： 根据本发明的光纤激光器具有包括添加有稀土元素的芯和围绕芯设置的包层的光纤，并且还具有用于发射入射在芯的侧面上的激发光的激发光源 光纤。 光纤在其包层的外周沿其长度方向具有波纹形状; 并且光纤被卷绕成螺旋形状并且被捆扎成使得包层的相邻侧彼此接触的方式。

公开(公告)号：US07813386B2

公开(公告)日：2010-10-12

申请号：US12219696

申请日：2008-07-25

申请人： Bing Yao ,  Seiji Kojima ,  Kazumasa Ohsono ,  Akihito Hongo

发明人： Bing Yao ,  Seiji Kojima ,  Kazumasa Ohsono ,  Akihito Hongo

IPC分类号： H01S3/30

CPC分类号： H01S3/06716 ,  H01S3/0672

摘要： The optical fiber 1 for an optical fiber laser is provided with a rare earth element doped core 2 doped with a rare earth element, and a cladding 3 formed at an outer periphery of the rare earth element doped core 2. In the optical fiber 1 for an optical fiber laser, the rare earth element doped core 2 is divided into a plurality of core regions 2a, 2b, . . . , 2n−1, 2n along a longitudinal direction of the optical fiber 1 and dopant concentrations of the rare earth element in respective core regions 2a, 2b, . . . , 2n−1, 2n are different from each other, in order to flatten a temperature distribution of the optical fiber 1 along the longitudinal direction.

摘要翻译： 用于光纤激光器的光纤1设置有掺杂有稀土元素的稀土元素掺杂芯2和形成在稀土元素掺杂芯2的外周的包层3。在用于 光纤激光器，稀土元素掺杂芯2被分成多个核心区域2a，2b。 。 。 ，2n-1，2n沿着光纤1的长度方向和稀土元素的掺杂浓度。 。 。 为了使光纤1的长度方向的温度分布变平坦，2n-1，2n彼此不同。

公开(公告)号：US07769058B2

公开(公告)日：2010-08-03

申请号：US11702190

申请日：2007-02-05

申请人： Akihito Hongo ,  Kazumasa Ohsono ,  Bing Yao

发明人： Akihito Hongo ,  Kazumasa Ohsono ,  Bing Yao

IPC分类号： H01S3/30

CPC分类号： H01S3/094003 ,  H01S3/06704 ,  H01S3/06708

摘要： To provide a low-cost, high reliability and high-powered operation enabled optical fiber laser, in the optical fiber laser for oscillating a laser light by introducing an excitation light for exciting the rare earth elements into the optical fiber doped partially by the rare earth elements, the optical fiber is wrapped around the base member, and one part of the outer circumferential area of the wrapped optical fiber is processed in order to form a flat surface, and one face of the prism is made contacted to the flat surface, and the excitation light is introduced to another surface of the prism.

摘要翻译： 为了提供低成本，高可靠性和高功率运行的光纤激光器，在用于通过引入用于将稀土元素激发到由稀土部分掺杂的光纤中的激发光来振荡激光的光纤激光器 元件，光纤被包围在基底构件上，并且包裹的光纤的外周区域的一部分被加工以形成平坦表面，并且使棱镜的一个面与平坦表面接触，并且 激发光被引入棱镜的另一个表面。

公开(公告)号：US07583877B2

公开(公告)日：2009-09-01

申请号：US12068083

申请日：2008-02-01

申请人： Kanako Suzuki ,  Bing Yao ,  Kazumasa Ohsono ,  Yoshihisa Kato

发明人： Kanako Suzuki ,  Bing Yao ,  Kazumasa Ohsono ,  Yoshihisa Kato

IPC分类号： G02B6/02

CPC分类号： G02B6/02361 ,  G02B6/02376 ,  G02B6/02385 ,  G02B6/3806 ,  G02B6/381

摘要： An optical fiber includes a core, a clad having a plurality of air holes at a periphery of the core, and a hardening resin filled in a sealed portion at an end of the plurality of air holes. The hardening resin after hardening has a fill length of 7 mm to 8 mm. An optical fiber connection structure includes the optical fiber with an end face butt-connected to another optical fiber. An optical connector includes the optical fiber, and a ferrule to which the optical fiber is attached.

摘要翻译： 光纤包括芯，在芯的周围具有多个气孔的包层，以及填充在多个气孔的端部的密封部分的硬化树脂。 硬化后的硬化树脂的填充长度为7mm〜8mm。 光纤连接结构包括具有与另一光纤对接的端面的光纤。 光连接器包括光纤和光纤所附接的套圈。

公开(公告)号：US20090129411A1

公开(公告)日：2009-05-21

申请号：US12274463

申请日：2008-11-20

申请人： Seiji Kojima ,  Bing Yao ,  Kazumasa Ohsono ,  Akihito Hongo ,  Akio Sato ,  Kohei Yanaka ,  Kazuo Hasegawa ,  Daisuke Inoue ,  Hiroshi Ito ,  Tadashi Ichikawa ,  Kazuya Saito

发明人： Seiji Kojima ,  Bing Yao ,  Kazumasa Ohsono ,  Akihito Hongo ,  Akio Sato ,  Kohei Yanaka ,  Kazuo Hasegawa ,  Daisuke Inoue ,  Hiroshi Ito ,  Tadashi Ichikawa ,  Kazuya Saito

IPC分类号： H01S3/091 ,  H01S3/30

CPC分类号： H01S3/06708 ,  H01S3/06745 ,  H01S3/094003 ,  H01S3/0941

摘要： An optical fiber laser, according to the present invention, has an optical fiber including a core to which a rare earth element is added and a clad disposed around the core, and also has an excitation light source for emitting excitation light incident on a side of the optical fiber. The optical fiber has a corrugated shape on the outer circumference of the clad along the longitudinal direction thereof; and the optical fiber is wound in a spiral form and is bundled in such a way that adjacent sides of the clad are brought into contact with one another.

摘要翻译： 根据本发明的光纤激光器具有包括添加有稀土元素的芯和围绕芯设置的包层的光纤，并且还具有用于发射入射在芯的侧面上的激发光的激发光源 光纤。 光纤在其包层的外周沿其长度方向具有波纹形状; 并且光纤被卷绕成螺旋形状并且被捆扎成使得包层的相邻侧彼此接触的方式。