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1. 发明申请

WO2007016537A2 COMMUNICATION TRANSCEIVER ARCHITECTURE 审中-公开
标题翻译：通信收发器架构
公开(公告)号：WO2007016537A2
公开(公告)日：2007-02-08
申请号：PCT/US2006/029870
申请日：2006-08-01
申请人： ITT MANUFACTURING ENTERPRISES, INC. , FISHER, Donald, Scott , GANGL, Michael
发明人： FISHER, Donald, Scott , GANGL, Michael
IPC分类号： H04B10/10
CPC分类号： H04B10/1125 , H04B10/118
摘要： A free-space communication transceiver includes a telescope for transmitting and receiving laser beams, a tunable laser transmitter for generating a transmit laser beam modulated with data, a tunable optical receiver for processing a receive laser beam received from the telescope to recover data, and a tunable beamsplitter that directs the transmit laser beam to the telescope and directs the receive laser beam from the telescope to the optical receiver. Between the telescope and beamsplitter, the transmit and receive laser beams travel along a common optical axis as collinear collimated free-space beams. The transmit and receive laser beams operate at different wavelengths that can be interchanged, thereby support full-duplex operation. The beamsplitter employs a tunable etalon filter whose wavelength-dependent transmission characteristics are adjusted according to the transmit and receive wavelengths. Optionally, RF signals can additionally be couple to the common optical axis and transmitted and received by the telescope.
摘要翻译：自由空间通信收发器包括用于发射和接收激光束的望远镜，用于生成用数据调制的发射激光束的可调谐激光发射器，用于处理从接收到的接收激光束的可调谐光学接收器望远镜恢复数据，以及一个可调分束器，可调分束器将发射激光束导向望远镜，并将接收激光束从望远镜引导至光接收器。在望远镜和分束器之间，发射和接收激光束作为共线准直自由空间光束沿共同的光轴传播。发射和接收激光束工作在不同波长，可以互换，从而支持全双工操作。分束器采用可调谐的标准具滤波器，其波长依赖的传输特性根据发射和接收波长进行调整。可选地，RF信号可以附加地耦合到公共光轴并由望远镜发送和接收。

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