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    • 2. 发明申请
    • OPTICAL PATH SWITCHING DEVICE AND METHOD
    • 光路切换装置及方法
    • WO2004027508A1
    • 2004-04-01
    • PCT/JP2003/011609
    • 2003-09-11
    • NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYDAINICHISEIKA COLOR & CHEMICALS MFG. CO., LTD.UENO, IchiroHIRAGA, TakashiMIZOKURO, ToshikoYAMAMOTO, NoritakaMOCHIZUKI, HiroyukiTANAKA, Norio
    • UENO, IchiroHIRAGA, TakashiMIZOKURO, ToshikoYAMAMOTO, NoritakaMOCHIZUKI, HiroyukiTANAKA, Norio
    • G02F1/31
    • G02F1/293G02F1/0126G02F1/0147G02F3/00G02F2001/311
    • An optical path switching method according to the present invention comprises converging and irradiating, on a light absorption layer film provided in a thermal lens forming element (1, 2, 3) including at least the light absorption layer film, each of a control light (121, 122, 123) having a wavelength selected from a wavelength band which is absorbed by the light absorption layer film and a signal light (110, 111, 112) having a wavelength selected from a wavelength band which is not absorbed by the light absorption layer film. Arrangement of the light absorption layer film is adjusted such that at least the control light focuses within the light absorption layer film. A thermal lens is reversibly formed according to a distribution of refraction index created by a temperature increase generated in and around an area of the light absorption layer film in which the control light is absorbed, such that, according to whether or not the control light is irradiated, the converged signal light is output either as is in its converged form or after its spread angle is changed and a mirror (61, 62, 63) including a hole and reflecting means, the signal light output from the thermal lens forming element is either passed through the hole or reflected by the reflecting means to change the optical path.
    • 根据本发明的光路切换方法包括在设置在至少包括光吸收层膜的热透镜形成元件(1,2,3)中的光吸收层膜上会聚和照射每个控制光( 具有选自由光吸收层膜吸收的波长带的波长的波长的信号光(110,111,112)和具有选自不受光吸收的波长带的波长的信号光(110,111,112) 层膜。 调整光吸收层膜的配置,使得至少控制光聚焦在光吸收层膜内。 根据由控制光被吸收的光吸收层膜的区域内及周围产生的温度升高引起的折射率的分布,可逆地形成热透镜,使得根据控制光是否为 会聚信号光以其会聚形式或其扩展角度改变后输出,并且包括孔和反射装置的反射镜(61,62,63),从热透镜形成元件输出的信号光是 或者通过孔或被反射装置反射以改变光路。
    • 8. 发明申请
    • OPTICAL CONTROL METHOD AND OPTICAL CONTROLLER
    • 光学控制方法和光控制器
    • WO1997030372A1
    • 1997-08-21
    • PCT/JP1996002687
    • 1996-09-18
    • DAINICHISEIKA COLOR & CHEMICALS MFG. CO., LTD.VICTOR COMPANY OF JAPAN, LIMITEDTANAKA, NorioTAKARADA, ShigeruYANAGIMOTO, HiromitsuKAI, MasakatsuUENO, Ichiro
    • DAINICHISEIKA COLOR & CHEMICALS MFG. CO., LTD.VICTOR COMPANY OF JAPAN, LIMITED
    • G02F01/01
    • G02F1/0126G02F2002/006
    • A method of, and an apparatus for, extracting with high reproducibility a photo response having sufficient magnitude and sufficient speed from a photo responsive optical element. Control light is emitted from a light source (1) and signal light is emitted from a light source (2). These control light and signal light are converged by a condenser lens (7) and are applied to an optical device (8) to which a photo responsive composition is packed. Only signal light (22) is detected by an optical detector (22) through a light reception lens (9) and a wavelength selection filter (20). A transmittance and/or refractive index reversibly increases or decreases in accordance with ON/OFF of signal light, and intensity modulation of signal light is accomplished. Because the numerical aperture of the light reception lens is set to be substantially smaller than that of the condenser lens, photo response having sufficient magnitude and sufficient speed can be extracted from the optical device comprising a photo responsive composition containing a pigment.
    • 一种用于以高再现性从光响应光学元件提取具有足够大小和足够速度的光响应的方法和装置。 控制光从光源(1)发射,信号光从光源(2)发射。 这些控制光和信号光由聚光透镜(7)会聚,并被施加到光敏装置(8)上,其中装有光敏组合物。 只有信号光(22)通过光接收透镜(9)和波长选择滤波器(20)由光学检测器(22)检测。 根据信号光的ON / OFF,透射率和/或折射率可逆地增加或减少,并且完成信号光的强度调制。 由于光接收透镜的数值孔径被设定为基本上小于聚光透镜的数值孔径,所以可以从包含含有颜料的光响应性组合物的光学装置中提取具有足够的幅度和足够速度的光响应。