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矢量光束独特的空间偏振结构使之应用于空间偏振编码成为可能。提出了一种用一阶矢量光束的偏振分布进行极角空间编码的方法。通过矢量光束生成、光束偏振分布再调制实现了空间编码光束的生成,并采用斯托克斯参数法对空间编码光束进行检测。实验结果证实了一阶矢量光束应用于极角空间偏振编码的可行性,为基于空间偏振编码的激光驾束制导提供了新方法。
The unique spatial polarization of a vector beam makes it possible to apply spatial polarization coding. A method of polar-angle space encoding using the polarization distribution of first-order vector beams is proposed. The generation of spatially encoded beam is realized by vector beam generation and beam polarization distribution remodulation. The Stokes parameter method is used to detect the spatially encoded beam. The experimental results confirm the feasibility of the first-order vectorial beam applied to the polar angle-space polarization coding and provide a new method for laser beam steering guidance based on space-polarization coding.