2-D PSTD Simulation of focusing monochromatic light through a macroscopic scattering medium via optical phase conjugation

被引：5
|
作者：
Tseng, Snow H. [1 ]
机构：
[1] Natl Taiwan Univ, Grad Inst Photon & Optoelectron, Taipei 10617, Taiwan
来源：
BIOMEDICAL OPTICS EXPRESS | 2015年 / 6卷 / 03期
关键词：
TRANSMISSION EIGENCHANNELS; TIME;
D O I：
10.1364/BOE.6.000815
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
By employing the pseudospectral time-domain (PSTD) simulation technique, we analyze the propagation of monochromatic light through a macroscopic scattering medium. Simulation results show that, monochromatic light can be directed through a scattering medium and focus into a narrow peak; a range of wavelengths has been simulated. Furthermore, we compare: i) focusing monochromatic light through a macroscopic scattering medium, and, ii) focusing monochromatic light through vacuum. Based upon numerical solutions of Maxwell's equations, we demonstrate: with a fully-surrounding wavefront of specific amplitude and phase, sub-diffraction focusing can be achieved with monochromatic light, with or without the presence of a scattering medium. (C) 2015 Optical Society of America
引用
收藏
页码：815 / 826
页数：12
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