专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5289551A Wye-branching optical circuit 失效
标题翻译： Wye分路光电路
公开(公告)号：US5289551A
公开(公告)日：1994-02-22
申请号：US782823
申请日：1991-10-25
申请人： Kenichi Nakama , Shigeru Kobayashi
发明人： Kenichi Nakama , Shigeru Kobayashi
IPC分类号： G02B6/122 , G02B6/125 , G02B6/28 , G02B6/00 , G02B6/36
CPC分类号： G02B6/125
摘要： A wye-branching optical circuit including an input waveguide and at least two output waveguides, which are single mode waveguides or multi-mode waveguides in which only several modes are propagated. The waveguides are formed in a substrate, wherein a portion of the input waveguide is a low effective refractive index waveguide where higher order modes are cut-off, and the effective refractive index of a fundamental mode is lower than in the other waveguides formed in the substrate.
摘要翻译：包括输入波导和至少两个输出波导的支流分支光学电路，其是仅传播几种模式的单模波导或多模波导。波导形成在衬底中，其中输入波导的一部分是低有效折射率波导，其中较高阶模被切断，并且基模的有效折射率低于形成在其中的其它波导中的有效折射率基质。

2. 发明授权

US5160360A Process for producing low-loss embedded waveguide 失效
标题翻译：低损耗嵌入式波导的制造工艺
公开(公告)号：US5160360A
公开(公告)日：1992-11-03
申请号：US609545
申请日：1990-11-06
申请人： Masafumi Seki , Hideki Hashizume , Kenichi Nakama , Shigeru Kobayashi
发明人： Masafumi Seki , Hideki Hashizume , Kenichi Nakama , Shigeru Kobayashi
IPC分类号： G02B6/13 , C03C21/00 , G02B6/02
CPC分类号： C03C21/001
摘要： A process for producing a low-loss embedded waveguide is disclosed, which comprises: a first ion exchange step in which a glass substrate containing a monovalent ion and capable of undergoing ion exchange is subjected to thermal ion exchange through an ion exchange-control film provided on the substrate and having a predetermined waveguide pattern formed therein, by immersing the substrate in a first molten salt containing a first monovalent ion capable of changing the refractive index of the substrate; an etching step in which the ion exchange-control film is removed form the substrate by etching; an electric field-applying annealing step in which an electric field is applied to the substrate at substantially right angles to the substrate at a temperature near the temperature at which the first ion exchange step was conducted, provided that the side of the substrate which had the ion exchange-control film is used as a positive potential side; and a second ion exchange step in which the resulting glass substrate is subjected to thermal ion exchange by immersing the substrate in a second molten salt containing a second monovalent ion capable of changing the refractive index of the substrate in a manner contrary to the first monovalent ion.
摘要翻译：公开了一种低损耗嵌入式波导的制造方法，该方法包括：第一离子交换步骤，其中含有一价离子并能进行离子交换的玻璃基板通过提供的离子交换控制膜进行热离子交换通过将衬底浸入含有能够改变衬底的折射率的第一单价离子的第一熔盐中，在衬底上形成预定的波导图案，通过蚀刻从衬底去除离子交换控制膜的蚀刻步骤; 电场施加退火步骤，其中在接近第一离子交换步骤的温度的温度下，将电场以基本上与基板成直角的方式施加到基板上，只要具有离子交换控制膜用作正电位侧; 以及第二离子交换步骤，其中所得玻璃基板通过将基板浸入含有能够以与第一单价离子相反的方式改变基板的折射率的第二单价离子的第二熔盐中进行热离子交换。

