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11. 发明授权

US06292607B1 Method for determining an aging condition for an optical waveguide grating and temperature sensor 有权
标题翻译：用于确定光波导光栅和温度传感器的老化条件的方法
公开(公告)号：US06292607B1
公开(公告)日：2001-09-18
申请号：US09343472
申请日：1999-06-30
申请人： Shinji Ishikawa , Toru Iwashima , Michiko Takushima (nee Harumoto) , Akira Inoue , Masakazu Shigehara
发明人： Shinji Ishikawa , Toru Iwashima , Michiko Takushima (nee Harumoto) , Akira Inoue , Masakazu Shigehara
IPC分类号： G02B634
CPC分类号： G02B6/02185
摘要： The present invention provides a method for determining a condition of aging for an optical waveguide grating. In this method, the aged deterioration curve of the optical waveguide grating is set as a form of C·t−&agr;, where t represents time, and &agr; and C represent parameters. Then, the condition of the aging is determined based on the aged deterioration curve.
摘要翻译：本发明提供了一种用于确定光波导光栅的老化状况的方法。在该方法中，将光波导光栅的老化劣化曲线设定为C.t-α的形式，其中t表示时间，α和C表示参数。然后，根据老化退化曲线确定老化条件。

12. 发明授权

US5790726A Optical waveguide and process for producing it 失效
标题翻译：光波导及其制造方法
公开(公告)号：US5790726A
公开(公告)日：1998-08-04
申请号：US789779
申请日：1997-01-28
申请人： Masumi Ito , Maki Inai , Akira Inoue , Masakazu Shigehara
发明人： Masumi Ito , Maki Inai , Akira Inoue , Masakazu Shigehara
IPC分类号： G02B6/124 , G02B6/34
CPC分类号： G02B6/124 , G02B6/02119 , G02B6/02133 , G02B6/02138 , G02B6/021
摘要： This invention provides an optical waveguide having diffraction gratings with sufficiently high reflectivity, a waveguide member for obtaining the optical waveguide, and a production process thereof. An optical waveguide in which desired diffraction gratings are formed in a core and in a cladding at a predetermined portion by using a waveguide member in which germanium dioxide is added in the core and in the cladding and irradiating the predetermined portion of the waveguide member with interference fringes of ultraviolet light. By this, the optical waveguide according to the present invention reflects guided light throughout the entire mode field region, thus having a high reflectivity.
摘要翻译：本发明提供一种具有足够高反射率的衍射光栅的光波导，用于获得光波导的波导部件及其制造方法。一种光波导，其中通过使用其中在核心和包层中添加二氧化锗的波导部件在预定部分在芯部和包层中形成期望的衍射光栅，并且在干涉下照射波导部件的预定部分紫外线条纹。由此，根据本发明的光波导在整个模场区域反射引导光，因此具有高的反射率。

13. 发明授权

US5771250A Laser light source apparatus, OTDR apparatus, and optical communication line inspection system 失效
标题翻译：激光光源设备，OTDR仪器，光通信线路检测系统
公开(公告)号：US5771250A
公开(公告)日：1998-06-23
申请号：US721326
申请日：1996-09-26
申请人： Masakazu Shigehara , Akira Inoue
发明人： Masakazu Shigehara , Akira Inoue
IPC分类号： G01M11/02 , G01M11/00 , G02B6/02 , G02B6/122 , H01S5/062 , H01S5/0683 , H01S5/12 , H01S5/14 , H01S3/30 , G02B6/34 , H04B10/08
CPC分类号： G01M11/3145 , G01M11/3136 , H01S5/146 , H04B10/071 , H01S5/0622 , H01S5/0683 , H01S5/1206 , H01S5/1212 , H01S5/1215
摘要： The pulse laser light source apparatus in the OTDR apparatus of present invention comprises an optical waveguide which receives and guides the light emitted from the first light-emitting end face, wherein the optical waveguide comprises a reflecting area which selectively reflects a part of light emitted from a light-emitting end face of a semiconductor light-emitting device, a core of the reflecting area comprises a first diffraction grating which is disposed in a first area and whose refractive index periodically changes along an optical-axis direction, the first diffraction grating selectively reflects, of the light emitted from the light-emitting end face of the semiconductor light-emitting device, a part of the light within a first wavelength range. And the diffraction grating is one of denvices which constitute a laser resonator.
摘要翻译：本发明的OTDR装置中的脉冲激光光源装置包括：光波导，其接收并引导从第一发光端面发出的光，其中，所述光波导包括反射区域，所述反射区域选择性地反射从半导体发光装置的发光端面，反射区域的芯包括设置在第一区域中并且其折射率沿光轴方向周期性变化的第一衍射光栅，第一衍射光栅选择性地从半导体发光器件的发光端面发射的光反射一部分光在第一波长范围内。并且衍射光栅是构成激光谐振器的折叠之一。

