衍射光学元件在卫星激光通信终端中的潜在应用(英文)  

Potential application of diffractive optical elements in satellite laser communication terminals

作　　者：俞建杰[1,2] 韩琦琦[1] 马晶[1] 谭立英[1] 

机构地区：[1]哈尔滨工业大学航天学院,黑龙江哈尔滨150001 [2]哈尔滨工业大学仪器科学与技术博士后流动站,黑龙江哈尔滨150001

出　　处：《红外与激光工程》2013年第1期130-137,共8页Infrared and Laser Engineering

基　　金：国家自然科学基金(10904026);黑龙江省博士后基金(LBH-Z10140)

摘　　要：卫星激光通信技术是目前通信技术领域的研究热点,而光学子系统的优化设计是其重要研究方向。主要介绍了利用衍射光学元件实现卫星激光通信终端的小型化、集成化和高效化。文中首先简要介绍卫星激光通信系统的基本原理,随后介绍了衍射光学元件在卫星激光通信终端中的各种可能应用,包括光束整形和分光,光学滤波,防反射镀膜,像差和热差补偿等。给出了一个包含衍射光学元件的激光通信终端光学系统优化设计实例,相应的数值仿真结果表明:衍射光学元件与传统光学元件相比,具有明显优势。Satellite laser communication has become a hot topic of communication technology research, and the optimal design of the optical system is an important research direction of the satellite laser communication terminal. Diffractive optical elements were introduced in this paper, to realize the miniaturization, integration, high efficiency of satellite laser communication terminals. Followed by the brief introduction of the principle of laser communication system, the potential applications of diffractive elements within a laser terminal were exhibited, such as beam shaping and splitting, optical filtering, antireflective coating, aberration and thermal compensation, etc. A design example of laser terminal including diffractive elements was presented, and the consequential simulation results demonstrate the advantage compared with conventional refractive elements.

关 键 词：卫星激光通信 衍射光学元件 潜在应用 光束整形 

分 类 号：TN929.1[电子电信—通信与信息系统]