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    • 1. 发明授权
    • Wavelength selective switch
    • 波长选择开关
    • US08634129B2
    • 2014-01-21
    • US13497105
    • 2012-01-30
    • Satoshi WatanabeKoji MatsumotoToshiro OkamuraTakeshi Yamazaki
    • Satoshi WatanabeKoji MatsumotoToshiro OkamuraTakeshi Yamazaki
    • G02F1/29G02B21/06G02B6/26
    • G02B6/356G02B6/3512G02B6/3556
    • Provided is a wavelength selective switch which includes: at least one input port; a dispersive portion for dispersing wavelength-multiplexed light input from the input port into wavelength-demultiplexed lights; a condenser element for condensing the wavelength-demultiplexed lights dispersed by the dispersive portion; a deflection portion having deflection elements for deflecting, for each wavelength-demultiplexed light condensed by the condenser element; at least one output port for outputting the wavelength-demultiplexed lights deflected by the deflection portion. A light-condensing position shift compensating element is disposed in an optical path between the input port and the dispersive portion or in the dispersive portion, for compensating light-condensing position shift of the wavelength-demultiplexed lights relative to the deflection element, light-condensing position shift being generated based on the arrangement of the input ports.
    • 提供一种波长选择开关,其包括:至少一个输入端口; 用于将从输入端口输入的波分复用光分散成波长解复用光的色散部分; 聚光元件,用于冷凝由分散部分散射的波分解光; 偏转部分具有偏转元件,用于对于由聚光元件冷凝的每个波长解复用的光进行偏转; 至少一个输出端口,用于输出由偏转部分偏转的波长解复用光。 聚光位置偏移补偿元件设置在输入端口和色散部分之间或色散部分中的光路中,用于补偿波长解复用光相对于偏转元件的聚光位置偏移,聚光 基于输入端口的布置产生位置偏移。
    • 2. 发明申请
    • WAVELENGTH SELECTIVE SWITCH
    • 波长选择开关
    • US20130038917A1
    • 2013-02-14
    • US13497105
    • 2012-01-30
    • Satoshi WatanabeKoji MatsumotoToshiro OkamuraTakeshi Yamazaki
    • Satoshi WatanabeKoji MatsumotoToshiro OkamuraTakeshi Yamazaki
    • G02B26/08G02F2/00
    • G02B6/356G02B6/3512G02B6/3556
    • Provided is a wavelength selective switch which includes: at least one input port; a dispersive portion for dispersing wavelength-multiplexed light input from the input port into wavelength-demultiplexed lights; a condenser element for condensing the wavelength-demultiplexed lights dispersed by the dispersive portion; a deflection portion having deflection elements for deflecting, for each wavelength-demultiplexed light condensed by the condenser element; at least one output port for outputting the wavelength-demultiplexed lights deflected by the deflection portion. A light-condensing position shift compensating element is disposed in an optical path between the input port and the dispersive portion or in the dispersive portion, for compensating light-condensing position shift of the wavelength-demultiplexed lights relative to the deflection element, light-condensing position shift being generated based on the arrangement of the input ports.
    • 提供一种波长选择开关,其包括:至少一个输入端口; 用于将从输入端口输入的波分复用光分散成波长解复用光的色散部分; 聚光元件,用于冷凝由分散部分散射的波分解光; 偏转部分具有偏转元件,用于对于由聚光元件冷凝的每个波长解复用的光进行偏转; 至少一个输出端口,用于输出由偏转部分偏转的波长解复用光。 聚光位置偏移补偿元件设置在输入端口和色散部分之间或色散部分中的光路中,用于补偿波长解复用光相对于偏转元件的聚光位置偏移,聚光 基于输入端口的布置产生位置偏移。
    • 3. 发明授权
    • Wavelength selective switch
    • 波长选择开关
    • US08761554B2
    • 2014-06-24
    • US13419646
    • 2012-03-14
    • Koji MatsumotoSatoshi WatanabeToshiro OkamuraTakeshi Yamazaki
    • Koji MatsumotoSatoshi WatanabeToshiro OkamuraTakeshi Yamazaki
    • G02B6/26G02B6/42
    • G02B6/3518G02B6/3534
    • Provided is a wavelength selective switch, which includes: an input/output unit; a dispersive portion; a condensing optical system; and the deflection portion. The input/output unit has input/output ports. The dispersive portion disperses signal light incident from the input/output ports. The condensing optical system condenses a plurality of signal light beams dispersed by the dispersive portion. The deflection portion has a plurality of deflection elements. The deflection elements deflect, along a second direction, the signal light beams condensed by the condensing optical system. In the condensing optical system, the aberration amount of the meridional component in a sagittal coma aberration remains substantially constant irrespective of an angle formed between the optical axis of the condensing optical system and a signal light beam incident on the condensing optical system from the input/output portion, at an incident position of the incident signal light beam at a certain height in the second direction.
