光学隧道中的三维偏振效应。

IF 1.4 3区 物理与天体物理 Q3 OPTICS
Mengwen Guo, Andreas Norrman, Ari T Friberg, Jose J Gil, Tero Setälä
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引用次数: 0

摘要

我们考虑了双棱镜系统间隙中由随机平面波激发的倏逝光场的三维(3D)偏振特性。该分析涵盖了受抑全内反射(FTIR)的情况,即光隧道,并依赖于3×3偏振矩阵的特征分解。我们特别发现,对于任何入射的部分偏振平面波,间隙内的倏逝场必然处于非规则的、真正的3D偏振状态。我们还表明,第二边界处的场的三维极化特性对间隙宽度的变化很敏感,并且当平面波的入射角变大时,对于较小的宽度会产生相关影响。这项工作的结果揭示了真实三维倏逝场极化结构的新方面,并可能在近场光学和表面纳米光子学中找到应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Three-dimensional polarization effects in optical tunneling.

We consider the three-dimensional (3D) polarimetric properties of an evanescent optical field excited in the gap of a double-prism system by a random plane wave. The analysis covers the case of frustrated total internal reflection (FTIR), i.e., optical tunneling, and relies on the characteristic decomposition of the 3×3 polarization matrix. We find in particular that, for any incident partially polarized plane wave, the evanescent field inside the gap is necessarily in a nonregular, genuine 3D polarization state. We also show that the 3D polarimetric properties of the field at the second boundary are sensitive to the changes of the gap width and that the relevant effects occur for the smaller widths when the angle of incidence of the plane wave becomes larger. The results of this work uncover new aspects of the polarimetric structure of genuine 3D evanescent fields and may find applications in near-field optics and surface nanophotonics.

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来源期刊
CiteScore
3.40
自引率
10.50%
发文量
417
审稿时长
3 months
期刊介绍: The Journal of the Optical Society of America A (JOSA A) is devoted to developments in any field of classical optics, image science, and vision. JOSA A includes original peer-reviewed papers on such topics as: * Atmospheric optics * Clinical vision * Coherence and Statistical Optics * Color * Diffraction and gratings * Image processing * Machine vision * Physiological optics * Polarization * Scattering * Signal processing * Thin films * Visual optics Also: j opt soc am a.
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