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    • 5. 发明专利
    • Optical switching device
    • 光开关器件
    • JP2008026835A
    • 2008-02-07
    • JP2006202632
    • 2006-07-25
    • Dainichiseika Color & Chem Mfg Co LtdInterenergy Co LtdNational Institute Of Advanced Industrial & Technology大日精化工業株式会社株式会社インターエナジー独立行政法人産業技術総合研究所
    • HIRAGA TAKASHIUENO ICHIROYAMAMOTO NORITAKAMIZOKURO TOSHIKOTANIGAKI NOBUTAKATANAKA NORIOWATANABE HIROFUMIFUTAKI SHIRO
    • G02F1/29
    • PROBLEM TO BE SOLVED: To provide an optical switching device which is based on a new principle having never been proposed yet, and with which intensity of output light is varied in an analog fashion on a predetermined angular position.
      SOLUTION: The optical switching device has: a thermal lens effect element 4 which is equipped with a light absorption film having a wavelength band which exhibits a transmission property to light source light 2 being continuous light, and exhibits an absorption property to signal light 3 having a wavelength different from that of the light source light 2, and which exhibits a thermal lens effect based on a distribution of refractive indexes reversibly generated due to temperature rise produced on a region where the signal light 3 has been absorbed and on its peripheral region; a light signal input section 5 to receive the light source light 2 and the signal light 3 keeping a definite distance in between; and a light signal output section 7 having a pinhole 6, and varies intensity of output light from the pinhole 6 of the light signal output section 7 by varying intensity of the incident signal light 3 and changing a profile of output intensity distribution relative to angular positions of the light source light 2 with the thermal lens effect of the thermal lens effect element 4.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种基于从未提出的新原理的光学开关装置,并且输出光的强度以预定角度位置的模拟方式变化。 解决方案:光开关装置具有:热透镜效应元件4,其配备有具有作为连续光的光源光2的透射性的波长带的光吸收膜,并且具有对信号的吸收特性 具有与光源光2的波长不同的波长的光3,其具有基于在信号光3被吸收的区域产生的由于温度升高而可逆地产生的折射率分布的热透镜效应, 周边地区 光信号输入部分5,用于接收光源光2和信号光3之间保持一定的距离; 以及具有针孔6的光信号输出部分7,并且通过改变入射信号光3的强度并改变相对于角位置的输出强度分布的轮廓来改变来自光信号输出部分7的针孔6的输出光的强度 具有热透镜效应元件4的热透镜效果的光源光2。版权所有(C)2008,JPO&INPIT
    • 7. 发明专利
    • Optical path switching method and optical path switching device
    • 光路切换方法和光路切换装置
    • JP2007225827A
    • 2007-09-06
    • JP2006046029
    • 2006-02-22
    • Dainichiseika Color & Chem Mfg Co LtdNational Institute Of Advanced Industrial & Technology大日精化工業株式会社独立行政法人産業技術総合研究所
    • UENO ICHIROTANIGAKI NOBUTAKAYAMAMOTO NORITAKAMIZOKURO TOSHIKOHIRAGA TAKASHITANAKA NORIO
    • G02F1/31
    • PROBLEM TO BE SOLVED: To provide an optical path switching device in which the extinction ratio is high and one-input/multi outputs is feasible, and to provide an optical path switching method.
