標題: A High-Accuracy Multidomain Legendre Pseudospectral Frequency-Domain Method With Penalty Scheme for Solving Scattering and Coupling Problems of Nano-Cylinders
作者: Wang, Chih-Yu
Chung, Shih-Yung
Teng, Chun-Hao
Wang, Juen-Kai
Chen, Chung-Ping
Chang, Hung-chun
應用數學系
數學建模與科學計算所(含中心)
Department of Applied Mathematics
Graduate Program of Mathematical Modeling and Scientific Computing, Department of Applied Mathematics
關鍵字: Electromagnetic near fields;electromagnetic wave scattering;plasmonics;pseudospectral frequency-domain (PSFD) method
公開日期: 1-三月-2013
摘要: A new multidomain pseudospectral frequency-domain (PSFD) method based on the Legendre polynomials with penalty scheme is developed for numerically modeling electromagnetic wave scattering problems. The primary aim of the proposed method is to more accurately analyzing scattering and coupling problems in plasmonics, in which optical waves interact with nanometer-sized metallic structures. Using light scattering by a silver circular cylinder as a first example, the formulated method is demonstrated to achieve numerical accuracy in near-field calculations on the order of 10(-9) with respect to a unity field strength of the incident wave with excellent exponentially convergent behavior in numerical accuracy. Then, scattering by a dielectric square cylinder and that by several coupled metallic structures involving circular cylinders, square cylinders, or dielectric coated cylinders are examined to provide high-accuracy coupled near-field results.
URI: http://dx.doi.org/10.1109/JLT.2012.2233714
http://hdl.handle.net/11536/21013
ISSN: 0733-8724
DOI: 10.1109/JLT.2012.2233714
期刊: JOURNAL OF LIGHTWAVE TECHNOLOGY
Volume: 31
Issue: 5
起始頁: 768
結束頁: 778
顯示於類別:期刊論文


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