基于光纤色散的光学波束形成网络技术研究

Research on Optical Beamforming Network Technology Based on Fiber Dispersion

宽带光控阵列是将微波光子学技术同阵列技术相结合的产物,它不仅保留了阵列系统的技术优势,而且具有大带宽、易于同时形成多个波束、抗电磁干扰等特点,宽带光学波束形成网络正是宽带光控阵列的核心技术。介绍了光学波束形成的基本原理及其宽带特性,介绍了一种基于光纤色散的光学波束形成技术,并搭建了光学波束形成网络试验系统,对试验系统进行了测试,最后给出结论。

Optically controlled phased broadband array is a combination of microwave photonics technology and array technology,which not only retains the technical advantages of the array system,but also has the characteristics of large bandwidth,easily forming multiple beams at the same time and anti-electromagnetic interference.Broadband optical beamforming network is the core technology of optically controlled phased broadband array.The basic principles and broadband characteristics of optical beamforming network are introduced.An optical beamforming technology based on optical fiber dispersion is presented.An optical beamforming network experimental system is set up.The experimental system is tested and conclusions are drawn.