14. 发明申请

US20120106906A1 STRANDED OPTICAL CABLE WITH CONNECTORS 有权
标题翻译：带连接器的光纤电缆
公开(公告)号：US20120106906A1
公开(公告)日：2012-05-03
申请号：US13381469
申请日：2011-06-09
申请人： Itaru Sakabe , Kazuyuki Soma , Tomoyuki Hattori , Kenichiro Ohtsuka , Masakazu Shigehara
发明人： Itaru Sakabe , Kazuyuki Soma , Tomoyuki Hattori , Kenichiro Ohtsuka , Masakazu Shigehara
IPC分类号： G02B6/44
CPC分类号： G02B6/448 , G02B6/3885
摘要： The stranded optical cable 10 includes a plurality of stranded multicore optical cables 12 and a cable sheath 16 covering the multicore optical cables 12, each multicore optical cable 12 including at least two of optical units 13 as a pair and a unit sheath 14 covering the optical units 13, each optical unit 13 being formed by bundling a plurality of optical fibers. And, parts of the cable sheath corresponding to both ends of the stranded optical cable 10 are removed to expose the multicore optical cables 12 certain lengths so that the optical connectors 21 are connected to the multicore optical cables 12, respectively.
摘要翻译：绞合的光缆10包括多根绞合的多芯光缆12和覆盖多芯光缆12的电缆护套16，每个多芯光缆12包括一对光学单元13和至少两个光学单元13，单元13，每个光学单元13通过捆扎多根光纤而形成。并且，去除对应于绞合光缆10的两端的电缆护套的部分，以使多芯光缆12暴露一定长度，使得光连接器21分别连接到多芯光缆12。

15. 发明授权

US07712979B2 Optical adapter 有权
标题翻译：光电适配器
公开(公告)号：US07712979B2
公开(公告)日：2010-05-11
申请号：US12000667
申请日：2007-12-14
申请人： Masahiro Shibata , Masakazu Shigehara
发明人： Masahiro Shibata , Masakazu Shigehara
IPC分类号： G02B6/36
CPC分类号： G02B6/3825 , G02B6/3846 , G02B6/3874 , G02B6/4277
摘要： The present invention provides an optical adapter, which can suppress electromagnetic waves from an optical communication module, is provided. An optical adapter comprises: a housing; an optical fiber which is housed in the housing; and a ferrule which is housed in the housing. The housing has a first edge to be inserted into a receptacle of an optical communication module, and a second edge for insertion of an optical connector plug. The optical fiber has a first edge to optically couple with the receptacle, and a second edge to optically couple with the optical connector plug. The ferrule houses the optical fiber. At least a part of the housing or at least part of the ferrule is formed of an electromagnetic absorption material.
摘要翻译：本发明提供了一种能够抑制来自光通信模块的电磁波的光学适配器。光学适配器包括：壳体; 容纳在壳体中的光纤; 以及容纳在壳体中的套圈。壳体具有插入光通信模块的插座中的第一边缘和用于插入光学连接器插头的第二边缘。光纤具有第一边缘以与插座光学耦合，以及第二边缘以与光学连接器插头光学耦合。套圈容纳光纤。壳体的至少一部分或套圈的至少一部分由电磁吸收材料形成。

16. 发明授权

US07521660B2 Optical signal processor and optical signal processing method for processing optical signals in optical communications systems 有权
标题翻译：光信号处理器和光信号处理方法，用于处理光通信系统中的光信号
公开(公告)号：US07521660B2
公开(公告)日：2009-04-21
申请号：US11106706
申请日：2005-04-15
申请人： Michiko Takushima , Tomomi Sano , Osamu Shimakawa , Tatsuhiko Tanaka , Masakazu Shigehara
发明人： Michiko Takushima , Tomomi Sano , Osamu Shimakawa , Tatsuhiko Tanaka , Masakazu Shigehara
IPC分类号： H01J40/14
CPC分类号： G02B6/29311 , G02B6/29313 , G02B6/29394 , G02B6/29395 , G02B6/4215
摘要： The present invention relates to an optical signal processor which can perform favorable optical signal processing even when there are environmental changes and the like. The optical signal processor inputs light emitted from an end face of an optical fiber, subjects the inputted light to processing according to its wavelength, and outputs the processed light so as to make it incident on the end face of the optical fiber; and comprises optical systems, a diffraction grating device, mirror reflectors, an optical path turning part, and a monitor part. The optical path turning part transmits therethrough a part of the incident light and reflects at least a part of the remnant. The optical system monitors the light transmitted through the optical path turning part.
摘要翻译：光信号处理器技术领域本发明涉及即使存在环境变化等也能够进行良好的光信号处理的光信号处理装置。光信号处理器输入从光纤的端面发射的光，根据其波长对输入的光进行处理，并输出经处理的光，使其入射到光纤的端面; 并且包括光学系统，衍射光栅装置，反射镜，光路转向部分和监视器部分。光路转向部件透过其中的一部分入射光并反射残留物的至少一部分。光学系统监视透过光路转向部分的光。

