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TERRESTRIAL OPTICAL COMMUNICATION NETWORK OF INTEGRATED FIBER AND FREE-SPACE LINKS WHICH REQUIRES NO ELECTRO-OPTICAL CONVERSION BETWEEN LINKS
TERRESTRIAL OPTICAL COMMUNICATION NETWORK OF INTEGRATED FIBER AND FREE-SPACE LINKS WHICH REQUIRES NO ELECTRO-OPTICAL CONVERSION BETWEEN LINKS
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机译：不需要链路间的光电转换的集成光纤和自由空间链路的地面光通信网络
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摘要
Optical signals are received from a free-space link by directing received light onto a plurality of microlenses and then directing light received through each of the microlenses into a respective single mode optical fiber (SMF). Light beams from the SMFs are combined into a single light beam in one SMF. The single light beam is amplified with a multi-wavelength fiber amplifier and attenuated with a variable optical attenuator. The power gain of the multi-wavelength fiber amplifier and the attenuation of the variable optical attenuator are controlled. The single light beam is directed into a fiber optic communication system that is optically coupled to the variable optical attenuator.
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