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    • 1. 发明专利
    • Optical device
    • 光学装置
    • JP2013020227A
    • 2013-01-31
    • JP2012090292
    • 2012-04-11
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • TAKAHASHI KENICHIROKANIE TOMOHIKOINOUE SUSUMU
    • G02B6/26G02B6/04
    • PROBLEM TO BE SOLVED: To provide an optical device which has improved practicality and reduced coupling loss.SOLUTION: A multi-core fiber coupling device 100 is an optical device for coupling a multi-core fiber 10 to a single-core fiber 20 and includes: a first optical system S1 which is located on optical axes of a plurality of beams emitted from the multi-core fiber 10 and makes optical axes of respective beams non-parallel with each other to separate respective beams from each other; and a second optical system S2 which makes optical axes of the plurality of beams, which are non-parallel with each other on the side of the first optical system S1, approximately parallel with each other.
    • 要解决的问题:提供一种具有改进的实用性和降低的耦合损耗的光学装置。 解决方案:多芯光纤耦合装置100是用于将多芯光纤10耦合到单芯光纤20的光学装置,包括:第一光学系统S1,位于多个光纤20的光轴上 从多芯光纤10发射的光束,使各光束的光轴彼此不平行,以使各光束彼此分离; 以及第二光学系统S2,其使得在第一光学系统S1的侧面上彼此不平行的多个光束的光轴彼此大致平行。 版权所有(C)2013,JPO&INPIT
    • 2. 发明专利
    • Multi-core fiber terminal and connection structure thereof
    • 多芯光纤终端及其连接结构
    • JP2010286718A
    • 2010-12-24
    • JP2009141334
    • 2009-06-12
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • INOUE SUSUMUSASAOKA HIDEYORI
    • G02B6/04G02B6/02G02B6/32G02B6/40
    • PROBLEM TO BE SOLVED: To provide a terminal structure for effectively suppressing an increase in connection loss of a multi-core fiber. SOLUTION: A multi-core fiber terminal 100 includes: an SM (Single Mode) type multi-core fiber 10 having a plurality of SM type cores 11; and a graded-index lens array 20 melt-secured to the end surface 10a of the multi-core fiber. In the graded-index lens array 20, a refractive-index changing area 21 is set so as to align with the core arrangement at the end surface 10a of the SM type multi-core fiber 10. For examples, when the graded-index lens array is constituted of a GI (Graded Index) type multi-core fiber, each of the GI type cores is fit for the refractive-index changing area 21, then, the beam diameter of the light emitted from the end surface 10a of the SM type multi-core fiber 10 is made larger. Besides, by adjusting the thickness D of the graded-index lens array 20, the light having a suppressed divergence angle also is obtained. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种用于有效地抑制多芯光纤的连接损耗增加的端子结构。 解决方案:多芯光纤终端100包括:具有多个SM型芯11的SM(单模)型多芯光纤10; 并且分级折射率透镜阵列20熔融固定到多芯光纤的端面10a。 在渐变折射率透镜阵列20中,折射率变化区域21被设定为与SM型多芯光纤10的端面10a处的芯布置对准。例如,当分级折射率透镜 阵列由GI(渐变折射率)型多芯光纤构成,每个GI型芯适合折射率变化区域21,然后从SM的端面10a发射的光束的光束直径 使多芯光纤10变大。 此外,通过调整渐变折射率透镜阵列20的厚度D,也获得具有抑制发散角的光。 版权所有(C)2011,JPO&INPIT
    • 3. 发明专利
    • Image display device
    • 图像显示设备
    • JP2010276959A
    • 2010-12-09
    • JP2009130867
    • 2009-05-29
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • SHIMAZU TAKAYUKIINOUE SUSUMUSANO TOMOMITAKUSHIMA MICHIKOIYODA YOSHITOMO
    • G02B26/10G09G3/02
    • PROBLEM TO BE SOLVED: To suppress the shift of imaging position of light in a projection image display device which scans three kinds of light beams of RGB.
