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1. 发明申请

US20080018989A1 OPTICAL PUMPING DEVICE, OPTICAL AMPLIFIER, FIBER LASER, AND MULTICORE FIBER FOR OPTICAL PUMPING DEVICE 有权
标题翻译：光学泵浦装置，光学放大器，光纤激光器和用于光泵装置的多光纤
公开(公告)号：US20080018989A1
公开(公告)日：2008-01-24
申请号：US11696620
申请日：2007-04-04
申请人： Shoji Tanigawa , Hironori Tanaka , Manabu Saito , Tetsuya Sakai , Tomoharu Kitabayashi
发明人： Shoji Tanigawa , Hironori Tanaka , Manabu Saito , Tetsuya Sakai , Tomoharu Kitabayashi
IPC分类号： H04B10/12
CPC分类号： H01S3/06716 , G02B6/02042 , G02B6/2804 , H01S3/06729 , H01S3/06745 , H01S3/06754 , H01S3/094007 , H01S3/094053
摘要： An optical pumping device is provided in which a multi-core fiber obtained by bundling up a plurality of optical fibers, which are input ports, and a double clad fiber for optical pumping are spliced through a bridge fiber composed of a double clad fiber having a tapered shape. Accordingly, it is possible to efficiently couple signal light and pumping light to the double clad fiber for optical pumping.
摘要翻译：提供了一种光泵装置，其中通过捆扎作为输入端口的多个光纤而获得的多芯光纤和用于光泵浦的双包层光纤通过由具有锥形。因此，可以将信号光和泵浦光有效地耦合到用于光泵浦的双包层光纤。

2. 发明授权

US07840107B2 Optical pumping device, optical amplifier, fiber laser, and multicore fiber for optical pumping device 有权
标题翻译：光泵浦装置，光放大器，光纤激光器和用于光泵装置的多芯光纤
公开(公告)号：US07840107B2
公开(公告)日：2010-11-23
申请号：US11696620
申请日：2007-04-04
申请人： Shoji Tanigawa , Hironori Tanaka , Manabu Saito , Tetsuya Sakai , Tomoharu Kitabayashi
发明人： Shoji Tanigawa , Hironori Tanaka , Manabu Saito , Tetsuya Sakai , Tomoharu Kitabayashi
IPC分类号： G02B6/26 , G02B6/287 , H04B10/17
CPC分类号： H01S3/06716 , G02B6/02042 , G02B6/2804 , H01S3/06729 , H01S3/06745 , H01S3/06754 , H01S3/094007 , H01S3/094053
摘要： An optical pumping device is provided in which a multi-core fiber obtained by bundling up a plurality of optical fibers, which are input ports, and a double clad fiber for optical pumping are spliced through a bridge fiber composed of a double clad fiber having a tapered shape. Accordingly, it is possible to efficiently couple signal light and pumping light to the double clad fiber for optical pumping.
摘要翻译：提供了一种光泵装置，其中通过捆扎作为输入端口的多个光纤而获得的多芯光纤和用于光泵浦的双包层光纤通过由具有锥形。因此，可以将信号光和泵浦光有效地耦合到用于光泵浦的双包层光纤。

3. 发明授权

US08548013B2 Fiber laser 有权
标题翻译：光纤激光器
公开(公告)号：US08548013B2
公开(公告)日：2013-10-01
申请号：US12496200
申请日：2009-07-01
申请人： Tomoharu Kitabayashi , Tetsuya Sakai , Michihiro Nakai
发明人： Tomoharu Kitabayashi , Tetsuya Sakai , Michihiro Nakai
IPC分类号： H01S3/30
CPC分类号： H01S3/2333 , H01S3/0064 , H01S3/06758 , H01S3/2375 , H01S3/302
摘要： This fiber laser is provided with: a signal light source that outputs a signal light; a rare earth-doped fiber that amplifies and outputs the signal light from the signal light source; a Raman amplifying fiber that is routed as a portion of an optical transmission path in order to output the output light from the rare earth-doped fiber to an outside thereof; and a wavelength selecting element that is provided in the optical transmission path from the Raman amplifying fiber to the signal light source and does not allow transmission of a Stokes light that is generated in the Raman amplifying fiber.
摘要翻译：该光纤激光器具有：输出信号光的信号光源; 稀土掺杂光纤，其放大并输出来自信号光源的信号光; 拉曼放大光纤，其被路由为光传输路径的一部分，以便将来自稀土掺杂光纤的输出光输出到其外部; 以及波长选择元件，其设置在从拉曼放大光纤到信号光源的光传输路径中，并且不允许透射在拉曼放大光纤中产生的斯托克斯光。

