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建立了一套最新的优化概念,以便于液体透镜在一般光学系统中的优化设计。由于液体透镜拥有多个离散的变焦位置,设计时不得不在其中选择多个位置作为阻尼最小二乘法(DLS)的初始优化点。而这些位置通常是由设计者凭经验来选择的,不同的选择不仅会对设计过程带来不同的影响,而且会给设计结果带来本质的不同。基于此提出了一套改进禁忌搜索(ITS)算法,从而实现在DLS算法优化的过程中液体透镜变焦位置的自动选取,从而得到更佳的成像效果。
A new set of optimization concepts was developed to facilitate the optimal design of liquid lenses in general optical systems. Since the liquid lens has multiple discrete zoom positions, several locations have to be selected at the design time as the initial optimization point for damped least squares (DLS). These locations are usually chosen empirically by the designer, and different options will not only have a different impact on the design process, but will also bring about fundamental differences in the design results. Based on this, a set of improved tabu search (ITS) algorithm is proposed to realize the automatic selection of the zoom position of the liquid lens during the optimization of DLS algorithm, so as to obtain a better imaging result.