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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

JP2008268893A Optical multiplexer/demultiplexer 审中-公开
标题翻译：光学多路复用器/解复用器
公开(公告)号：JP2008268893A
公开(公告)日：2008-11-06
申请号：JP2008045527
申请日：2008-02-27
申请人： Kyocera Corp , 京セラ株式会社
发明人： TAKEI YUSUKE
IPC分类号： G02B6/42 , G02B6/293
摘要： PROBLEM TO BE SOLVED: To provide a multiple stage type optical multiplexer/demultiplexer that can be miniaturized. SOLUTION: An optical multiplexing/demultiplexing part 10 is equipped with a first to third optical waveguide bodies 12a-12c and an optical filter 13 that is arranged between the first and second waveguide bodies 12a, 12b, that demultiplexes light emitted from the first optical waveguide body 12a to make them enter the second and third optical waveguide bodies 12b, 12c, or that multiplexes light emitted from the second and third optical waveguide bodies 12b, 12c to make it enter the first optical waveguide body 12a. A plurality of such optical multiplexing/demultiplexing parts 10 are stacked vertically to a plane formed by the first to third optical waveguide bodies 12a-12c. Then, any of the first to third optical waveguide bodies of one optical multiplexing/demultiplexing part 10 is connected, by means of an optical connector S, with any of the first to third optical waveguide bodies of another optical multiplexing/demultiplexing part 20. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供可以小型化的多级型光复用器/解复用器。解决方案：光复用/解复用部分10配备有第一至第三光波导体12a-12c和布置在第一和第二波导体12a，12b之间的滤光器13，其将从第一光波导体12a使其进入第二和第三光波导体12b，12c，或者复用从第二和第三光波导体12b，12c发射的光，使其进入第一光波导体12a。多个这样的光复用/解复用部件10垂直于由第一至第三光波导体12a-12c形成的平面堆叠。然后，通过光连接器S将一个光复用/解复用部分10的第一至第三光波导体中的任一个与另一个光复用/解复用部分20的第一至第三光波导体中的任一个连接。 P>版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2007263847A Optical fiber sensor 有权
标题翻译：光纤传感器
公开(公告)号：JP2007263847A
公开(公告)日：2007-10-11
申请号：JP2006091267
申请日：2006-03-29
申请人： Kyocera Corp , 京セラ株式会社
发明人： TOMIE SATORU , TAKEI YUSUKE
IPC分类号： G01D5/353 , G01L1/24
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber sensor capable of controlling highly accurately the interval between two reflecting members.
SOLUTION: This sensor is equipped with a cylindrical body 12, having an optical fiber 11 inserted into an inner hole; the first reflecting member 13 bonded to one end face of the cylindrical body 12 to block the inner hole of the cylindrical body 12, for reflecting a part of light emitted from the optical fiber 11; the second reflecting member 14 for reflecting a part or the whole of light transmitted, through the first reflecting member 13 toward the first reflecting member 13; and a light guide 15, interposed between the first reflecting member 13 and the second reflecting member 14, for generating multiple interference of entering light.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供能够高精度地控制两个反射部件之间的间隔的光纤传感器。
解决方案：该传感器装备有插入内孔中的光纤11的圆筒体12; 第一反射构件13，其接合到圆柱体12的一个端面以阻挡圆柱体12的内孔，用于反射从光纤11发射的光的一部分; 第二反射构件14，用于将通过第一反射构件13透射的部分或全部光反射到第一反射构件13; 以及插入在第一反射构件13和第二反射构件14之间的光导15，用于产生进入光的多个干涉。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2007232509A Fiber optic sensor 审中-公开
标题翻译：光纤传感器
公开(公告)号：JP2007232509A
公开(公告)日：2007-09-13
申请号：JP2006053190
申请日：2006-02-28
申请人： Kyocera Corp , 京セラ株式会社
发明人： TAKEI YUSUKE , SUGA TETSUYA
IPC分类号： G01D5/353 , G01J5/08 , G01J5/58
摘要： PROBLEM TO BE SOLVED: To provide a fiber optic sensor which has high sensitivity and measurement accuracy and is low-priced.
SOLUTION: The fiber optic sensor comprises: a light guiding body which is made of translucent resin and has a first plane and a second plane facing each other; a first reflection member which is arranged facing the first plane to reflect part of incident light; and a second reflection member which is arranged facing the second plane to reflect part of or the entire incident light. Light incident through the first reflection member is subjected to multiple interference in the light guiding body, thereby allowing light of a wavelength corresponding to the separation between the first and second planes to be emitted through the first reflection member and the second reflection member.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有高灵敏度和测量精度并且价格低廉的光纤传感器。光纤传感器包括：导光体，其由半透明树脂制成，并具有彼此面对的第一平面和第二平面; 第一反射构件，其布置成面对第一平面以反射入射光的一部分; 以及第二反射构件，其被布置为面对第二平面以反射入射光的一部分或整个。通过第一反射构件入射的光在导光体中受到多次干涉，由此允许通过第一反射构件和第二反射构件发射与第一和第二平面之间的间隔相对应的波长的光。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2005242033A Spherical volume phase grating, its manufacturing method, and optical module and semiconductor laser module using the same 有权
