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    • 2. 发明授权
    • System and method for using a holographic optical element in a wireless telecommunication system receiver
    • 在无线电信系统接收机中使用全息光学元件的系统和方法
    • US06608708B1
    • 2003-08-19
    • US09627815
    • 2000-07-28
    • Charles Gregory AmadonRichard D. RallisonJohn J. SchusterHarold A. BrownMark Pratt
    • Charles Gregory AmadonRichard D. RallisonJohn J. SchusterHarold A. BrownMark Pratt
    • G03H100
    • G02B5/32
    • A holographic optical element (HOE) device is mounted in a receiver unit, such as a wireless optical telecommunication system receiver. The HOE device includes a developed emulsion material having an interference pattern recorded thereon, sandwiched between a pair of elements, such as a pair of clear glass plates. In operation, the HOE device uses the recorded interference pattern to diffract incident light rays towards an optical processing unit of the system receiver. The optical processing unit includes a photodetector that detects the diffracted light rays. The system receiver can include various other components and/or can have various configurations. In one configuration, a plurality of mirrors is used to control the direction of the light rays coming from the HOE device, and a collimating optical assembly collimates these light rays. A beam splitting optical assembly can be used to split the light rays into a tracking channel and a communication channel.
    • 全息光学元件(HOE)装置安装在诸如无线光通信系统接收器的接收器单元中。 HOE装置包括其上记录有干涉图案的显影乳剂材料,夹在一对元件之间,例如一对透明玻璃板。 在操作中,HOE装置使用记录的干涉图案将入射的光线衍射到系统接收器的光学处理单元。 光学处理单元包括检测衍射光线的光电检测器。 系统接收机可以包括各种其他组件和/或可以具有各种配置。 在一种配置中,使用多个反射镜来控制来自HOE装置的光线的方向,并且准直光学组件准直这些光线。 分束光学组件可用于将光线分成跟踪通道和通信通道。