空间光-光纤耦合技术进展与实验研究

Research progress of space optical-fiber coupling technology in optical wireless communication

总结了国内外空间光-光纤耦合技术在无线光通信中的研究进展,以提高空间光-光纤耦合效率为主线,介绍了西安理工大学在该领域的工作,包括空间光光纤耦合自动对准技术、自由空间光模式转换技术、空间光光纤耦合自适应光学波前校正技术、马卡天线的收发一体化技术。介绍了大气湍流中透镜阵列和单透镜耦合至单模光纤的耦合性能、大气湍流中马卡天线作为接收天线时的空间光耦合性能方面的研究进展。最后展望了无线光通信中的空间光-光纤耦合技术的发展前景。

This paper summarizes the research progress of spatial light to optical fiber coupling technology in aims to improve the coupling efficiency in wireless optical communication,and introduces the research work of Xi'an University of Technology in this field,including the automatic alignment in spatial light to optical fiber coupling,optical mode conversion in free-space,adaptive optics wavefront correction in spatial light to optic fiber coupling,and design of the Maksutov-Cassegrain integrated transceiver antenna.In addition,the research progress of coupling performance by using lens array to single-mode fiber and Maksutov-Cassegrain receiving antenna in atmospheric turbulence are introduced.Finally,the development of spatial light to optical fiber coupling technology in wireless optical communication is prospected.