典型文献
Creating and moving nanoantenna cold spots anywhere
文献摘要：
Cold spots are sub-wavelength regions which might emerge near a nanoantenna,should one or more components of some far-field illumination cancel out with scattered light.We show that by changing only the polarisation,amplitude,and phase of two plane waves,a unique,zero-magnitude and highly sub-wavelength cold spot can be created and moved anywhere in the space around a nanoantenna of any arbitrary shape.This can be achieved using ultra-fast modulated pulses,or a time-harmonic approximation.Easily disturbed by a change in the nanoantenna's material or position,a manufactured cold spot is fragile and could be used in nanoscale sensing.Our technique exploits the linearity of Maxwell's equations and could be adapted to manipulate any phenomena governed by the linear wave equation,including acoustic scattering.This is a means for potentially ultra-fast sub-wavelength electric field manipulation.
文献关键词：
中图分类号：
作者姓名：
Alex J.Vernon;Francisco J.Rodríguez-Fortu?o
作者机构：
Department of Physics,King's College London,Strand,London WC2R 2LS,United Kingdom
文献出处：
引用格式：
[1]Alex J.Vernon;Francisco J.Rodríguez-Fortu?o-.Creating and moving nanoantenna cold spots anywhere)[J].光：科学与应用（英文版）,2022(10):2335-2344
A类：
Easily
B类：
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AB值：
0.641119
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