    • 提供一种波长选择开关,其包括:输入/输出单元; 分散部分; 聚光光学系统; 和偏转部。 输入/输出单元具有输入/输出端口。 色散部分分散从输入/输出端口入射的信号光。 聚光光学系统凝聚由分散部分散射的多个信号光束。 偏转部分具有多个偏转元件。 偏转元件沿着第二方向偏转由聚光光学系统会聚的信号光束。 在聚光光学系统中,与聚光光学系统的光轴和入射到聚光光学系统的信号光束之间的角度不同,矢状彗差中的子午分量的像差量保持基本恒定, 在入射信号光束的入射位置处,在第二方向上处于一定高度。
    • 5. 发明授权
    • Optical imaging apparatus
    • 光学成像装置
    • US06809866B2
    • 2004-10-26
    • US10207676
    • 2002-07-29
    • Tianyu XieMamoru KanekoToshiro OkamuraYasuhiro Kamihara
    • Tianyu XieMamoru KanekoToshiro OkamuraYasuhiro Kamihara
    • G02B2710
    • G02B21/0056A61B3/102G01N21/4795G02B21/0028
    • An optical imaging apparatus includes an optical probe and an apparatus main body which controls and drives the optical probe via a connecting cable. The optical probe includes a low-coherence light source, a half mirror, an XY reflecting mirror scan, an objective optical system, a reflecting mirror, a modulating mirror, and a photo detector. In the optical probe, the modulating mirror and the objective optical system, as optical path length interlockingly adjusting elements, are integrally arranged to an optical path length interlockingly adjusting base, together with a reflecting-side lens. The optical probe has an advancing and regressing driving unit which advances and regresses the optical path length interlockingly adjusting base in the optical axis direction (Z direction).
    • 光学成像装置包括光学探针和通过连接电缆来控制和驱动光学探针的装置主体。 光学探针包括低相干光源,半反射镜,XY反射镜扫描,物镜光学系统,反射镜,调制反射镜和光电检测器。 在光学探头中,作为光路长度互锁调节元件的调制反射镜和物镜光学系统与反射侧透镜一体地布置成与光路长度互锁调节底座。 光学探针具有前进和回归驱动单元,其沿光轴方向(Z方向)前进和回归光路长度互锁调节基座。
    • 8. 发明授权
    • Head-mounted image display apparatus in which a system is capable of
changing aspect ratio of observed image
    • 头戴式图像显示装置,其中系统能够改变观察图像的纵横比
    • US5473365A
    • 1995-12-05
    • US171620
    • 1993-12-22
    • Toshiro Okamura
    • Toshiro Okamura
    • G02B27/00G02B27/01H04N13/00H04N13/04
    • H04N13/044G02B27/0172G02B2027/0132G02B2027/0154G02B2027/0178H04N13/0436H04N13/0456
    • A head-mounted image display apparatus which is capable of selectively displaying images of normal and wide sizes efficiently by utilizing approximately all the pixels of a display device without the need of removing an optical system and which provides a bright image at high resolution and is easy to handle. The head-mounted image display apparatus has an image display device (2) for displaying an image, and a projection optical system for projecting the image displayed on the image display device (2) onto an observer's eye. The projection optical system includes an anamorphic optical system which is composed of an anamorphic lens (3) and a cylindrical lens (4), for example. The anamorphic optical system is rotatable about the optical axis. Accordingly, it is possible to selectively observe two images of the normal and wide sizes by rotating the anamorphic optical system about the optical axis through 90.degree. in either direction.
    • 一种头戴式图像显示装置,其能够通过利用显示装置的大致全部像素来有选择地显示正常和宽尺寸的图像,而不需要移除光学系统并且以高分辨率提供明亮的图像并且容易 处理。 头戴式图像显示装置具有用于显示图像的图像显示装置(2)和用于将显示在图像显示装置(2)上的图像投影到观察者眼睛上的投影光学系统。 投影光学系统包括例如由变形透镜(3)和柱面透镜(4)构成的变形光学系统。 变形光学系统可围绕光轴旋转。 因此,可以通过使变形光学系统围绕光轴在任一方向上旋转90°来选择性地观察正常和宽尺寸的两个图像。