      SOLUTION: The image display includes: first to third light sources 12a to 12c; a scanning mechanism 14; first to third driver circuits 16a to 16c; a signal processing part 22; and a timing control part 26. The first light source generates light having a first wavelength, the second light source generates light having a second wavelength, and the third light source generates light having a third wavelength. The scanning mechanism scans the light beams from the first to the third light sources. The first to the third driver circuits drive the first to the third light sources, respectively based on modulation signals. The signal processing part supplies modulation signals to the first to the third driver circuits, respectively, based on image signals. The timing control part set timing when the modulation signals are supplied to the first to third driver circuits, and controls the timing when the modulation signals are supplied to the first to third driver circuits based on the determined timings.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:抑制扫描RGB的三种光束的投影图像显示装置中的光的成像位置的偏移。 图像显示器包括:第一至第三光源12a至12c; 扫描机构14; 第一至第三驱动电路16a至16c; 信号处理部22; 以及定时控制部26.第一光源产生具有第一波长的光,第二光源产生具有第二波长的光,第三光源产生具有第三波长的光。 扫描机构扫描从第一光源到第三光源的光束。 第一至第三驱动电路分别基于调制信号驱动第一至第三光源。 信号处理部分基于图像信号分别向第一至第三驱动电路提供调制信号。 定时控制部分将调制信号提供给第一至第三驱动电路时的定时,并且基于确定的定时来控制向第一至第三驱动电路提供调制信号的定时。 版权所有(C)2011,JPO&INPIT
    • 4. 发明专利
    • Image display device
    • 图像显示设备
    • JP2010276957A
    • 2010-12-09
    • JP2009130863
    • 2009-05-29
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • SHIMAZU TAKAYUKIINOUE SUSUMUSANO TOMOMITAKUSHIMA MICHIKOIYODA YOSHITOMONAKANISHI HIROMI
    • G02B27/18G02B6/42G02B27/02G03B21/00
    • PROBLEM TO BE SOLVED: To provide an image display device capable of providing an image at different positions while suppressing the increase in the number of light sources.
      SOLUTION: The image display device is constituted so that a first optical fiber and a fourth optical fiber guide light beams which are emitted from a first light source and split with a first beam splitter, a second optical fiber and a fifth optical fiber guide light beams which are emitted from a second light source and split with a second beam splitter, a third optical fiber and a sixth optical fiber guide light beams which are emitted from a third light source and split with a third beam splitter, first to sixth optical modulators modulate the light beams from the first to the sixth optical fibers, a first optical multiplexer multiplexes the light beams from the first to the third optical modulators, and a second optical multiplexer multiplexes the light beams from the fourth to the sixth optical modulators.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供能够在抑制光源数量的增加的同时在不同位置提供图像的图像显示装置。 解决方案:图像显示装置被构造成使得从第一光源发射并与第一分束器,第二光纤和第五光纤分离的第一光纤和第四光纤引导光束 引导从第二光源发射并与第二分束器分离的光束,第三光纤和第六光纤引导光束,其从第三光源发射并与第三分束器分离,第一至第六 光调制器调制来自第一至第六光纤的光束,第一光复用器复用来自第一至第三光调制器的光束,第二光复用器复用来自第四至第六光调制器的光束。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • Optical multiplexer and light source device
    • 光学多路复用器和光源设备
    • JP2010197459A
    • 2010-09-09
    • JP2009039155
    • 2009-02-23
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • TAKUSHIMA MICHIKOSHIOZAKI MANABUINOUE SUSUMU
    • G02B6/42
