猫眼逆向调制自由空间激光通信技术的研究进展

摘要

The free space optical communication technology based on a cat-eye modulating retro-reflector has great advantages as compared to the classical free space optical communication technology .In this paper, the principle of free space optical communication technology based on modulating retro-reflector is described and its main construction is introduced.Then, the research status of the technology in modulator characteristics , cat-eye optical systems and technology used in foreign countries is reviewed , and the technology development in China is introduced briefly.The key points of the technology are analyzed .Finally, the application trends and developing prospects are viewed .%猫眼逆向调制自由空间激光通信技术相比传统激光通信技术更具优势。本文介绍了逆向调制自由空间激光通信技术的原理和猫眼逆向调制终端的原理结构。综述了国内外猫眼逆向调制自由空间激光通信技术在调制器特性、猫眼光学系统和技术应用3个方面的研究现状。分析了猫眼逆向调制自由空间激光通信的关键技术。最后，展望了该项技术的应用前景。