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靶场光路导引系统(BGS)具有两个功能,一是将主激光的列阵排布转变为满足打靶激光要求的球形辐照结构,二是保证所有光路等光程传输到靶室中心。主要研究了主激光和打靶激光的传输模型以及它们之间的编组方式。结合靶室入射法兰口分布的对称特性,提出传输子单元概念来简化系统的排布。首先,综合考虑反射镜的种类和数量以及靶场的空间大小,确定传输子单元的具体模型以及靶场的对称划分方式。再根据激光偏振态和光路无交叉限制,得到主激光和打靶激光两种可能的传输模型。通过分层定基线算法,结合物像传递关系,确定具体的编组方式,从而最终得到整个BGS的排布。
The BGS has two functions: one is to change the arrangement of the main laser to a spherical irradiation structure that meets the requirements of the target laser, and the other is to ensure that all light paths and other optical paths are transmitted to the center of the target chamber. Mainly studied the main laser and target laser transmission model and the grouping between them. Combined with the symmetry of the distribution of the incident flange in the target chamber, the concept of transmission sub-unit is proposed to simplify the arrangement of the system. Firstly, considering the type and number of mirrors and the size of the shooting range, the specific models of transmission subunits and the symmetrical division of shooting range are determined. According to the polarization state of the laser and the optical path without cross restriction, two possible transmission models of the main laser and the laser for laser shooting are obtained. By stratified base-line algorithm, combined with the relationship between object-image transmission to determine the specific grouping, and ultimately get the entire arrangement of BGS.