论文标题
几何相光谱法
Geometric-phase polarimetry
论文作者
论文摘要
本文介绍了基于测量光的几何阶段的极化策略,这是由于极化状态的演变而导致的,同时遍历光学系统。所讨论的系统由均匀的琼斯矩阵描述,该矩阵包含相互垂直的本本极化。我们的领先理论将系统的琼斯矩阵参数(特征值和特征向量)与输入极化状态和几何阶段联系起来。我们演示了两种干涉技术。第一个基于两个相互正交极化状态的干扰模式之间的相对侧向流动率测量几何阶段。第二种技术使用干扰条纹的可见性来确定系统的征极化。我们介绍了两种技术的原则实验证明。
This paper describes polarimetric strategies based on measuring the light's geometric phase, which results from the evolution of the polarisation state while traversing an optical system. The system in question is described by a homogeneous Jones matrix, which by definition, contains mutually perpendicular eigenpolarisations. Our leading theory links the system's Jones matrix parameters (eigenvalues and eigenvectors) with the input polarisation state and the geometric phase. We demonstrate two interferometric techniques. The first one measures the geometric phase based on the relative lateral fringe displacement between the interference pattern of two mutually-orthogonal polarisation states. The second technique uses the visibility of the interference fringes to determine the eigenpolarisations of the system. We present proof-of-principle experiments for both techniques.