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    • 15. 发明申请
    • DYNAMIC OPTICAL PHASE SHIFTER COMPENSATOR
    • 动态光学相位补偿器
    • WO2004099860A3
    • 2005-06-30
    • PCT/IL2004000388
    • 2004-05-09
    • XTELLUS INCSUH SEONGWOOCOREM YOSSI
    • SUH SEONGWOOCOREM YOSSI
    • G02F1/01G02F1/31G02F1/03
    • G02F1/13318G02F1/0121G02F1/31G02F2203/055G02F2203/12G02F2203/21G02F2203/50
    • A birefringent, electrically-controlled, wavelength selective, pixelated optical phase shifting device, in which the correct drive voltage for a desired phase shift through any pixel (38) can be determined independently of changes in the drive voltage arising from changes in the environmental conditions, generally temperature. This is achieved by mounting a monitor phase shifting element (27) controlled by its own drive voltage, in close proximity to the pixelated phase shifter, such that the monitor element (36) and the phase shifter experience the same environmental condition. A probe optical beam (30) of predefined wavelength is directed through the monitor element, and the transmitted beam measured as a function of the monitor drive voltage. This functional relationship is used to define the environmental condition in which the monitor element and the phase shifter, are situated, and the correct drive voltage for application to any phase shifter pixel can be determined.
    • 双折射电控波长选择性像素化光学相移装置,其中可以独立于由环境条件的变化引起的驱动电压的变化来确定通过任何像素(38)的期望相移的正确驱动电压 一般温度。 这是通过安装由其自身的驱动电压控制的监视器相移元件(27),靠近像素化移相器来实现的,使得监视元件(36)和移相器经历相同的环境条件。 预定波长的探测光束(30)被引导通过监视器元件,并且根据监视器驱动电压测量发射光束。 该功能关系用于定义监视元件和移相器所在的环境条件,并且可以确定适用于任何移相器像素的正确的驱动电压。
    • 18. 发明申请
    • OPTICAL SHUTTER ASSEMBLY
    • 光学快门总成
    • WO2002091068A1
    • 2002-11-14
    • PCT/US2002/014711
    • 2002-05-08
    • OPTODOT CORPORATION
    • CARLSON, Steven, A.BERGER, Arthur, W.
    • G02F1/03
    • G02B26/02G02B26/04G02F1/0126G02F1/17G02F1/29G02F1/31
    • The present invention pertains to an optical shutter (103), comprising an photon-absorbing layer (105), and a surface layer in a transparent state on at least one side of the photon-absorbing layer (105), wherein the optical shutter (103), is characterized by the absorption of photons to change the photon-absorbing layer (105), to an opaque state and to change the surface layer (15), to a reflective state. The optical shutter (103), is reversibly imageable between these transparent and reflective states. The optical shutter (103), may comprise a metallized layer on at least one side of the photon-absorbing layer. Preferably, the optical shutter comprises an organic free radical compound, such as a salt of an aminium radical cation, in the photon-absorbing layer. Also provided are optical switch devices and optical buffers (120) and (130), comprising such optical shutters and methods of switching an optical signal utilizing such optical shutters and switch devices.
    • 本发明涉及一种包括光子吸收层(105)的光学快门(103)和在光子吸收层(105)的至少一侧处为透明状态的表面层,其中光学快门 103)的特征在于光子的吸收将光子吸收层(105)改变为不透明状态并将表面层(15)改变为反射状态。 光学快门(103)在这些透明和反射状态之间是可逆成像的。 光学快门(103)可以包括在光子吸收层的至少一侧上的金属化层。 优选地,光学快门在光子吸收层中包含有机自由基化合物,例如铵离子阳离子的盐。 还提供了光开关器件和光学缓冲器(120)和(130),其包括这种光学快门以及利用这种光学快门和开关器件切换光信号的方法。