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    • 4. 发明授权
    • Optical element, optical control method and device using this optical element, and method of manufacturing optical element
    • 光学元件,使用该光学元件的光学控制方法和装置以及光学元件的制造方法
    • US06452710B1
    • 2002-09-17
    • US09485058
    • 2000-02-03
    • Takashi HiragaTetsuo MoriyaNorio TanakaHiromitsu YanagimotoIchiro UenoKoji Tsujita
    • Takashi HiragaTetsuo MoriyaNorio TanakaHiromitsu YanagimotoIchiro UenoKoji Tsujita
    • G02F103
    • G02F1/293G02F1/0147
    • An optical element, optical control device and optical control method are provided which demonstrate a large, rapid optical response using a laser light of low output as a control light. A signal light 1 is emitted from an optical source 1. A signal light 2 emitted from an optical source 2. A control light and the signal light are converged by a condenser lens 7, and irradiate an optical element 8. Only the signal light is detected by a photodetector 22 through a light receiving lens 9 and a wavelength selection filter 20. A thermal lens is formed reversibly in the optical element and switching the control light ON and OFF modulates the intensity of the signal light. The optical element has a laminar structure comprising a heat transfer film/heat insulation film/light absorption film/heat insulation film/heat transfer film, for example, and a sufficiently large and rapid optical response is obtained using low output laser light as the control light by adjusting the thickness of the light absorption film so that it does not exceed twice the confocal length of the converged control light.
    • 提供了一种光学元件,光学控制装置和光学控制方法,其显示了使用低输出的激光作为控制光的大而快速的光学响应。 从光源1发射信号光1.从光源2发射的信号光2.控制光和信号光由聚光透镜7会聚,并照射光学元件8.只有信号光是 通过光接收透镜9和波长选择滤光器20由光电检测器22检测。热透镜在光学元件中可逆地形成,并且控制灯的ON和OFF切换调制信号光的强度。 例如,光学元件具有包括传热膜/隔热膜/光吸收膜/隔热膜/传热膜的层状结构,并且使用低输出激光作为控制来获得足够大且快速的光学响应 通过调节光吸收膜的厚度使得其不超过会聚控制光的共焦长度的两倍。
    • 6. 发明授权
    • Optical computer
    • 光电脑
    • US5880862A
    • 1999-03-09
    • US761347
    • 1996-12-06
    • Takashi HiragaTetsuo MoriyaNorio TanakaIchiro Ueno
    • Takashi HiragaTetsuo MoriyaNorio TanakaIchiro Ueno
    • G02F3/00G06E3/00G02B3/00
    • G06E3/001
    • An optical computer includes a plurality of functional elements (thin-film elements) each adapted for causing an external signal to act on a two-dimensional-information incident light so as to perform information processing, and light sources for transferring the two-dimensional-information incident light between the functional elements. Each of the functional elements includes nanoparticles comprising molecules of an organic compound and associates/aggregates of these molecules. This structure makes it possible to input light beams from a plurality of functional elements to a single functional element and to output light beams from this single functional element to the plurality of functional elements.