    • PROBLEM TO BE SOLVED: To provide an optical multiplexer and a light source device adapted to be downsized. SOLUTION: The light source device 1 includes the optical multiplexer 10, three light sources S 1 to S 3 and three lens systems L 1 to L 3 . The optical multiplexer 10 comprises an optical waveguide having: a core 13 extending between a first end face 11 and a second end face 12; and a clad 14 surrounding the core 13, wherein a diffraction grating for coupling light between the optical waveguide and the outside is formed on the first end face 11. The three light sources S 1 to S 3 output light having different wavelengths. The respective lenses L n condense the light output from the corresponding light sources S n to make the light incident to the first end face 11 of the optical waveguide of the optical multiplexer 10. The optical coupler 10 makes the light made incident to the first end face 11 propagate with the optical waveguide, multiplexes the light and emits the multiplexed light from the second end face 12 to the outside. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种适于小型化的光复用器和光源装置。 解决方案:光源装置1包括光复用器10,三个光源S 至S 3 和三个透镜系统L 1 L 3 。 光复用器10包括光波导,其具有:在第一端面11和第二端面12之间延伸的芯13; 以及围绕芯部13的包层14,其中在第一端面11上形成用于在光波导与外部之间耦合光的衍射光栅。三个光源S 至S 3 输出具有不同波长的光。 相应的透镜L n 将从相应的光源S n 输出的光聚合,以使入射到光复用器10的光波导的第一端面11的光 光耦合器10使入射到第一端面11的光与光波导传播,多路复用光并将多路复用的光从第二端面12发射到外部。 版权所有(C)2010,JPO&INPIT
    • 6. 发明专利
    • Optical component and light source unit
    • 光学元件和光源单元
    • JP2010156786A
    • 2010-07-15
    • JP2008334232
    • 2008-12-26
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • INOUE SUSUMUENDO SOICHIHASEGAWA TAKEMITARU TOSHIKINAGASHIMA TAKUSHI
    • G02B6/04F21V8/00F21Y101/02G02B6/42
    • PROBLEM TO BE SOLVED: To provide an optical component and a light source unit, which are easily manufactured.
      SOLUTION: In the light source unit 1, the diameter of a laser light beam output from a light source 10 is adjusted with lenses 21, 22, and the light beam is input to the one end 30A of the optical component 30. The optical component 30 is composed of a plurality of bundled optical waveguides. Each of the plurality of optical waveguides has different effective refractive index and a same length, and extends from one end 30A to the other end 30B. Each of the plurality of optical waveguides may have the same length in the extent smaller than the coherent length of the laser light output from the light source 10, i.e., the difference in the length, for example, may be 1 mm or smaller. The difference between the maximum optical path length and the minimum optical path length among the respective optical path lengths of the plurality of optical waveguides included in the optical component 30 is equal to or larger than the coherence length of the laser light output from the light source 10.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供容易制造的光学部件和光源单元。 解决方案:在光源单元1中,用透镜21,22调节从光源10输出的激光束的直径,并将光束输入到光学部件30的一端30A。 光学部件30由多个捆扎光波导构成。 多个光波导中的每一个具有不同的有效折射率和相同的长度,并且从一端30A延伸到另一端30B。 多个光波导中的每一个可以具有与从光源10输出的激光的相干长度相比更小的长度,即,长度差可以为1mm或更小。 包括在光学部件30中的多个光波导的各个光路长度中的最大光程长度与最小光程长度的差等于或大于从光源输出的激光的相干长度 10.版权所有(C)2010,JPO&INPIT
    • 7. 发明专利
    • End face inspection method and end face inspection apparatus
    • 末端检查方法和末端检查装置
    • JP2009128252A
    • 2009-06-11
    • JP2007305062
    • 2007-11-26
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • INOUE SUSUMUNAKAZATO KOJI
    • G01N25/18
    • PROBLEM TO BE SOLVED: To provide an end face inspection method and an end face inspection apparatus for accurately detecting the existence of a minute foreign substance.