标题翻译：球形体积相位磨粒及其制造方法和使用其的光学模块和半导体激光模块
公开(公告)号：JP2005242033A
公开(公告)日：2005-09-08
申请号：JP2004052542
申请日：2004-02-26
申请人： Kyocera Corp , 京セラ株式会社
发明人： OKUDA MICHITAKA , SHIGEOKA YOSHIYUKI , YASUJIMA HIROMI , TAKEI YUSUKE
IPC分类号： G02B6/42 , G02B5/18 , H01S5/14
摘要： PROBLEM TO BE SOLVED: To simplify an optical module, and to attain stabilization of the output characteristics of a semiconductor laser.
SOLUTION: A volume phase grating is made to have a composite function, by constituting a phase grating which is made to have a periodic refractive index change by using translucent material in globe shape and by adding a lens function and a filtering function by a diffracted light. Moreover, the optical module and a semiconductor module are realized, by connecting an optical device or a semiconductor laser to the spherical volume phase grating.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了简化光学模块，并且实现半导体激光器的输出特性的稳定化。解决方案：使体积相位光栅具有复合功能，通过构成通过使用球形半透明材料使周期性折射率变化的相位光栅，并且通过增加透镜功能和滤光功能衍射光。此外，通过将光学器件或半导体激光器连接到球形体积相位光栅来实现光学模块和半导体模块。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2005091165A Fbg-sensing system 有权
标题翻译： FBG传感系统
公开(公告)号：JP2005091165A
公开(公告)日：2005-04-07
申请号：JP2003325021
申请日：2003-09-17
申请人： Kyocera Corp , 京セラ株式会社
发明人： YASUJIMA HIROMI , TAKEI YUSUKE
IPC分类号： G01K11/12 , G01B11/16 , G02B6/02 , G02B6/10
摘要： PROBLEM TO BE SOLVED: To provide a stiff system with high reliability, without giving influence on signals of other FBG sensors, even if disconnection of the FBG sensor, connecting optical fibers or the like are damaged in an FBG-sensing system. SOLUTION: The FBG-sensing system is provided with a first optical coupler having a first port and a second port on one end side, and having a third port and a fourth port on the other end side. It also connects the optical fiber leading the output light of a wide-band light source or a wavelength variable light source to the first port, and connects second to n-th optical couplers (n: integer of 2 or larger) to the third port and the fourth port of the coupler in series. The FBG sensors are arranged in any one of or all the parts among each optical coupler, and the first port and/or the second port of the first optical coupler are set as signal detection ports. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：即使在FBG传感系统中FBG传感器，连接光纤等的断开被损坏，也可以提供高可靠性的刚性系统，而不影响其他FBG传感器的信号。解决方案：FBG感测系统设置有在一端侧具有第一端口和第二端口的第一光耦合器，并且在另一端侧具有第三端口和第四端口。它还将将宽带光源或波长可变光源的输出光引导到第一端口的光纤连接，并将第二至第n光耦合器（n：2或更大的整数）连接到第三端口和耦合器的第四端口串联。 FBG传感器布置在每个光耦合器中的任何一个或全部部分中，并且第一光耦合器的第一端口和/或第二端口被设置为信号检测端口。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2004119653A Wide band amplified spontaneous emission light source 审中-公开
公开(公告)号：JP2004119653A
公开(公告)日：2004-04-15
申请号：JP2002280345
申请日：2002-09-26
申请人： Kyocera Corp , 京セラ株式会社
发明人： TAKEI YUSUKE , YASUJIMA HIROMI , FURUKATA YUKIKO
IPC分类号： G02B6/02 , G02B6/10 , H01S3/06 , H01S3/10
摘要： PROBLEM TO BE SOLVED: To provide a wide band ASE (amplified spontaneous emission) light source, high in the output and stabilized in the output of wide band thereof. SOLUTION: The wide band ASE light source is constituted of an excitation light source, an erbium loading optical fiber generating the ASE light by the incidence of the excitation light, a reflecting means arranged at one end of the erbium loading optical fiber to reflect one part/or all of the ASE light emitted from the erbium loading optical fiber, a light multiplexer/demultiplexer for multiplexing or demultiplexing the excitation light and the ASE light, and a light isolator for removing returning light to the erbium loading optical fiber. In such a wide band ASE light source, the central wavelength of oscillation of the excitation light source is specified so as to be 1471-1487nm. COPYRIGHT: (C)2004,JPO