4. 发明授权

US07065279B2 Method for exciting light for optical amplification medium fiber, structure for emitting excited light into optical amplification medium fiber optical fiber amplifier, and optical fiber laser 有权
标题翻译：用于激发光放大介质光纤的方法，将激发光发射到光放大介质光纤光纤放大器和光纤激光器中的结构
公开(公告)号：US07065279B2
公开(公告)日：2006-06-20
申请号：US10853114
申请日：2004-05-26
申请人： Kensuke Shima , Tomoharu Kitabayashi , Tetsuya Sakai
发明人： Kensuke Shima , Tomoharu Kitabayashi , Tetsuya Sakai
IPC分类号： G02B6/02
CPC分类号： H01S3/06708 , H01S3/094003
摘要： An inner cladding exposure section 14 is formed by removing a part of an outer cladding 4 of an optical amplification medium fiber 10 which has a porous layer 3 between the inner cladding 2 and the outer cladding 4 in a longitudinal direction. An end surface 23 of an optical fiber 20 for the excited light incidence is cemented on an outer periphery of the exposed inner cladding 2. The excited light 24 is incident into the optical amplification medium fiber 10 from the optical fiber 20 for the excited light incidence. By doing this, it is possible to provide a method for exciting a light in an optical amplification medium fiber which can realize a superior amplitude while emitting the excited light so as to be incident into the optical amplification medium fiber highly efficiently.
摘要翻译：通过在纵向方向上去除在内包层2和外包层4之间具有多孔层3的光学放大介质纤维10的外包层4的一部分来形成内包层曝光部分14。用于激发的光入射的光纤20的端表面23胶合在暴露的内包层2的外周上。激发光24从用于激发光入射的光纤20入射到光学放大介质光纤10中。通过这样做，可以提供一种用于激发光放大介质光纤中的光的方法，其可以在发射激发光的同时实现优异的振幅，从而高效地入射到光放大介质光纤中。

5. 发明授权

US07409122B2 End face structure of optical fiber, optical fiber laser, and laser processing apparatus 有权
标题翻译：光纤端面结构，光纤激光器和激光加工设备
公开(公告)号：US07409122B2
公开(公告)日：2008-08-05
申请号：US11103468
申请日：2005-04-12
申请人： Tomoharu Kitabayashi , Tetsuya Sakai
发明人： Tomoharu Kitabayashi , Tetsuya Sakai
IPC分类号： G02B6/32
CPC分类号： H01S3/06708 , G02B6/262 , H01S3/005 , H01S3/06729 , H01S3/06745 , H01S3/094007 , H01S3/0941 , H01S3/117
摘要： An end face structure of an optical fiber includes a coreless fiber fused to an emitting end face of the fiber optical fiber and a coating material disposed around at least the coreless fiber, a refractive index of the coating material being higher than a refractive index of the coreless fiber.
摘要翻译：光纤的端面结构包括与光纤的发射端面熔合的无芯光纤和至少设置在无芯光纤上的涂层材料，涂层材料的折射率高于无芯纤维。

