使用数字偏振器件的偏振不敏感矢量模式的产生
Polarisation-insensitive generation of vector modes using a digital micromirror device
摘要：
近年来，人们对开发用于产生复矢量光束的新技术越来越感兴趣。其中，数字全息术脱颖而出，作为一个最灵活和通用的几乎无限的自由，以产生任意偏振分布和空间横向轮廓的标量和矢量光束。最近，我们提出了一种新的方法来量化矢量模式的不可分离性，其中我们报告了第一次测量的紧凑和强大的设备，以产生这样的矢量模式，充分利用偏振独立的数字微镜器件（DMD）。在这篇手稿中，我们充分利用这种设备，并提供定性和定量分析所产生的模式。首先通过重建它们的横向偏振分布，使用斯托克斯偏振测量，其次通过测量它们的不可分离程度，通过并发确定。
英文摘要：
In recent time there has been an increasing amount of interest in developing novel techniques for the generation of complex vector light beams. Amongst these, digital holography stands out as one of the most flexible and versatile with almost unlimited freedom to generate scalar and vector light beams with arbitrary polarisation distributions and spatial transverse profile. Recently, we put forward a novel method to quantify the non-separability of vector modes in which we reported first measurements of a compact and robust device to generate such vector modes that fully exploits the polarisation-independence of Digital Micromirror Devices (DMDs). In this manuscript we fully characterise this device and provide qualitative and quantitative analysis of the generated modes. First by reconstructing their transverse polarisation distribution, using stokes polarimetry, followed by a measure of their degree of non-separability, determined through the concurrence.
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