Amplitude and phase of single nanoparticle calculated using finite-difference time-domain method

被引：0
|
作者：
Hong, Xin [1 ]
Liu, Huan [1 ]
机构：
[1] Dalian Univ Technol, Fac Elect Informat & Elect Engn, Dept Biomed Engn, Dalian 116024, Peoples R China
来源：
OPTOELECTRONIC IMAGING AND MULTIMEDIA TECHNOLOGY III | 2014年 / 9273卷
关键词：
FDTD method; single nanoparticle; scattering; heterodyne interference; PARTICLES; BEAM;
D O I：
10.1117/12.2071326
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this work, we present a model to calculate the electric amplitude and phase field distribution of single nanoparticle by using finite-difference time-domain (FDTD) method. We model the light-nanoparticle interaction by using a liner polarization light to illuminate the single nanoparticle through immersion oil and glass substrate. The illumination is set as a cone of plane waves limited by the aperture of the objective. The scattering field summarized on a single detector is amplified by heterodyne interference with a reference light. The amplitude and phase distribution of particles with different diameters ranging from 50 nm to 2 micron are calculated.
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收藏
页数：6
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