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1. 发明专利

JP2003224318A WIDE-BAND SPONTANEOUS EMISSION LIGHT SOURCE 审中-公开
公开(公告)号：JP2003224318A
公开(公告)日：2003-08-08
申请号：JP2002021246
申请日：2002-01-30
申请人： NTT ADVANCED TECH KK , KYOCERA CORP
发明人： SUGAI EIICHI , TERUYA HIDEO , YOSHIDA KOJI , NODA JUICHI , OSAKI TAKAAKI , OKUDA MICHITAKA , YASUJIMA HIROMI , FURUKATA YUKIKO , TAKEI YUSUKE , KIMOTO NORITANE
IPC分类号： H01S3/06 , H01S3/094
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive wide-band spontaneous emission light source having a wide-band output wavelength and a flat spectrum waveform. SOLUTION: This wide-band spontaneous emission light source is provided with a pumping source, a fiber for optical amplification doped with erbium and aluminum, first and second optical multiplexers which respectively input the pumping light of the pumping source to the starting and terminating ends of the fiber. This light source is also provided with a light re-inputting section which is provided on the starting end side of the fiber and re-inputs spontaneously emitted light to the fiber. COPYRIGHT: (C)2003,JPO

2. 发明专利

JP2011008090A Lens-functioned composite optical element 审中-公开
标题翻译：镜片功能复合光学元件
公开(公告)号：JP2011008090A
公开(公告)日：2011-01-13
申请号：JP2009152409
申请日：2009-06-26
申请人： Kyocera Corp , 京セラ株式会社
发明人： OKUDA MICHITAKA
IPC分类号： G02B3/00 , G02B3/08 , G02B6/42 , G02B27/28 , H01S5/02
摘要： PROBLEM TO BE SOLVED: To provide a compact, low-cost lens-functioned composite optical element configured to easily perform the optical coupling of an incident side and an exit side of an optical element.SOLUTION: The lens-functioned composite optical element includes: a first spherical lens 1a having a refractive index nl; a second spherical lens 1b having a refractive index n2; and the optical element 3 disposed between the lenses 1a and 1b. The refractive index n1 is different from the refractive index n2, and the curvature center of the first spherical lens 1a is aligned with that of the second spherical lens 1b. The low-cost lens-functioned composite optical element where the numerical aperture of the incident side is made different from that of the exit side can be provided.
摘要翻译：要解决的问题：提供一种紧凑的，低成本的透镜功能复合光学元件，其被配置为容易地执行光学元件的入射侧和出射侧的光耦合。解决方案：透镜功能复合光学元件包括：具有折射率nl的第一球面透镜1a; 具有折射率n2的第二球面透镜1b; 以及设置在透镜1a和1b之间的光学元件3。折射率n1与折射率n2不同，第一球面透镜1a的曲率中心与第二球面透镜1b的曲率中心一致。可以提供将入射侧的数值孔径与出口侧的数值孔径不同的低成本透镜功能的复合光学元件。

