圆偏振光在方形纳米天线周围诱导的旋转位移电场强度分布
光学
2024-01-24 v1
摘要
由圆偏振光激发的规则多边形金属纳米结构周围的光场可呈现旋转位移的强度分布。尽管该现象已被认识,其潜在机制尚未得到充分解释。本文中,有限差分时域(finite-difference time-domain)模拟与模型分析揭示,当构成圆偏振的各个线偏振分量均激发多种模式的叠加时,可产生旋转位移的光强分布。所提模型合理地解释了方形纳米天线及其他正多边形纳米天线的旋转位移图样。
引用
@article{arxiv.2311.15133,
title = {Rotationally displaced electric field intensity distribution around square nanoantennas induced by circularly polarized light},
author = {Naoki Ichiji and Takuya Ishida and Ikki Morichika and Tetsu Tatsuma and Satoshi Ashihara},
journal= {arXiv preprint arXiv:2311.15133},
year = {2024}
}
备注
5pages, 5 figures