3. 发明授权

US07405824B2 Optical coupling system of light measuring device and sample 有权
标题翻译：光测量装置和样品的光耦合系统
公开(公告)号：US07405824B2
公开(公告)日：2008-07-29
申请号：US11558059
申请日：2006-11-09
申请人： Naoko Hikichi , Kenichi Nakama
发明人： Naoko Hikichi , Kenichi Nakama
IPC分类号： G01J3/30
CPC分类号： G01N21/645 , B01L3/5082 , B01L2300/0654 , B01L2300/0851 , G01N2021/6484
摘要： A light measuring device is designed, so that excitation light, emitted by a light source, is guided through an excitation light optical fiber to irradiate a sample, and that fluorescence discharged by the sample is guided to an optical detection system through a receiving light optical fiber. A coupling lens is arranged ahead of the excitation light optical fiber and ahead of the receiving light optical fiber on the sample side. A sample container for retaining a sample is so designed that a lens portion, for collecting excitation light and fluorescence, is integrally formed with the cylindrical bottom. According to this arrangement, excitation light is changed to parallel light or converged light by the coupling lens, and is collected at the sample by the lens portion integrally formed with the bottom of the sample container.
摘要翻译：设计光测量装置，使得由光源发射的激发光被引导通过激发光光纤照射样品，并且由样品放出的荧光通过接收光学光学引导到光学检测系统纤维。耦合透镜布置在激发光光纤之前并且在样品侧的接收光纤之前。用于保持样品的样品容器被设计成使得用于收集激发光和荧光的透镜部分与圆柱形底部一体形成。根据该结构，激发光通过耦合透镜变成平行的光或会聚光，并且通过与样本容器的底部一体形成的透镜部分在样品处收集。

4. 发明授权

US07238935B2 Light detection device 失效
标题翻译：光检测装置
公开(公告)号：US07238935B2
公开(公告)日：2007-07-03
申请号：US11234748
申请日：2005-09-23
申请人： Kenichi Asada , Kenjiro Hamanaka , Masahiro Oikawa , Kenichi Nakama
发明人： Kenichi Asada , Kenjiro Hamanaka , Masahiro Oikawa , Kenichi Nakama
IPC分类号： H01J3/14
CPC分类号： G01J1/58 , G01J1/0271 , G01J1/0403 , G01J1/0407 , G01J1/0425
摘要： A light detection device for detecting an optical path position of invisible light. The detection device includes a main body and a light guide. The light guide includes a distal end functioning as a light incident portion through which the detected light enters and a light radiation portion from which visible light is emitted. A drive mechanism reciprocates the light guide in an X-direction while vibrating the light guide in a perpendicular Y-direction. The distal end of the light guide rod moves within a light detection area in an XY plane. A visible light-emitting unit radiates visible light from the distal end when the detected light enters the distal end. The visible light-emitting unit includes a photo-detector for detecting the detected light and a light-emitting element for generating the visible light when the photo-detector detects the detected light.
摘要翻译：一种用于检测不可见光的光路位置的光检测装置。检测装置包括主体和光导。光导包括用作被检测光入射的光入射部分的远端和从其发射可见光的光辐射部分。驱动机构使光导沿X方向往复运动，同时在垂直的Y方向振动导光体。导光杆的远端在XY平面内的光检测区域内移动。当检测到的光进入远端时，可见光发射单元从远端辐射可见光。可见光发射单元包括用于检测检测到的光的光检测器和当光检测器检测到检测到的光时产生可见光的发光元件。

5. 发明授权

US07139139B2 Optical module 失效
公开(公告)号：US07139139B2
公开(公告)日：2006-11-21
申请号：US10359108
申请日：2003-02-05
申请人： Shigeki Nagasaka , Kenichi Nakama
发明人： Shigeki Nagasaka , Kenichi Nakama
IPC分类号： G02B27/00 , G02B5/00 , G02B7/00
CPC分类号： G02B6/29307 , G02B6/2931 , G02B6/2938 , G02B6/4214 , H04J14/02
摘要： An optical module includes a package, which accommodates an optical system. A package main body has an opening. A lid is attached to the main body to close the opening of the main body. The lid seals the package. An anti-deterioration agent for preventing deterioration of the optical system is located inside the package at a position out of a light path of the optical system. The anti-deterioration agent includes at least one of desiccant and deoxidant.