      SOLUTION: The end face inspection apparatus 1 is an apparatus for inspecting an end face 91 of an optical fiber 90, and comprises: a light source 11 for a probe light; a light source 12 for a probe light; an emitted light detecting sensor 13; an observing light source 21; an observing imaging section 22; an analyzing section 30; lenses 41-44; and optical filters 51, 52. The probe light is output from the light source 11 or the light source 12, and irradiated to the end face 91 so as to be transmitted through the end face 91 and enter into or exit from the optical fiber 90. An intensity or a distribution of the emitted light generated due to the probe light irradiated to the end face 91 is detected by the emitted light detecting sensor 13. A temperature change is detected on the end face 91. The end face 91 is inspected by the analyzing section 30 based on a detection result of the temperature change.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于精确检测微小异物的存在的端面检查方法和端面检查装置。 解决方案:端面检查装置1是用于检查光纤90的端面91的装置,包括:用于探测光的光源11; 用于探测光的光源12; 发射光检测传感器13; 观察光源21; 观察成像部22; 分析部30; 镜头41-44; 探测光从光源11或光源12输出,照射在端面91上,透过端面91进入或退出光纤90 通过发射光检测传感器13检测由于照射到端面91的探测光而产生的发射光的强度或分布。在端面91上检测到温度变化。端面91被检查 分析部30基于温度变化的检测结果。 版权所有(C)2009,JPO&INPIT
    • 8. 发明专利
    • Laser treatment apparatus
    • 激光治疗装置
    • JP2008284293A
    • 2008-11-27
    • JP2007134497
    • 2007-05-21
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • HASEGAWA TAKEMIINOUE SUSUMUHATAYAMA HITOSHIMORI SHINTARO
    • A61B18/20
    • PROBLEM TO BE SOLVED: To provide a laser treatment apparatus capable of effectively reducing visual uncomfortable feeling due to emitted light periodically generated from a treatment object when irradiating the treatment object with a pulse laser beam.
      SOLUTION: A light source 11 for treatment outputs treatment light (first light) L
      1 which is the laser beam of a wavelength included in a wavelength range 400 to 460 nm (blue or blue-purple) by a prescribed repeating frequency. A light source 12 for guide outputs guide light (second light) L
      2 having a wavelength which is included in a visible wavelength band and is longer than the wavelength of the treatment light by the same repeating frequency as the output of the treatment light L
      1 . The guide light L
      2 is synchronized with the irradiation timing of the treatment light L
      1 and is turned to an opposite phase. The power change of the guide light L
      2 offsets the power change of the emitted light L
      3 generated by the irradiation of a part 2a to be irradiated with the treatment light L
      1 .
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种激光治疗装置,其能够在用脉冲激光束照射治疗对象时能够有效地减轻由治疗对象周期性地产生的发射光引起的视觉不适感。 解决方案:用于处理的光源11输出波长范围为400至460nm的波长的激光束(蓝色或蓝紫色)的处理光(第一光)L 1 )以规定的重复频率。 用于引导输出的光源12引导光(第二光)L 2 具有包括在可见波长带中并且比处理光的波长长的波长与与 治疗光L 1 的输出。 引导光L 2 与处理光L 1的照射定时同步,并转向相反相位。 引导光L 2的功率变化抵消了被照射待处理光L 2的部分2a照射产生的发射光L 3 的功率变化, SB> 1 。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Soldering method and equipment
    • 焊接方法和设备
    • JP2006281290A
    • 2006-10-19
    • JP2005106490
    • 2005-04-01
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • YAMADA EIICHIROINOUE SUSUMUNAKAZATO KOJIKOUDA HIROSHI
    • B23K1/005B23K31/02
    • PROBLEM TO BE SOLVED: To provide a soldering method with which solder can be uniformly deposited on both metallic members. SOLUTION: In the soldering method, a first metallic member 14 is joined to a second metallic member 12 with a solder 16. In the method, between the first and second metallic members, one has a higher temperature rising rate than the other. In this method, the solder is supplied in a manner straddling over the first and second metallic members, wherein the first metallic member is irradiated with a first light beam and the second metallic member is irradiated with a second light beam. The amount of energy imparted to one metallic member is made smaller than that imparted to the other. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种焊料可以均匀地沉积在两个金属部件上的焊接方法。 解决方案:在焊接方法中,第一金属构件14用焊料16接合到第二金属构件12.在该方法中,在第一和第二金属构件之间,具有比其他金属构件更高的升温速率 。 在该方法中,以跨越第一和第二金属构件的方式供给焊料,其中用第一光束照射第一金属构件,并且用第二光束照射第二金属构件。 赋予一个金属构件的能量的量小于赋予另一个金属构件的能量。 版权所有(C)2007,JPO&INPIT