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    • 1. 发明专利
    • Light deflection method and light deflector
    • 光偏转方法和光偏转器
    • JP2007225825A
    • 2007-09-06
    • JP2006046027
    • 2006-02-22
    • Dainichiseika Color & Chem Mfg Co LtdNational Institute Of Advanced Industrial & TechnologyTrimatiz:Kk大日精化工業株式会社株式会社トリマティス独立行政法人産業技術総合研究所
    • UENO ICHIROTANIGAKI NOBUTAKAYAMAMOTO NORITAKAMIZOKURO TOSHIKOHIRAGA TAKASHITANAKA NORIONAGAEDA HIROSHISHIGA NORIYASU
    • G02F1/29
    • PROBLEM TO BE SOLVED: To provide a light deflection method with which a magnitude of a deflection angle is adjusted with small power of control light, and a light deflector.
      SOLUTION: The light deflector has a signal light source to emit signal light 16 with one or more kinds of wavelengths; a control light source for emitting control light 17 of which the wavelength is different from that of the signal light; a thermal lens forming optical element containing a light absorption layer 22 which transmits the signal light 16 and selectively absorbs the control light 17; and a condensing means which condenses the control light 17 and the signal light 16 in the light absorption layer 22 having different convergent points, wherein the thermal lens forming optical element outputs signal light 19, of which the advancing direction is changed via a change of the refractive index by the action of the thermal lens reversibly, formed due to temperature rise caused by the control light 17 and the signal light 16, which converge in light-advancing directions on an incident plane of the light absorption layer 22 or in the vicinity thereof and subsequently diffuse, and generated in a region of the light absorption layer 22 where the control light 17 is absorbed and in its peripheral region.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种以较小的控制光功率调节偏转角度的大小的光偏转方法和光偏转器。 解决方案:光偏转器具有信号光源以发射具有一种或多种波长的信号光16; 用于发射波长不同于信号光的控制光17的控制光源; 包含透光信号光16并选择性地吸收控制光17的光吸收层22的热透镜形成光学元件; 以及冷凝装置,其将具有不同会聚点的光吸收层22中的控制光17和信号光16聚合,其中,热透镜形成光学元件输出信号光19,其中前进方向通过改变 由于由于在光吸收层22的入射面或其附近会聚在光前进方向上的控制光17和信号光16引起的温度升高而引起的热透镜的作用的折射率可逆地形成 并且随后在吸收光的吸收层22的区域中扩散并在其周边区域中产生。 版权所有(C)2007,JPO&INPIT
    • 3. 发明专利
    • Heat lens reciprocal optical path switching device and optical path switching method
    • 加热透镜复合光路切换装置和光路切换方法
    • JP2008052144A
    • 2008-03-06
    • JP2006229842
    • 2006-08-25
    • Dainichiseika Color & Chem Mfg Co LtdNational Institute Of Advanced Industrial & TechnologyTrimatiz Ltd大日精化工業株式会社株式会社トリマティス独立行政法人産業技術総合研究所
    • TANAKA NORIOSHIGA NORIYASUNAGAEDA HIROSHIUENO ICHIROHIRAGA TAKASHITANIGAKI NOBUTAKAYAMAMOTO NORITAKAMIZOKURO TOSHIKO
    • G02F1/31G02F1/01
    • PROBLEM TO BE SOLVED: To convert an energy distribution of a beam cross section into approximately a Gaussian distribution through an optical system as simple as possible and to increase the coupling efficiency to a single mode optical fiber.
      SOLUTION: A switching device includes: a heat lens forming element 11 that allows converged signal light to exit with a diverging angle larger than a normal diverging angle when a heat lens is formed by irradiation with control light 2; a mirror 80 with a hole that has a hole where signal light 5 exiting from the heat lens forming element 11 with a normal diverging angle is received by a light receiving lens 60 to collimate while changing the normal diverging angle and then passed through the hole and that receives signal light 6 exiting as diverging from the heat lens forming element 11 with a diverging angle larger than a normaldiverging angle, changes the diverging angle larger than the normal angle by the light receiving lens 60, and then specularly reflects the collimated light; and a means for separating signal light 1 propagating in the initial incident direction to the heat lens forming element 11 from signal light 7 specularly reflected by the mirror 80 with the hole and propagating in the opposite direction.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:通过尽可能简单的光学系统将束横截面的能量分布转换成大致高斯分布,并将耦合效率提高到单模光纤。 解决方案:开关装置包括:热透镜形成元件11,当通过照射控制光2形成热透镜时,允许会聚的信号光以大于正常发散角的发散角离开; 具有孔的反射镜80具有孔,其中具有正常发散角的从热透镜形成元件11出射的信号光5的孔由光接收透镜60接收以准直,同时改变正常发散角然后穿过孔, 接收从发热角度大于正常发散角度的散热角度出射的信号光6,由光接收透镜60改变大于法线角度的发散角,然后镜面反射准直光; 以及用于将由反射镜80镜面反射的信号光7从具有孔并沿相反方向传播的信号光7分离出将在初始入射方向上传播的信号光1分离到热透镜形成元件11的装置。 版权所有(C)2008,JPO&INPIT
    • 6. 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