6. 发明申请

US20050175289A1 Optical fiber coupling structure and method for coupling optical fibers 有权
标题翻译：光纤耦合结构及耦合光纤的方法
公开(公告)号：US20050175289A1
公开(公告)日：2005-08-11
申请号：US11048922
申请日：2005-02-03
申请人： Tomoharu Kitabayashi , Tetsuya Sakai
发明人： Tomoharu Kitabayashi , Tetsuya Sakai
IPC分类号： G02B6/24 , G02B6/38 , G02B6/26
CPC分类号： G02B6/3838 , G02B6/3847 , G02B6/4207
摘要： An optical fiber coupling structure for optically coupling an emission-side optical fiber and an incidence-side optical fiber includes: an emission-side base; and an incidence-side base, wherein the emission-side optical fiber is secured to the emission-side base, and an end of the emission-side optical fiber is exposed at the coupling end surface, wherein the incidence-side optical fiber is secured to the incidence-side base, and an end of the incidence-side optical fiber is exposed at a slope provided in said incidence side base, and wherein the coupling end surface of the emission-side base is abutted against the abutting surface of the incidence-side base, the emission-side optical fiber exposed at the coupling end surface of the emission-side base and the incidence-side optical fiber exposed at the slope of the incidence-side base are spaced apart with a clearance, and the emission-side optical fiber and the incidence-side optical fiber are optically coupled.
摘要翻译：用于发光侧光纤和入射侧光纤的光耦合的光纤耦合结构包括：发射侧基底; 和入射侧基底，其中发射侧光纤被固定到发射侧基底，并且发射侧光纤的端部在耦合端面处露出，其中入射侧光纤被固定到入射侧基底，并且入射侧光纤的端部以设置在所述入射侧基部的斜率曝光，并且其中发射侧基底的耦合端面抵靠入射侧基板的抵接表面在发光侧基板的耦合端面露出的发射侧光纤和入射侧基座的斜面露出的入射侧光纤以间隙间隔开，光耦合光入射侧光纤。

7. 发明授权

US06597494B2 Polarization maintaining optical fiber amplifier and optical amplifier 失效
标题翻译：极化保持光纤放大器和光放大器
公开(公告)号：US06597494B2
公开(公告)日：2003-07-22
申请号：US10188786
申请日：2002-07-03
申请人： Takeshi Segi , Tomoharu Kitabayashi , Tetsuya Sakai
发明人： Takeshi Segi , Tomoharu Kitabayashi , Tetsuya Sakai
IPC分类号： H01S300
CPC分类号： H01S3/06754 , H01S3/06712 , H01S3/06758 , H01S3/094011 , H01S3/10023 , H01S2301/02
摘要： An optical fiber amplifier having improved gain and reduced noise, and an optical amplifier which restrains an unnecessary polarization component in the signal output light, maintains polarization of a signal light and performs optical amplification in which a polarizer is connected between a first optical fiber and a second optical fiber. An amplified spontaneous emission is emitted from the output end of the first fiber with the amplified signal light and is incident to the polarizer. The polarizer is disposed so as to transmit a polarization component which is parallel with the signal light. Among the different light components which are incident to the polarizer, a light having a polarization component which is orthogonal with the signal light is rejected.
摘要翻译：具有改进的增益和降低的噪声的光纤放大器以及抑制信号输出光中不必要的偏振分量的光放大器保持信号光的偏振，并执行光放大，其中偏振器连接在第一光纤与第二光纤。放大的自发发射从第一光纤的输出端以放大的信号光发射并入射到偏振器。偏振器被布置成透射与信号光平行的偏振分量。在入射到偏振器的不同光分量中，具有与信号光正交的偏振分量的光被拒绝。

