公开(公告)号：US07551824B2

公开(公告)日：2009-06-23

申请号：US11693509

申请日：2007-03-29

申请人： Ning Guan ,  Katsuhiro Takenaga ,  Kuniharu Himeno

发明人： Ning Guan ,  Katsuhiro Takenaga ,  Kuniharu Himeno

IPC分类号： G02B6/036

CPC分类号： G02B6/02347 ,  G02B6/02328 ,  G02B6/02333 ,  G02B6/02338

摘要： An extended triangular lattice type photonic bandgap fiber, includes a cladding and a capillary core, the cladding having a plurality of holes disposed within a silica glass portion in a longitudinal direction of the fiber and arranged in an extended triangular lattice shape, the capillary core having a plurality of holes arranged in a triangular lattice shape, wherein the cross-sectional area of the respective holes in the capillary core is smaller than that of the respective holes in the cladding.

摘要翻译： 一种扩展的三角格子型光子带隙光纤，包括包层和毛细芯，所述包层具有多个孔，所述多个孔沿着所述纤维的长度方向设置在石英玻璃部内，并且布置成延伸的三角形格子状，所述毛细芯具有 布置成三角形格子形状的多个孔，其中毛细管芯中各个孔的横截面面积小于包层中相应孔的横截面面积。

公开(公告)号：US20080170830A1

公开(公告)日：2008-07-17

申请号：US11623644

申请日：2007-01-16

申请人： Ning Guan ,  Katsuhiro Takenaga ,  Kuniharu Himeno

发明人： Ning Guan ,  Katsuhiro Takenaga ,  Kuniharu Himeno

IPC分类号： G02B6/032 ,  C03B37/022

CPC分类号： C03B37/01208 ,  C03B37/01248 ,  C03B2203/14 ,  C03B2203/16 ,  C03B2203/42 ,  G02B6/02328 ,  G02B6/02333 ,  G02B6/02338 ,  G02B6/02347

摘要： A photonic band gap fiber is provided having multiple air holes in a silica portion extending in the longitudinal direction of the fiber. The fiber includes a cladding containing an air hole periodic structure in an extended triangular lattice configuration, wherein first rows each having a number of air holes at a first pitch are arranged alternately in the cross section of the fiber with multiple second rows of air holes each with multiple air holes at a second pitch which is twice the first pitch. The fiber further includes an air hole core.

摘要翻译： 光纤带隙光纤被提供为具有沿着光纤的纵向方向延伸的二氧化硅部分中的多个气孔。 纤维包括包含延伸的三角形格子构造的气孔周期性结构的包层，其中在纤维的横截面中交替地布置了具有第一节距的多个气孔的第一排，每排具有多个第二排气孔 具有第二间距的多个气孔，其是第一节距的两倍。 纤维还包括气孔芯。

公开(公告)号：US07267495B2

公开(公告)日：2007-09-11

申请号：US11154731

申请日：2005-06-17

申请人： Ryuji Suzuki ,  Kazuhiko Aikawa ,  Kuniharu Himeno ,  Ning Guan

发明人： Ryuji Suzuki ,  Kazuhiko Aikawa ,  Kuniharu Himeno ,  Ning Guan

IPC分类号： G02B6/255

CPC分类号： G02B6/2551 ,  G02B6/02347 ,  G02B6/02361

摘要： A connection method for a photonic crystal fiber for connecting the photonic crystal fiber and a fiber to be connected, the photonic crystal fiber including a cladding region having a number of microholes and a core region having a same refractive index as that of the cladding region, includes the steps of: abutting respective end faces of the photonic crystal fiber and the fiber to be connected each other; after the abutting, performing a main discharge in which an abutted portion is heated by an electric discharge under a first condition; and after the main discharge, performing an additional discharge in which the connection portion is heated by an electric discharge at least once under a second condition to increase a splice strength.

摘要翻译： 一种用于连接光子晶体光纤和待连接光纤的光子晶体光纤的连接方法，包括具有多个微孔的包层区域和具有与包层区域相同折射率的纤芯区域的光子晶体光纤， 包括以下步骤：将要连接的光子晶体光纤和光纤的各个端面邻接; 在抵接之后，在第一状态下进行通过放电加热抵接部的主放电; 并且在主放电之后，在第二条件下进行至少一次的放电使连接部分被加热的附加放电以增加接合强度。

