弱耦合非棒晶体的旋光性
Optical activity in weakly coupled nonorods
摘要:
我们介绍了一种矩阵方法,我们推导出一个公式的相位延迟等离子体系统的影响。我们详细分析了两个正交的Au纳米棒的圆二向色性响应(CD),并且我们表明,虽然理论上,前向散射的圆二向色性与粒子之间的偶极-偶极相互作用成正比,但是由于两种不同类型的相之间的权衡,系统的CD响应在弱耦合中可以大得多。
英文摘要:
We introduce a matrix method and we derive a formula for phase retardation effects in plasmonic systems. We analyze the circular dichroic response (CD) of two orthogonal Au nanorods in detail and we show that, although, theoretically, circular dichroism for forward scattering is directly proportional to the dipole-dipole interaction between the particles, CD response of the system can be much greater in weak coupling due to the trade off between two different types of phases.
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