非傍轴电磁光束的偏振奇点及其演化新特性研究

项目名称： 非傍轴电磁光束的偏振奇点及其演化新特性研究

项目编号： No.61275203

项目类型： 面上项目

立项/批准年度： 2013

项目学科： 无线电电子学、电信技术

项目作者： 高曾辉

作者单位： 宜宾学院

项目金额： 63万元

中文摘要： 对非傍轴电磁光束偏振奇点的深入研究有助于进一步认识偏振和偏振奇异特性的物理本质。由测偏术和偏振奇点相结合形成一类新的奇点Stokes测偏术，在精密测量中已获得应用。本项工作以对有纵向场分量非傍轴电磁光束的偏振奇点和多色电磁光束的Lissajous奇点等物理问题的研究为出发点，对电场和磁场的偏振奇点和非傍轴部分空间相干电磁光束光谱Stokes奇点的演化，以及非傍轴多色电磁光束Lissajous奇点的动态传输等问题开展工作，深入研究偏振奇点存在的典型形式、演化和控制。主要特色为基于严格的电磁场理论和用我们发展的一些研究方法揭示出非傍轴单色和多色电磁光束偏振奇点更为深刻的物理本质和偏振奇点动态演化的新特性，实现对偏振奇点的有效控制，深化对矢量光频电磁场偏振和偏振奇异性的认识，预测新的物理现象和实验结果，扩展矢量奇点光学的研究范畴，并为矢量奇点光学在精密测量和生物医学等方面的新应用提供理论依据。

中文关键词： 矢量奇点光学；偏振奇点；非傍轴电磁光束；光谱Stokes奇点；Lissajous奇点

英文摘要： A deep study of polarization singularities of non-paraxial electromagnetic beams(non-PEMBs) is beneficial to understanding the physical nature of polarization and polarization singular phenomena. A new singular Stokes-polarimetry combining polarimetry and polarization singularities has found applications in fine metrology. In this project, starting from the polarization singularities of non-PEMBs with a longitudinal field component and Lissajous singularities of polychromatic EMBs, we study the evolution of polarization singularities of electric and magnetic fields and spectral Stokes singularities of partially coherent non-PEMBs and the dynamical propagation of Lissajous singularities of polychromatic non-PEMBs, the typical existing form, evolution and control of polarization singularities, where, based on the rigorous electromagnetic field theory and our developing method, the intuitive insight into the physical nature of non-PEMBs and the new dynamical evolution behavior of polarization singularities is stressed. Our results would be usefull for controlling polarization singularities and understanding polarization and polarization singular phenomena of vector electromagnetic wavefields in the light frequency range, and for predicting new physical phenomena and experiments, as well as for extending vector si

英文关键词： Vector singular optics；polarization singularity；non-paraxial electromagnetic beam；spectral Stokes Singularity；Lissajous singularity