8. 发明专利

JP2001111145A WIDE BAND ASE LIGHT SOURCE 失效
公开(公告)号：JP2001111145A
公开(公告)日：2001-04-20
申请号：JP2000154916
申请日：2000-05-25
申请人： KYOCERA CORP
发明人： YASUJIMA HIROMI , FURUKATA YUKIKO , TAKEI YUSUKE , OKUDA MICHITAKA
IPC分类号： H01S3/06 , H01S3/094 , H01S3/10
摘要： PROBLEM TO BE SOLVED: To provide a wide band ASE light source which contains 1550 nm band and 1580 mn band, at a high output with a small excitation power. SOLUTION: A reflector 5 and an excitation light source 7 are multiplex- connected to one end of an amplifying optical fiber 3, and also an output terminal and another excitation light source 6 are multiplex-connected to another end, to constitute a wide band ASE light source.

9. 发明专利

JP2000294858A OPTICAL FIBER AMPLIFIER 失效
公开(公告)号：JP2000294858A
公开(公告)日：2000-10-20
申请号：JP9552899
申请日：1999-04-01
申请人： KYOCERA CORP
发明人： YASUJIMA HIROMI , TAKEI YUSUKE
IPC分类号： H01S3/06 , H01S3/067 , H01S3/094 , H01S3/0941 , H01S3/10 , H01S3/131 , H04B10/07 , H04B10/29 , H04B10/293
摘要： PROBLEM TO BE SOLVED: To maintain constant output even if there is any transient change in input light by exercising such a feedforward control that the values of the output of an input signal light detecting means are added to driving signals for a semiconductor laser for excitation through a feedforward compensator. SOLUTION: Such a feedforward compensation that the values of the output from an input light monitor 15 are added to driving signals for a semiconductor laser 14 for excitation at an adder 10 through a feedforward compensator F(s)17 and response speed is thereby improved. Further, the feedforward compensator F(s)17 has the property of reducing output with an increase of input signal light 1. Since there is inverse relation between the level of input signal light 1 and the driving current of the semiconductor laser 14 for excitation in the ALC and further there is nonlinear relationship wherein saturation occurs when the level of input signal light 1 is increased, feedforward compensation is performed in advance in accordance with the property.

10. 发明专利

JP2000286491A OPTICAL FIBER AMPLIFIER 失效
公开(公告)号：JP2000286491A
公开(公告)日：2000-10-13
申请号：JP9075799
申请日：1999-03-31
申请人： KYOCERA CORP
发明人： YASUJIMA HIROMI , TAKEI YUSUKE
IPC分类号： H01S3/06 , H01S3/067 , H01S3/094 , H01S3/0941 , H01S3/10 , H04B10/07 , H04B10/2507 , H04B10/29 , H04B10/296 , H04B10/16 , H04B10/17
摘要： PROBLEM TO BE SOLVED: To improve a transient characteristic by executing feed forward control for adding the output value of an input signal detection means to the driving signal of an excitation semiconductor laser through different feed forward compensators having system characteristics opposite to the amplifying gain characteristic of an amplification optical fiber. SOLUTION: An optical branching unit 20 and an optical branching unit 6 monitor input signal light 1 and output signal light 7. Respective outputs are connected to an input light monitor 8 and an output light monitor 13 and are converted into electric signal. The converted outputs are compared in a comparator 20 and an error signal is divided into tow signals. One controls an excitation semiconductor laser 9 through a phase compensator 16 and a laser driving circuit 10. The other controls an excitation semiconductor laser 11 through a phase compesnator 19 and a laser driving circuit 12. The output of the input light monitor 8 is added to control signals from phase compensators 16 and 18 through F1(s) 14 and F2(s) 17 of feed forward compensators.

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