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    • 26. 发明授权
    • Technique for simultaneously transmitting wide and narrow optical beacon signals
    • 同时发送宽窄窄光信标信号的技术
    • US08295706B2
    • 2012-10-23
    • US12776941
    • 2010-05-10
    • James A. CunninghamDavid R. WickholmDean S. GrinchDaniel L. Baber
    • James A. CunninghamDavid R. WickholmDean S. GrinchDaniel L. Baber
    • H04B10/10
    • H04B10/112
    • A technique for simultaneously transmitting wide and narrow optical beacon signals includes generating a laser beam and splitting the laser beam into a first signal on a first path and a second signal on a second path via a wavelength-dependent beamsplitter. A wide beacon signal having a first beam divergence is generated from the first signal, and a narrow beacon signal having a second, lesser beam divergence is generated from the second signal. The wavelength of the laser beam determines an allocation of the laser energy between the wide and narrow beacon signals based on transmittance/reflectance characteristic of the beamsplitter at that wavelength. The wide and narrow beacon signals are simultaneously transmitted in a overlaid manner into free space to support acquisition and tracking in a free-space optical communication system. The beamsplitter can simultaneously transmit or reflect substantially all of a data signal at a different wavelength.
    • 用于同时发送宽和窄的光信标信号的技术包括产生激光束并且通过波长依赖的分光器将激光束分裂成第一路径上的第一信号和在第二路径上的第二信号。 从第一信号产生具有第一光束发散的宽信标信号,并且从第二信号产生具有第二较小光束发散的窄信标信号。 激光束的波长基于在该波长处的分束器的透射率/反射率特性确定在宽和窄信标信号之间的激光能量的分配。 宽而窄的信标信号以重叠的方式同时发送到自由空间中,以支持在自由空间光通信系统中的采集和跟踪。 分束器可以同时发射或反射基本上所有不同波长的数据信号。
    • 28. 发明授权
    • Optical amplifiers in a free space laser communication system
    • 光放大器在自由空间激光通信系统中的应用
    • US07761009B2
    • 2010-07-20
    • US11513493
    • 2006-08-31
    • Scott Harris Bloom
    • Scott Harris Bloom
    • H04B10/00
    • H04B10/112
    • Disclosed is a novel free space optical communication system comprising an optical amplifier configured to amplify an optical signal received from a fiber optic cable, a transmitter coupled to the optical amplifier and configured to transmit the amplified optical signal across a free space medium. The system also includes a receiver configured to receive the attenuated optical signal and a second optical amplifier coupled to the receiver configured to amplify the attenuated optical signal before transmitting the optical signal on to a fiber optic cable. The optical amplifier is preferably a Raman optical amplifier, but may also be any other optical amplifier, or combination of optical amplifiers, known in the art.
    • 公开了一种新颖的自由空间光通信系统,其包括被配置为放大从光纤电缆接收的光信号的光放大器,耦合到光放大器并被配置为在自由空间介质上传输放大的光信号的发射器。 该系统还包括被配置为接收衰减的光信号的接收器和耦合到接收器的第二光放大器,该接收器配置成在将光信号传送到光纤电缆之前放大衰减的光信号。 光放大器优选地是拉曼光放大器,但也可以是本领域已知的任何其它光放大器或光放大器的组合。
    • 30. 发明授权
    • Optical amplifiers in a free space laser communication system
    • 光放大器在自由空间激光通信系统中的应用
    • US07136585B2
    • 2006-11-14
    • US10023320
    • 2001-12-14
    • Scott Harris Bloom
    • Scott Harris Bloom
    • H04B10/08
    • H04B10/112
    • Disclosed is a novel free space optical communication system comprising an optical amplifier configured to amplify an optical signal received from a fiber optic cable, a transmitter coupled to the optical amplifier and configured to transmit the amplified optical signal across a free space medium. The system also includes a receiver configured to receive the attenuated optical signal and a second optical amplifier coupled to the receiver configured to amplify the attenuated optical signal before transmitting the optical signal on to a fiber optic cable. The optical amplifier is preferably a Raman optical amplifier, but may also be any other optical amplifier, or combination of optical amplifiers, known in the art.
    • 公开了一种新颖的自由空间光通信系统,其包括被配置为放大从光纤电缆接收的光信号的光放大器,耦合到光放大器并被配置为在自由空间介质上传输放大的光信号的发射器。 该系统还包括被配置为接收衰减的光信号的接收器和耦合到接收器的第二光放大器,该接收器配置成在将光信号传送到光纤电缆之前放大衰减的光信号。 光放大器优选地是拉曼光放大器,但也可以是本领域已知的任何其它光放大器或光放大器的组合。