    • 光学计算机包括多个功能元件(薄膜元件),每个功能元件(薄膜元件)适于使外部信号作用于二维信息入射光以进行信息处理;以及用于传送二维信息的光源, 功能元素之间的信息入射光。 每个功能元件包括纳米颗粒,其包含有机化合物的分子和这些分子的缔合物/聚集体。 这种结构使得可以将来自多个功能元件的光束输入到单个功能元件并将光束从该单个功能元件输出到多个功能元件。
    • 8. 发明授权
    • Method and apparatus for controlling photointensity and/or luminous flux density of a signal light
    • 用于控制信号光的光密度和/或光通量密度的方法和装置
    • US06265708B1
    • 2001-07-24
    • US09117877
    • 1998-08-06
    • Norio TanakaShigeru TakaradaHiromitsu YanagimotoMasakatsu KaiIchiro Ueno
    • Norio TanakaShigeru TakaradaHiromitsu YanagimotoMasakatsu KaiIchiro Ueno
    • G02F117
    • G02F1/0126G02F2002/006
    • The present invention provides a method of controlling light and an apparatus of controlling light capable of extracting sufficiently large and speedy optical responses from the photoresponsive photoelement with a high reproducibility, wherein the control light is emitted from the light source 1, and the signal light from the light source 2. The control light and signal light are converged by the converging lens 7, and illuminated to the film photoelement 8 filled in with the photoresponsive composition. Via the collimate lens 9 and the band-pass filter 20, only the signal light is detected with the photodetector 22. By turning the control light on and off, the transmittance and/or refractive index of the signal light are reversibly increased or decreased, realizing the modulation of photointencity. By setting the numerical aperture of the collimate lens at the value essentially smaller than the numerical aperture of the collimate lens, sufficiently large and speedy optical responses can be extracted from the photoelement comprised of photoresponsive composition containing dye.
    • 本发明提供了一种控制光的方法和一种控制光的装置,其能够以高再现性从光响应光敏元件中提取足够大且快速的光响应,其中控制光从光源1发射,信号光从 光源2.控制光和信号光由会聚透镜7会聚,并照射到填充有光响应性组合物的胶片光电元件8。 通过准直透镜9和带通滤光器20,仅利用光电检测器22检测信号光。通过打开和关闭控制光,可逆地增加或减少信号光的透射率和/或折射率, 实现光照调节。 通过将准直透镜的数值孔径设定为基本上小于准直透镜的数值孔径的值,可以从包含染料的光响应组合物的光电元件提取足够大且快速的光学响应。
    • 9. 发明授权
    • Optical deflection method and optical deflection apparatus
    • 光学偏转方法和光学偏转装置
    • US08208770B2
    • 2012-06-26
    • US12801300
    • 2010-06-02
    • Ichiro UenoNobutaka TanigakiNoritaka YamamotoToshiko MizokuroTakashi HiragaNorio TanakaHiroshi NagaedaNoriyasu Shiga
    • Ichiro UenoNobutaka TanigakiNoritaka YamamotoToshiko MizokuroTakashi HiragaNorio TanakaHiroshi NagaedaNoriyasu Shiga
    • G02B6/26G02F1/03
    • G02F1/0147G02F1/0126G02F1/293G02F1/31
    • An optical deflection apparatus includes a signal light source configured to emit signal light having one or more wavelengths, a control light source configured to emit control light having a wavelength different from the wavelength of the signal light, a thermal lens forming optical element including a light absorption layer configured to transmit the signal light and selectively absorb the control light, and a beam-condensing unit configured to cause beam-condensation of the control light and the signal light at different convergence points in the light absorption layer. The thermal lens forming optical element causes convergence and divergence of the control light and the signal light on an incidence plane of the light absorption layer or its vicinity in a light traveling direction, wherein a thermal lens is reversibly formed in the light absorption layer due to a temperature increase occurring in a region where the control light is absorbed and its peripheral region, and the thermal lens changes a refractive index to change a traveling direction of the signal light.
    • 一种光学偏转装置,包括配置为发射具有一个或多个波长的信号光的信号光源,被配置为发射具有与信号光的波长不同的波长的控制光的控制光源,包括光的热透镜形成光学元件 吸收层,被配置为透射信号光并选择性地吸收控制光;以及光束聚光单元,被配置为使得光吸收层中的控制光和信号光在不同会聚点处的光束冷凝。 热透镜形成光学元件引起控制光和信号光在光传播方向上的光吸收层或其附近的入射平面的会聚和发散,其中热透镜在光吸收层中可逆地形成,由于 发生在控制光被吸收的区域中的温度升高及其周边区域,并且热透镜改变折射率以改变信号光的行进方向。