3. 发明专利

JP2010152297A Polarizer, optical isolator, and optical device using the same 审中-公开
标题翻译：偏振器，光学隔离器和使用其的光学装置
公开(公告)号：JP2010152297A
公开(公告)日：2010-07-08
申请号：JP2009073639
申请日：2009-03-25
申请人： Kyocera Corp , 京セラ株式会社
发明人： OKUDA MICHITAKA , SATO YASUSHI
IPC分类号： G02B5/30 , G02B6/26 , G02B6/42 , G02B27/28
摘要： PROBLEM TO BE SOLVED: To provide a compact optical device equipped with a thin polarizer. SOLUTION: The polarizer includes: a translucent substrate 3; a diffraction grating 1 which is disposed on the surface of the translucent substrate 3, and in which a plurality of first layers 1a and a plurality of second layers 1b including a material having optical anisotropy more than the first layer 1a are alternately arranged in the direction intersecting the surface of the translucent substrate 3; and a translucent layer 2 which is disposed on a surface opposite to the translucent substrate 3 of the diffraction grating 1 and totally reflects the diffracted light of primary order or higher emitted from the diffraction grating 1. The thin polarizer separates the polarized light with the diffraction grating 1 and the translucent layer 2. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种配备有薄偏振片的紧凑型光学装置。偏振片包括：半透明基板3; 设置在透光性基板3的表面上的衍射光栅1，其中包括具有比第一层1a多的光学各向异性的材料的多个第一层1a和多个第二层1b沿着该方向与透光性基板3的表面相交; 以及设置在与衍射光栅1的透光性基板3相反的表面的半透明层2，并且全面地反射从衍射光栅1发射的一级以上的衍射光。薄偏振器将衍射光与衍射光栅1和半透明层2.版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2008170471A Fibre lens, fibre lens array, fibre collimator, and optical module 审中-公开
标题翻译：光纤透镜，光纤镜头阵列，光纤夹线器和光模块
公开(公告)号：JP2008170471A
公开(公告)日：2008-07-24
申请号：JP2007000735
申请日：2007-01-05
申请人： Kyocera Corp , 京セラ株式会社
发明人： OKUDA MICHITAKA
IPC分类号： G02B6/32 , G02B6/34
摘要： PROBLEM TO BE SOLVED: To provide a fiber lens, a fiber lens array, a fiber collimator, and an optical module easy to manufacture and capable of composing a small optical communication device, and an optical sensing system device.
SOLUTION: The fiber lens 7 has a dispersed refractivity fiber lens 2, and a diffracting grating 6. Further, it has a fiber shaped phase grating 1 whose one end is connected to an end of the dispersed refractivity fiber lens 2, with its other end inclining to the plane perpendicular to the center axis of the fiber lens 2.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种光纤透镜，光纤透镜阵列，光纤准直仪和易于制造并且能够构成小型光通信装置的光学模块以及光学感测系统装置。解决方案：光纤透镜7具有分散的折射率光纤透镜2和衍射光栅6.此外，它具有一个纤维状相位光栅1，其一端连接到分散的折射率光纤透镜2的一端，具有其另一端倾斜于与光纤透镜2的中心轴垂直的平面。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2007232786A Optical waveguide 审中-公开
标题翻译：光波导
公开(公告)号：JP2007232786A
公开(公告)日：2007-09-13
申请号：JP2006050983
申请日：2006-02-27
申请人： Kyocera Corp , 京セラ株式会社
发明人： OKUDA MICHITAKA
IPC分类号： G02B6/12 , G02B6/30
摘要： PROBLEM TO BE SOLVED: To provide an optical waveguide which has small optical loss while acquiring stable signal quality. SOLUTION: The optical waveguide comprises a plate-like phase grating 1 comprising a first area 1a formed so that the refractive index becomes larger toward the central part in the direction of thickness X, and a 2nd area 1b which has a smaller refractive index than the first area and is formed on both main surfaces of the first area 1a with the side faces of the first area 1a exposed, and transmits the light made incident from one side face 1c of the first area 1a in the plane direction of the first area 1a, and makes the light exit from the other side face 1d of the first area 1a. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供在获得稳定的信号质量的同时光损耗小的光波导。解决方案：光波导包括板状相位光栅1，其包括形成为使得折射率在厚度X的方向上朝向中心部分变大的第一区域1a和具有较小折射率的第二区域1b 并且形成在第一区域1a的两个主表面上，并且第一区域1a的侧面被暴露，并且将从第一区域1a的一个侧面1c入射的光沿着第一区域1a的平面方向透射第一区域1a，使光从第一区域1a的另一侧面1d射出。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2006235245A Ferrule-type optical component and optical module using the same 审中-公开
标题翻译：光纤类型的光学元件和使用该光学元件的光学模块
公开(公告)号：JP2006235245A
公开(公告)日：2006-09-07
申请号：JP2005049808
申请日：2005-02-24
申请人： Kyocera Corp , 京セラ株式会社
发明人： OKUDA MICHITAKA
IPC分类号： G02B6/255 , G02B6/42
摘要： PROBLEM TO BE SOLVED: To provide a ferrule-type optical component which is easily worked and used as a connector connectable small lens element, worked to a required lens, worked and constituted as a lens with versatility, and to provide an optical module that uses the ferrule-type optical component. SOLUTION: In the ferrule type optical component formed by mounting and fixing a GI fiber whose clad part is exposed in a through hole of a ferrule, the GI fiber has length in which light to be made incident can be radiated as a focusing light and both ends of the GI fiber is the same surface of both the ends of the ferrule. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供容易加工并用作可连接连接的小透镜元件的套圈型光学部件，加工成所需的透镜，加工并构成为具有多功能性的透镜，并且提供光学模块，其使用套圈型光学部件。解决方案：在通过安装和固定其包层部分暴露在套圈的通孔中的GI纤维而形成的套圈型光学部件中，GI纤维具有可以照射入射的光作为聚焦的长度光纤和GI纤维的两端是套圈两端的相同表面。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2005062138A Fbg sensing system 审中-公开
标题翻译： FBG感应系统
公开(公告)号：JP2005062138A
公开(公告)日：2005-03-10
申请号：JP2003296505
申请日：2003-08-20
申请人： Kyocera Corp , 京セラ株式会社
发明人： YASUJIMA HIROMI , TAKEI YUSUKE , OKUDA MICHITAKA
IPC分类号： G01K11/12 , G01B11/16 , G01D5/26 , G01D5/353 , G01M11/00
摘要： PROBLEM TO BE SOLVED: To construct a highly-reliable and robust system which increases the signal intensity of an FBG sensor, improves the S/N, and will not influence the signal of other FBG sensors, even if disconnection or breakage of a connection optical fiber or the like occurs, in an FBG sensing system. SOLUTION: The system comprises an optical coupler having a first port and a second port on one end side, and a third port and a fourth port on the other end side. The system is configured, such that an optical fiber which derives an output light of or a broad band light source or a wave length variable light source is connected to the first port, the third and fourth port are connected via a looped optical fiber, the FGB sensor is arranged inside the loop-shape optical fiber, and the second port is used as a signal detection port. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了构建提高FBG传感器信号强度的高可靠性强的系统，提高S / N，即使断开或断开，也不会影响其他FBG传感器的信号在FBG感测系统中发生连接光纤等。解决方案：该系统包括在一端侧具有第一端口和第二端口以及另一端侧的第三端口和第四端口的光耦合器。该系统被配置为使得导出宽带光源的输出光或波长可变光源的光纤连接到第一端口，第三和第四端口经由环形光纤连接， FGB传感器布置在环形光纤内部，第二个端口用作信号检测端口。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2004311994A External resonator and semiconductor laser module using it 审中-公开
公开(公告)号：JP2004311994A
公开(公告)日：2004-11-04
申请号：JP2004093888
申请日：2004-03-26
申请人： Kyocera Corp , 京セラ株式会社
发明人： OKUDA MICHITAKA , SHIGEOKA YOSHIYUKI
IPC分类号： G02B6/42 , G02B6/00 , G02B6/02 , G02B6/10 , H01S5/14 , G02B6/16
摘要： PROBLEM TO BE SOLVED: To provide an external resonator realizing a semiconductor laser module whose wavelength spectrum property and output power are stabilized against the temperature change and the return light. SOLUTION: The external resonator and the semiconductor laser module with the resonator comprises a ferrule containing a Fiber Bragg Grating which diffracts and reflects light of a specific wavelength. In this ferrule, each phase grating prepared in the fiber is at an angle β and an optical element having a certain function is installed on one end surface of the ferrule. The optical element has the functions of optical isolator and light filter and the opposite end of the fiber has the lens function. COPYRIGHT: (C)2005,JPO&NCIPI

