拓扑缺陷、几何相位和光的angular momentum
Topological defects, geometric phases, and the angular momentum of light
摘要：
利用光学中的几何相位分析了矢量涡旋光束的一些有趣特性。认为自旋重定向相位引起的圆双折射是非均匀偏振模式中出现拓扑相位奇异性的根源。一个统一的图片最近的结果是基于这个命题。光束中的角动量位移（OAM）与与我们的猜想一致的几何相位相关的角动量完整性具有精确的等价性。
英文摘要：
Recent reports on the intriguing features of vector vortex bearing beams are analyzed using geometric phases in optics. It is argued that the spin redirection phase induced circular birefringence is the origin of topological phase singularities arising in the inhomogeneous polarization patterns. A unified picture of recent results is presented based on this proposition. Angular momentum shift within the light beam (OAM) has exact equivalence with the angular momentum holonomy associated with the geometric phase consistent with our conjecture.
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