研究手性介质中二维图像通过厚透镜的双模传播特性。
Impact of Chirality on the Properties of Two-Dimensional Images Propagating Through a Chiral Dispersive Thick Lens
- 基于圆偏振光构建左右旋双模传输矩阵
- 揭示不同手性带下色散引起的成像模糊效应
- 适合光学成像与手性材料设计研究者
考虑介电常数的一阶频率相关色散及手性材料特性,推导出通过手性色散厚透镜实现二维物体双模传播的理论模型。在均匀背景中,手性厚透镜因固有的双模传播机制,分别基于右旋和左旋圆偏振模式,建立频变的ABCD矩阵。以二维彩色透明片为物体,利用ABCD矩阵参数分析图像传输过程,并考察不同手性带下的色散导致的失焦效应。
原文摘要 · Abstract (English)
Dual image formation for a two-dimensional object via bimodal propagation through chiral-dispersive thick lens is derived. In this article, first-order frequency-dependent material dispersion of the dielectric permittivity and the lens material being chiral are considered. In addition, the thick lens is configured in a uniform background. A salient feature of a chiral thick lens is the inherent bimodal propagation via circular polarizations. Under chirality, two sets of ABCD frequency dependent matrices are derived for right- and left-circularly polarized modes based on standard paraxial and meridional conditions. For imaging purposes, a simple2D colored transparency is placed as an object before the thick lens. The image transmission across the lens examined via the ABCD matrix parameters and defocusing effects due to dispersion under different chirality bands.
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