光学超材料中的负折射率
光学
2009-11-11 v2
摘要
一组平行金纳米棒阵列在 1.5 微米的光通信波长处显示出负折射率 n'=-0.3。该效应源于纳米棒对中光电场和磁场分量的等离子体共振。折射率由透射和反射的直接相位与振幅测量反演得到,这些测量结果与我们的时域有限差分模拟极为吻合。折射关键依赖于透射波的相位,这强调了相位测量在求取 n' 时的重要性。
引用
@article{arxiv.physics/0504091,
title = {Negative Index of Refraction in Optical Metamaterials},
author = {Vladimir M. Shalaev and Wenshan Cai and Uday Chettiar and Hsiao-Kuan Yuan and Andrey K. Sarychev and Vladimir P. Drachev and Alexander V. Kildishev},
journal= {arXiv preprint arXiv:physics/0504091},
year = {2009}
}
备注
an improved version (17 pages, 5 figures) with a new sample and additional measurements