Dispersion properties of nonradiating configurations: Finite-difference time-domain modeling

被引：40
|
作者：
Boardman, AD [1 ]
Marinov, K
Zheludev, N
Fedotov, VA
机构：
[1] Univ Salford, Dept Phys, Joule Lab, Photon & Nonlinear Sci Grp, Salford M5 4WT, Lancs, England
[2] Univ Southampton, Sch Phys & Astron, EPSRC Nanophoton Portfolio Ctr, Southampton SO17 1BJ, Hants, England
来源：
PHYSICAL REVIEW E | 2005年 / 72卷 / 03期
基金：
英国工程与自然科学研究理事会;
关键词：
D O I：
10.1103/PhysRevE.72.036603
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
A finite-difference time-domain (FDTD) numerical analysis is used to demonstrate that a toroidal solenoid, coaxial with an electric dipole, is a remarkable nonradiating configuration. It can be used to measure the dielectric permittivity of any ambient matter. It becomes a directional radiator at an interface between two dielectric media, depositing energy in the material with the highest polarizability.
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页数：6
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