公开(公告)号：US20120195563A1

公开(公告)日：2012-08-02

申请号：US13403539

申请日：2012-02-23

申请人： Katsuhiro Takenaga ,  Ning Guan ,  Syouji Tanigawa

发明人： Katsuhiro Takenaga ,  Ning Guan ,  Syouji Tanigawa

IPC分类号： G02B6/02

CPC分类号： G02B6/02042

摘要： The multicore fiber comprises 7 or more cores, wherein diameters of the adjacent cores differ from one another, wherein each of the cores performs single-mode propagation, wherein a relative refractive index difference of each of the cores is less than 1.4%, wherein a distance between the adjacent cores is less than 50 μm, wherein, in a case where a transmission wavelength of each of the cores is λ, the distance between the adjacent cores is , a mode field diameter of each of the cores is MFD, and a theoretical cutoff wavelength of each of the cores is λc, (/MFD)·(2λc/(λc+λ))≧3.95 is satisfied, and wherein a distance between the outer circumference of the coreand an outer circumference of the clad is 2.5 or higher times as long as the mode field diameter of each of the cores.

摘要翻译： 多核纤维包括7个或更多个芯，其中相邻芯的直径彼此不同，其中每个芯执行单模传播，其中每个芯的相对折射率差小于1.4％，其中 相邻芯之间的距离小于50μm，其中，在每个芯的透射波长为λ的情况下，相邻芯之间的距离为每个芯的模场直径为MFD，并且 每个芯的理论截止波长为λc，（/MFD）·（2λc/（λc+λ））≥3.95满足，并且其中芯的外周与包层的外周之间的距离为2.5或 只要每个芯的模场直径就更高。

公开(公告)号：US08125392B2

公开(公告)日：2012-02-28

申请号：US12439611

申请日：2007-08-28

申请人： Hirotaka Furuya ,  Ning Guan

发明人： Hirotaka Furuya ,  Ning Guan

IPC分类号： H01Q1/38

CPC分类号： H01Q1/38 ,  H01Q5/385 ,  H01Q13/10

摘要： An antenna 1 includes: a plate-like base 3 made of an insulating material; and a conductor 5 in a predetermined shape, which has multiple cut-out portions 10, 13, 15 and which is provided at a predetermined position of the base 3 to obtain predetermined antenna characteristics. The antenna 1 is configured so that the antenna characteristics can be mostly maintained even when the base 3 is deformed into a predetermined curved-surface shape.

摘要翻译： 天线1包括：由绝缘材料制成的板状基座3; 以及具有多个切口部分10,13,15的预定形状的导体5，并且设置在基座3的预定位置以获得预定的天线特性。 天线1被配置为使得即使当基座3变形成预定的曲面形状时，天线特性也可大部分被维持。

公开(公告)号：US07855622B2

公开(公告)日：2010-12-21

申请号：US11867528

申请日：2007-10-04

申请人： Ning Guan

发明人： Ning Guan

IPC分类号： H01P1/203

CPC分类号： H01P1/2013 ,  H01P1/203

摘要： A reflection-type bandpass filter for ultra-wideband wireless data communication is provided. The filter comprises two conductors extending in a first direction on the surface of a dielectric substrate at a first distance from each other, the surface of the dielectric substrate between the conductors defining a non-conducting portion, wherein the width of the two conductors or the first distance, or both, varies in a length direction of the two conductors. Furthermore, a reflection-type bandpass filter comprising a dielectric substrate; a first conductor provided on the surface of the dielectric substrate; and a side conductor provided next to the first conductor at a first distance from the first conductor, with a non-conducting portion intervening a portion between the first and side conductors, wherein the first conductor width or the distance between the first and side conductors, or both, varies along the length direction of the first conductor, is provided.

摘要翻译： 提供了一种用于超宽带无线数据通信的反射型带通滤波器。 滤波器包括两个导体，它们在电介质基片的表面上以第一距离彼此延伸，第一方向延伸，导电体之间的介电基片的表面限定非导电部分，其中两个导体或 第一距离或两者在两个导体的长度方向上变化。 此外，包括电介质基板的反射型带通滤波器; 设置在所述电介质基板的表面上的第一导体; 以及侧导体，设置在距离第一导体第一距离处的第一导体旁边，具有介于第一和第二导体之间的部分的非导电部分，其中第一导体宽度或第一和第二导体之间的距离， 或两者都沿着第一导体的长度方向变化。

公开(公告)号：US20090273524A1

公开(公告)日：2009-11-05

申请号：US12439611

申请日：2007-08-28

申请人： Hirotaka Furuya ,  Ning Guan

发明人： Hirotaka Furuya ,  Ning Guan

IPC分类号： H01Q1/38

CPC分类号： H01Q1/38 ,  H01Q5/385 ,  H01Q13/10

摘要： An antenna 1 includes: a plate-like base 3 made of an insulating material; and a conductor 5 in a predetermined shape, which has multiple cut-out portions 10, 13, 15 and which is provided at a predetermined position of the base 3 to obtain predetermined antenna characteristics. The antenna 1 is configured so that the antenna characteristics can be mostly maintained even when the base 3 is deformed into a predetermined curved-surface shape.