17. 发明申请

US20060262305A1 Diffraction grating element 审中-公开
$Diffraction grating element$
标题翻译：衍射光栅元件
公开(公告)号：US20060262305A1
公开(公告)日：2006-11-23
申请号：US11483728
申请日：2006-07-11
申请人： Manabu Shiozaki , Masakazu Shigehara
发明人： Manabu Shiozaki , Masakazu Shigehara
IPC分类号： G01J3/28
CPC分类号： G01J3/02 , G01J3/0286 , G01J3/1804 , G02B5/18 , G02B5/1866 , G02B7/008
摘要： The present invention provides a diffraction grating element that allows the temperature control mechanism to be dispensed with or simplified. The diffraction grating element of the present invention comprises a transparent plate having a first surface and a second surface that are substantially parallel with one another; and a diffraction grating which is formed on a first surface side with respect to the second surface and is substantially parallel with the first surface. At any temperature within a temperature range −20° C. to +80° C., the sum of the rate of change in the period per unit length of the diffraction grating with respect to a temperature change, and the temperature coefficient of the refractive index of a medium that surrounds the diffraction grating element is 0.
摘要翻译：本发明提供一种能够省略或简化温度控制机构的衍射光栅元件。本发明的衍射光栅元件包括具有彼此基本平行的第一表面和第二表面的透明板; 以及衍射光栅，其相对于所述第二表面形成在第一表面侧上并且基本上与所述第一表面平行。在-20°C至+ 80°C的温度范围内的任何温度下，衍射光栅相对于温度变化的每单位长度的周期变化率和折射率的温度系数之和围绕衍射光栅元件的介质的折射率为0。

18. 发明申请

US20060139756A1 Diffraction grating element, production method of diffraction grating element, and method of designing diffraction grating element 有权
$Diffraction grating element, production method of diffraction grating element, and method of designing diffraction grating element$
公开(公告)号：US20060139756A1
公开(公告)日：2006-06-29
申请号：US11287448
申请日：2005-11-28
申请人： Manabu Shiozaki , Masakazu Shigehara
发明人： Manabu Shiozaki , Masakazu Shigehara
IPC分类号： G02B5/18
CPC分类号： G02B5/1814 , G02B1/11 , G02B5/1857
摘要： In a diffraction grating element 10, between a first medium 11 and a fourth medium 14, a second medium 12 and a third medium 13 are disposed alternately to form a diffraction grating. The light, which enters the diffraction grating from the first medium 11, is diffracted at the diffraction grating portion and output to a fourth medium 14. Or, the light, which enters the diffraction grating from the fourth medium 14, is diffracted at the diffraction grating portion and output to the first medium 11. The index of refraction n1-n4 of each medium satisfies a relational expression of “n3

19. 发明授权

US06825981B2 Optical signal processor 有权
标题翻译：光信号处理器
公开(公告)号：US06825981B2
公开(公告)日：2004-11-30
申请号：US10682075
申请日：2003-10-10
申请人： Michiko Takushima , Tomomi Sano , Makoto Katayama , Masakazu Shigehara
发明人： Michiko Takushima , Tomomi Sano , Makoto Katayama , Masakazu Shigehara
IPC分类号： G02B2744
CPC分类号： G02B6/356 , G02B6/272 , G02B6/29311 , G02B6/29313 , G02B6/2938 , G02B6/3518 , G02B6/352 , G02B6/357
摘要： The present invention relates to an optical signal processor which can multiplex or demultiplex multiwavelength signal light. The optical signal processor includes an optical input/output capability, a first optical system, a wavelength branching capability, a second optical system, and a reflecting capability.
摘要翻译：本发明涉及一种能够对多波长信号光进行复用或解复用的光信号处理器。光信号处理器包括光输入/输出能力，第一光学系统，波长分支能力，第二光学系统和反射能力。

20. 发明授权

US06804437B2 Diffraction grating device manufacturing method, diffraction grating device manufacturing apparatus, and diffraction grating device 失效
$Diffraction grating device manufacturing method, diffraction grating device manufacturing apparatus, and diffraction grating device$
标题翻译：衍射光栅装置制造方法，衍射光栅装置制造装置和衍射光栅装置
公开(公告)号：US06804437B2
公开(公告)日：2004-10-12
申请号：US10377665
申请日：2003-03-04
申请人： Kiyotaka Murashima , Ken Hashimoto , Toshikazu Shibata , Akira Inoue , Masaki Ohmura , Masakazu Shigehara
发明人： Kiyotaka Murashima , Ken Hashimoto , Toshikazu Shibata , Akira Inoue , Masaki Ohmura , Masakazu Shigehara
IPC分类号： G02B634
CPC分类号： G02B6/03694 , G02B6/02119 , G02B6/02138 , G02B6/02152
摘要： In this diffraction grating device manufacturing method, refractive-index-change-inducing light of a wavelength that induces a change in refractive index is irradiated onto an optical waveguide, thus forming a diffraction grating through refractive index modulation along the longitudinal direction of the optical waveguide. At this time, the position of irradiation of the refractive-index-change-inducing light onto the optical waveguide is swung in a direction perpendicular to the longitudinal direction of the optical waveguide.
摘要翻译：在该衍射光栅装置的制造方法中，将引起折射率变化的波长的折射率变换感应光照射到光波导上，由此沿着光波导的长度方向形成折射率调制衍射光栅。此时，将折射率变化诱导光照射到光波导上的位置在垂直于光波导的纵向方向上摆动。

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