      SOLUTION: The optical path switching device has a signal light entrance terminal 1 for emitting a signal light; a control light entrance terminal 3 for emitting a control light, of which the wavelength is different from that of the signal light; a thermal lens forming optical element 7 containing a light absorption layer which transmits the signal light and selectively absorbs the control light; and first and second collimate lenses 2, 4 which condenses the control light and the signal light in the light absorption layer with convergent points, made different in a direction vertical with respect to the optical axis, wherein the thermal lens forming optical element 7 changes the advancing direction of the signal light by the action of the thermal lens reversibly formed due to temperature rise, caused by the control light and the signal light which converge in light-advancing directions on an incident plane of the light absorption layer or in the inside thereof and subsequently diffuse, and generated in a region of the light absorption layer where the control light is absorbed and in its peripheral region, and signal light with the advancing direction unchanged, because no irradiation with control light is imparted thereto and signal light with the advancing direction changed because irradiation with control light is imparted thereto are converged or is condensed by an identical first detector 11.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供消光比高且单输入/多输出可行的光路切换装置,并提供光路切换方法。 解决方案:光路切换装置具有用于发射信号光的信号光入射端1; 用于发射波长与信号光不同的控制光的控制光入射端3; 包含透光信号光并选择性地吸收控制光的光吸收层的热透镜形成光学元件7; 以及第一和第二准直透镜2,4,其使具有会聚点的光吸收层中的控制光和信号光在相对于光轴垂直的方向上不同,其中,热透镜形成光学元件7改变 由于控制光和在光吸收层的入射面上或其内部的光入射方向会聚的信号光引起的由于温度升高而可逆地形成的热透镜的作用的信号光的行进方向 并随后在控制光被吸收的光吸收层的区域和其周边区域中扩散并产生,并且由于不向其施加控制光的照射并且随着前进而发出信号光,所以前进方向不变的信号光 施加控制光的照射的方向变化,会聚或被相同的凝聚 第一检测器11.版权所有(C)2007,JPO&INPIT
    • 8. 发明专利
    • Wavelength conversion device and method
    • 波长转换器件及方法
    • JP2008250170A
    • 2008-10-16
    • JP2007093920
    • 2007-03-30
    • Dainichiseika Color & Chem Mfg Co LtdNational Institute Of Advanced Industrial & Technology大日精化工業株式会社独立行政法人産業技術総合研究所
    • HIRAGA TAKASHITANIGAKI NOBUTAKAUENO ICHIROYAMAMOTO NORITAKAMIZOKURO TOSHIKOTANAKA NORIO
    • G02F2/02G02F1/31
    • PROBLEM TO BE SOLVED: To provide a wavelength conversion technology by which the number of optical components can be reduced and cost reduction can be attained without using an electric circuit and a mechanical movable part, influence of electromagnetic wave interference is not received, a cause of electromagnetic wave interference is not produced and utilization of light having a wide wavelength selection range is made possible and which has high durability and whose real practical use is expected.
      SOLUTION: The wavelength conversion device includes a signal light inputting part 12 in which pulse-shaped signal light 14 having a specified wavelength is made incident, a light source 13 for light for conversion radiating light 15 for conversion having a wavelength different from that of the signal light 14, a heat lens forming means 11 having a light absorption layer having a wavelength band showing absorption properties to the signal light 14 and transmission properties to the light 15 for conversion and showing a heat lens effect and a conversion light selection part emitting only light for conversion to be deflection light whose going path is changed of emitted light for conversion as conversion light. In the light absorption layer of the heat lens forming means 11, the signal light 14 and light 15 for conversion are condensed so that condensing points are made different in a direction perpendicular to an optical axis.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供一种波长转换技术,通过该技术可以在不使用电路和机械可移动部分的情况下降低光学部件的数量并且可以实现成本降低,所以不接收电磁波干扰的影响, 不会产生电磁波干扰的原因,并且使得具有宽波长选择范围的光的使用成为可能,并且其具有高耐久性并且其预期的实际实际应用。 解决方案:波长转换装置包括信号光输入部分12,其中入射具有特定波长的脉冲信号光14,用于转换的光的光源13用于具有不同于 信号光14的热透镜形成装置11具有具有表示对信号光14的吸收特性的波长带的光吸收层和对转换用的光15的透射特性,并且显示出热透镜效果和转换光选择 部分仅发射用于转换的光以作为转换光的发射光的转变路径作为转换光的偏转光。 在热透镜形成装置11的光吸收层中,用于转换的信号光14和光15被冷凝,使得聚光点在与光轴垂直的方向上不同。 版权所有(C)2009,JPO&INPIT