6. 发明授权

US07113338B2 Thin-film structure and method for producing the same 失效
标题翻译：薄膜结构及其制造方法
公开(公告)号：US07113338B2
公开(公告)日：2006-09-26
申请号：US10946388
申请日：2004-11-24
申请人： Terufusa Kunisada , Satoru Kusaka , Kenichi Nakama
发明人： Terufusa Kunisada , Satoru Kusaka , Kenichi Nakama
IPC分类号： G02B1/10
CPC分类号： G02F1/133528 , C03C17/3607 , C03C17/3647 , C03C2217/77 , C03C2218/113 , C03C2218/154 , G02B5/3058 , G02F2001/133548
摘要： A thin-film structure includes plate-shaped metals or plate-shaped structures in which a plate-shaped metal and a plate-shaped dielectric are in contact. The plate-shaped metal or structures are formed on a transparent base having a surface with line-shaped corrugated structures. The plate-shaped metals or structures are perpendicular to or oblique to the surface of the base. The thin-film structure has characteristics suitable for polarizers used in liquid crystal projectors and the like.
摘要翻译：薄膜结构包括板状金属或板状结构，其中板状金属和板状电介质接触。板状金属或结构形成在具有线状波纹结构的表面的透明基底上。板状金属或结构垂直于或倾斜于基部的表面。该薄膜结构具有适用于液晶投影机等中使用的偏振片的特性。

7. 发明授权

US06974264B2 Optical module and method for producing the same 失效
标题翻译：光模块及其制造方法
公开(公告)号：US06974264B2
公开(公告)日：2005-12-13
申请号：US10093060
申请日：2002-03-08
申请人： Kenichi Nakama , Tsuyoshi Yamane , Shigeki Nagasaka
发明人： Kenichi Nakama , Tsuyoshi Yamane , Shigeki Nagasaka
IPC分类号： G02B6/34 , G02B6/42 , G02B6/32 , G02B6/43
CPC分类号： G02B6/4249 , G02B6/278 , G02B6/2931 , G02B6/29398 , G02B6/4204 , G02B6/4213 , G02B6/4215 , G02B6/4219 , G02B6/4244 , G02B6/4253 , G02B6/426
摘要： In a small-sized optical module, opposite side surfaces of a collimator lens (2) and opposite side surfaces of a polarization compensating filter (5) are fixed to opposite side surfaces of a rectangular frame (4). Two open surfaces are provided in the rectangular frame (4), so that optical components can be finely adjusted easily, and a large number of small-sized optical components can be aligned and assembled accurately. Reinforcing members (6) are provided in the open surfaces of the rectangular frame (4) so that the shape of the rectangular frame (4) can be retained against external force. After a diffraction grating (3) is fixed to the reinforcing members (6), the reinforcing members (6) with the diffraction grating (3) are adjusted, aligned and fixed to the rectangular frame (4).
摘要翻译：在小型光模块中，准直透镜（2）的相对侧面和偏振补偿滤光片（5）的相对侧面固定在矩形框架（4）的相对侧面上。在矩形框架（4）中设有两个敞开的表面，从而可以容易地调整光学部件，并且可以精确对准和组装大量的小尺寸光学部件。加强构件（6）设置在矩形框架（4）的开放表面中，使得矩形框架（4）的形状可以抵抗外力而保持。在将衍射光栅（3）固定到加强构件（6）之后，将具有衍射光栅（3）的加强构件（6）调整并对齐并固定在矩形框架（4）上。