9. 发明专利

JP2003195094A FIBER TYPE COMPOSITE FUNCTION PARTS, OPTICAL FIBER AMPLIFIER USING THEM, AND ASE LIGHT SOURCE 审中-公开
公开(公告)号：JP2003195094A
公开(公告)日：2003-07-09
申请号：JP2001393093
申请日：2001-12-26
申请人： KYOCERA CORP , MITSUBISHI CABLE IND LTD
发明人： OKUDA MICHITAKA , YASUJIMA HIROMI , TAKEI YUSUKE , MIYAKE KAZUYUKI , INOUE NAGAKAZU
IPC分类号： G02B6/02 , G02B6/10 , G02B6/287 , H01S3/06
摘要： PROBLEM TO BE SOLVED: To provide composite function parts including a rare earth element added fiber in order to simplify the optical circuit part of an optical fiber amplifier. SOLUTION: In fiber type composite function parts in which each adjacent optical fibers out of three or more optical fibers arranged in parallel are welded and stretched to form a coupling part and individual coupling parts are mounted and fixed, at least one of optical fibers forming each coupling part is constituted of a rare earth element added fiber. COPYRIGHT: (C)2003,JPO

10. 发明专利

JP2002196192A LINE MONITOR 失效
公开(公告)号：JP2002196192A
公开(公告)日：2002-07-10
申请号：JP2000393651
申请日：2000-12-25
申请人： KYOCERA CORP
发明人： SHIGEOKA YOSHIYUKI , OKUDA MICHITAKA
IPC分类号： G02B6/42 , G02B6/02 , G02B6/10
摘要： PROBLEM TO BE SOLVED: To provide a line monitor that needs no adjustment of optical axes, that has small size, small optical loss and the small number of parts, and that is easy to assemble as well as being inexpensive. SOLUTION: The line monitor is formed in a manner such that each end face is made an inclined plane for the two optical fibers with the core expanding at the end; that the inclined planes are brought into contact with each other, with a translucent film interposed in-between, and a photodetector is arranged at a position, where a part of the light passing through the optical fibers is reflected by this translucent film; and that a part of the inputted light is monitored by the photodetector, with a large part of the light being outputted from the emission end.

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