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文中介绍了光通信的历史、发展和分类 ,阐述了大气中激光通信的工作原理、重要器件和关键技术 ,以及大气中激光通信存在的问题。分析了大气通信中能量衰减的原因 ,提出了减小衰减的方法。研究了目前国内外大气激光通信的应用现状 ,构思了实现大气激光准全天候通信和移动通信的蓝图 ,展望了未来大气激光通信的前景。
This paper introduces the history, development and classification of optical communication, describes the working principle, important devices and key technologies of laser communication in the atmosphere, as well as the existing problems of laser communication in the atmosphere. The reason of energy attenuation in atmospheric communication is analyzed and a method of reducing attenuation is proposed. The current application of atmospheric laser communication in China and abroad is studied. The blueprint of atmospheric laser for quasi-all-weather communication and mobile communication is conceived, and the prospect of atmospheric laser communication is prospected in the future.