8. 发明授权

US06753064B1 Multi-layered coated substrate and method of production thereof 失效
标题翻译：多层涂布基材及其制造方法
公开(公告)号：US06753064B1
公开(公告)日：2004-06-22
申请号：US09529990
申请日：2000-04-24
申请人： Kenichi Nakama , Katsuhide Shimmo
发明人： Kenichi Nakama , Katsuhide Shimmo
IPC分类号： G02B110
CPC分类号： C03C1/008 , B29C43/021 , B29C43/027 , B29C43/146 , B29C43/36 , B29K2105/0061 , B29L2011/005 , B32B38/00 , C03C17/002 , C03C17/007 , C03C17/009 , C03C17/3417 , C03C2217/212 , C03C2217/23 , C03C2217/40 , C03C2217/77 , C03C2218/32 , G02B3/0031 , G02B3/005 , G02B3/0056 , G11B7/24 , G11B7/26 , Y10T428/24479 , Y10T428/24521
摘要： The invention provides a multilayer-coated substrate which has recesses and projections of an accurate shape on the surface and has high heat resistance and a high degree of integration, and further provides a process for producing the same.
摘要翻译：本发明提供了一种多层涂布基板，其在表面上具有精确形状的凹凸，具有高耐热性和高集成度，并且进一步提供了其制造方法。

9. 发明授权

US06690002B2 Photodetector array and optical communication monitor module using the same 失效
标题翻译：光电检测器阵列和光通信监控模块使用相同
公开(公告)号：US06690002B2
公开(公告)日：2004-02-10
申请号：US09915477
申请日：2001-07-27
申请人： Yasunao Kuroda , Takashi Tagami , Kenichi Nakama
发明人： Yasunao Kuroda , Takashi Tagami , Kenichi Nakama
IPC分类号： H01J4014
CPC分类号： G01J3/18 , G01J3/0256 , G01J3/2803 , G02B6/2931 , G02B6/29385 , G02B6/4215 , H01L27/1443 , H01L27/14625 , H04J14/02
摘要： When a diffraction grating having a grating period of d and a diffraction order of m for an incident light having a wavelength interval &Dgr;&lgr;i between i'th and (i+1)'th channels is used, an optical path length between the diffraction grating and the photodetector is represented by L and a mean output angle is represented by &thgr;o, a pitch pi between the i'th and (i+1)'th photodetectors in the photodetector array satisfies the equation of pi=m&Dgr;&lgr;iL/d cos &thgr;o.
摘要翻译：当使用具有第i和第（i + 1）个通道之间具有波长间隔Deltalambdai的入射光的光栅周期d和衍射级数为m的衍射光栅时，衍射光栅与光电检测器由L表示，平均输出角由θo表示，光电检测器阵列中第i和第（i + 1）个光电检测器之间的间距p i满足pi = mDeltalambdaiL / dcosθo的方程。

10. 发明授权

US06256436B1 Optical wavelength demultiplexer 失效
标题翻译：光波分复用器
公开(公告)号：US06256436B1
公开(公告)日：2001-07-03
申请号：US09457236
申请日：1999-12-08
申请人： Kenichi Nakama
发明人： Kenichi Nakama
IPC分类号： G02B634
CPC分类号： G02B6/29308 , G02B6/2931 , G02B6/2938 , G02B6/4206 , G02B6/425
摘要： An optical wavelength demultiplexer has at least two optical fibers and a two-dimensional array of photodetectors arranged in as many rows as the number of optical fibers and as many columns as the number of demultiplex channels. Any one of said optical fibers and a central line of one of said rows which corresponds to said any one of the optical fibers are spaced equal distances from the optical axis of a focusing element such as a collimator lens or a concave diffraction grating. A light ray emitted from any one of the optical fibers is demultiplexed by a planar or concave diffraction grating into light rays, which are applied to a corresponding row of photodetectors to produce output signals in the respective demultiplex channels. The planar diffraction grating and the collimator lens, or the concave diffraction grating is shared by the at least two optical fibers which provide input capabilities.
摘要翻译：光学波长解复用器具有至少两根光纤和二维阵列的光电检测器，它们布置成与光纤数量一样多的列，并且与多路复用通道的数量一样多列。所述光纤中的任何一个和对应于所述任一光纤的所述行之一的中心线与诸如准直透镜或凹衍射光栅的聚焦元件的光轴间隔相等的距离。从任何一个光纤发射的光线被平面或凹入的衍射光栅解复用为光线，其被施加到相应的一行光电检测器以在各个解复用信道中产生输出信号。平面衍射光栅和准直透镜或凹衍射光栅由提供输入能力的至少两根光纤共享。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式