摘要翻译： 天线1包括：由绝缘材料制成的板状基座3; 以及具有多个切口部分10,13,15的预定形状的导体5，并且设置在基座3的预定位置以获得预定的天线特性。 天线1被配置为使得即使当基座3变形成预定的曲面形状时，天线特性也可大部分被维持。

公开(公告)号：US07406235B2

公开(公告)日：2008-07-29

申请号：US10934723

申请日：2004-09-07

申请人： Ning Guan ,  Katsuhiro Takenaga ,  Kuniharu Himeno

发明人： Ning Guan ,  Katsuhiro Takenaga ,  Kuniharu Himeno

IPC分类号： G02B6/02

CPC分类号： G02B6/0288 ,  G02B6/03622 ,  G02B6/03694

摘要： A graded-index multimode fiber includes a core made of silica glass, the core having a central region and an outer peripheral region, and a cladding which is provided at an outer periphery of the core. The central region contains one of germanium and phosphorus, and the outer peripheral region contains fluorine.

摘要翻译： 分级折射率多模光纤包括由石英玻璃制成的芯，芯具有中心区域和外周区域，以及设置在芯的外周的包层。 中心区含有锗和磷之一，外周区含有氟。

公开(公告)号：US07263267B2

公开(公告)日：2007-08-28

申请号：US10866828

申请日：2004-06-15

申请人： Ning Guan ,  Kazuhiko Aikawa ,  Masashi Ikeda ,  Kuniharu Himeno ,  Koichi Harada

发明人： Ning Guan ,  Kazuhiko Aikawa ,  Masashi Ikeda ,  Kuniharu Himeno ,  Koichi Harada

IPC分类号： G02B6/02 ,  G02B6/22 ,  G02B6/00

CPC分类号： G02B6/03644 ,  G02B6/02261 ,  G02B6/03627 ,  G02B6/14 ,  G02B6/268 ,  G02B6/2835

摘要： A higher order mode dispersion compensating fiber includes an optical fiber and a first loss layer which is provided within the fiber and which attenuates a lower order mode propagating through the optical fiber while not attenuating a higher order mode which is higher than the lower order mode. A dispersion compensating fiber mode converter for a higher order fiber includes a single mode fiber; a higher order mode dispersion compensating fiber; and a fused and extended portion which has been formed by fusing and extending the single mode fiber and the higher order mode fiber. The fused and extended portion converts between the LP01 mode of the single mode fiber and the LP02 mode of the higher order mode dispersion compensating fiber.

摘要翻译： 高阶模式色散补偿光纤包括光纤和第一损耗层，该第一损耗层设置在光纤内，并且衰减低通过光纤传播的低阶模，同时不衰减高于低阶模的高阶模。 用于高阶光纤的色散补偿光纤模式转换器包括单模光纤; 高阶模色散补偿光纤; 以及通过熔融和延伸单模光纤和高阶模光纤而形成的熔接和延伸部分。 融合和扩展部分在单模光纤的LP 01模式和高阶模色散补偿光纤的LP <02> / O模式之间转换。

公开(公告)号：US07242870B2

公开(公告)日：2007-07-10

申请号：US11036981

申请日：2005-01-19

申请人： Ning Guan ,  Katsuhiro Takenaga ,  Kuniharu Himeno

发明人： Ning Guan ,  Katsuhiro Takenaga ,  Kuniharu Himeno

IPC分类号： H04B10/00

CPC分类号： H04J14/02 ,  G02B6/0288

摘要： A wavelength division multiplexing system includes a wavelength division multiplexing transmission path including a multimode optical fiber that is codoped with germanium and fluorine. The wavelength division multiplexing system may further include a multiplexer and a demultiplexer, in which the multiplexer and the demultiplexer are coupled via the multimode optical fiber. The wavelength division multiplexing system may further include a first multiplexer/demultiplexer and a second multiplexer/demultiplexer, in which the first multiplexer/demultiplexer and the second multiplexer/demultiplexer are coupled via the multimode optical fiber so that a bidirectional wavelength division multiplexing is enabled.

摘要翻译： 波分复用系统包括波分复用传输路径，其包括与锗和氟共掺的多模光纤。 波分复用系统还可以包括多路复用器和解复用器，其中复用器和解复用器经由多模光纤耦合。 波分复用系统还可以包括第一多路复用器/解复用器和第二多路复用器/解复用器，其中第一多路复用器/解复用器和第二多路复用器/解复用器经由多模光纤耦合，使得能够进行双向波分复用。