大气中激光通信技术

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。

Technology of laser communication in atmosphere

The history, development and classification of optic communication are introduced. The principle of laser communication in atmosphere, important devices, key technique and open questions are described. The causes of energy attenuation in laser communication through atmosphere are also analysed, and the method to reduce the attenuation is presented. The current situation of laser communication in atmosphere at home and abroad is studied. The development of laser communication in atmosphere in the future is discussed at last.