介绍了光学相控阵技术的发展背景和工作原理，研究了国内外基于不同电光材料(钽酸锂、 PLZT、AlGaAs和液晶)光学相控阵技术的进展，探讨了光束扫描(指向)控制存在的扫描机械问题及光学相控阵具有的功能优势，针对光学相控阵器件的现状，提出了光学相控阵材料技术的研究方向及光学相控阵技术的应用前景。

The development background and working principle of optical phased array technology are intro? duced. The progress of optical phased array technology with different electro-optic materials (lithium tantalate, PLZT, AlGaAs and liquid crystal) at home and abroad is summarized. The problem of the mechanical scanning in the beam scanning control and the functional advantage of the optical phased array are discussed. Aiming at the status of optical phased array devices, the research direction for the technology of the optical phased array ma? terials and the application prospect of the optical phased array technology are proposed.