8. 发明授权

US07027692B2 Optical fiber coupling structure and method for coupling optical fibers 有权
标题翻译：光纤耦合结构及耦合光纤的方法
公开(公告)号：US07027692B2
公开(公告)日：2006-04-11
申请号：US11048922
申请日：2005-02-03
申请人： Tomoharu Kitabayashi , Tetsuya Sakai
发明人： Tomoharu Kitabayashi , Tetsuya Sakai
IPC分类号： G02B6/26
CPC分类号： G02B6/3838 , G02B6/3847 , G02B6/4207
摘要： An optical fiber coupling structure for optically coupling an emission-side optical fiber and an incidence-side optical fiber includes: an emission-side base; and an incidence-side base, wherein the emission-side optical fiber is secured to the emission-side base, and an end of the emission-side optical fiber is exposed at the coupling end surface, wherein the incidence-side optical fiber is secured to the incidence-side base, and an end of the incidence-side optical fiber is exposed at a slope provided in said incidence side base, and wherein the coupling end surface of the emission-side base is abutted against the abutting surface of the incidence-side base, the emission-side optical fiber exposed at the coupling end surface of the emission-side base and the incidence-side optical fiber exposed at the slope of the incidence-side base are spaced apart with a clearance, and the emission-side optical fiber and the incidence-side optical fiber are optically coupled.
摘要翻译：用于发光侧光纤和入射侧光纤的光耦合的光纤耦合结构包括：发射侧基底; 和入射侧基底，其中发射侧光纤被固定到发射侧基底，并且发射侧光纤的端部在耦合端面处露出，其中入射侧光纤被固定到入射侧基底，并且入射侧光纤的端部以设置在所述入射侧基部的斜率曝光，并且其中发射侧基底的耦合端面抵靠入射侧基板的抵接表面在发光侧基板的耦合端面露出的发射侧光纤和入射侧基座的斜面露出的入射侧光纤以间隙间隔开，光耦合光入射侧光纤。

9. 发明申请

US20050244101A1 End face structure of optical fiber, optical fiber laser, and laser processing apparatus 有权
标题翻译：光纤端面结构，光纤激光器和激光加工设备
公开(公告)号：US20050244101A1
公开(公告)日：2005-11-03
申请号：US11103468
申请日：2005-04-12
申请人： Tomoharu Kitabayashi , Tetsuya Sakai
发明人： Tomoharu Kitabayashi , Tetsuya Sakai
IPC分类号： G02B6/00 , G02B6/02 , G02B6/26 , G02B6/42 , H01S3/00 , H01S3/06 , H01S3/067 , H01S3/0941 , G02B6/32
CPC分类号： H01S3/06708 , G02B6/262 , H01S3/005 , H01S3/06729 , H01S3/06745 , H01S3/094007 , H01S3/0941 , H01S3/117
摘要： An end face structure of an optical fiber includes a coreless fiber fused to an emitting end face of the fiber optical fiber and a coating material disposed around at least the coreless fiber, a refractive index of the coating material being higher than a refractive index of the coreless fiber.
摘要翻译：光纤的端面结构包括与光纤的发射端面熔合的无芯光纤和至少设置在无芯光纤上的涂层材料，涂层材料的折射率高于无芯纤维。

10. 发明授权

US06563628B2 Gain tilt free optical fiber amplifier in a wide dynamic gain range 失效
标题翻译：在宽动态增益范围内增益无倾斜光纤放大器
公开(公告)号：US06563628B2
公开(公告)日：2003-05-13
申请号：US09789459
申请日：2001-02-20
申请人： Tomoharu Kitabayashi , Tetsuya Sakai , Takafumi Kashima
发明人： Tomoharu Kitabayashi , Tetsuya Sakai , Takafumi Kashima
IPC分类号： H01S300
CPC分类号： H01S3/06754 , H01S2301/04
摘要： An optical fiber amplifier comprises an optical fiber for light loss which is provided in a later stage than an optical fiber amplification section or midway therein, the amount of light absorption and the wavelength dependency of the absorption of the optical fiber changing according to the power of input light; whereby the optical fiber amplifier can maintain flat gain in a wide wavelength band, the gain flatness not changing over a wide dynamic range and being maintained irrespective of variation in the power of input signal light.
摘要翻译：一种光纤放大器，包括光纤损耗光纤，其比后述的光纤放大部分或其中途设置的光纤的光吸收量和光纤的吸收的波长依赖性根据输入光; 由此光纤放大器可以在宽的波长带内保持平坦的增益，增益平坦度不会在宽的动态范围内变化，并且与输入信号光的功率的变化无关地被维持。

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