Mathematical modelling and optimization of spatial optical phased array systems

This paper proposed a mathematical model for design and optimization of spatial optical phased array (SOPA) systems. Based on the theoretical models of one-dimensional (1D) and two-dimensional (2D) optical phased array (OPA), a theoretical model of Pseudo-three-dimensional (3D) OPA or SOPA is derived, which is employed to increase the arrangement density of radiation sources. The feasibility of the SOPA system is discussed based on the simulation results. Besides, the uniform distribution of the SOPA in the far field is realized to improve the precision of the OPA when scanning target objectives. The research work realizes an OPA scanner with a simple principle and wide angle, which will contribute to the development of OPA systems.