Modified Combined Tangential Formulation for Stable and Accurate Analysis of Plasmonic Structures

Date

2019-05-01

Author

Karaosmanoglu, Bariscan
Ergül, Özgür Salih

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We consider a modified combined tangential formulation (MCTF) for stable and accurate analysis of plasmonic problems involving metallic objects modeled as penetrable bodies. For a wide range of negative real permittivity values, corresponding to varying characteristics of metals at THz, infrared, and visible frequencies, MCTF provides accurate solutions in comparison to the conventional formulations for penetrable objects. We further show that, for structures with subwavelength dimensions, penetrable models formulated with MCTF can be essential for accurate analysis, rather than the perfectly conducting formulations, even at the lower THz frequencies.

Subject Keywords

Plasmonic problems, Scattering, Surface integral equations

URI

https://hdl.handle.net/11511/55903

Journal

APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY JOURNAL

Collections

Department of Electrical and Electronics Engineering, Article

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Citation Formats

B. Karaosmanoglu and Ö. S. Ergül, “Modified Combined Tangential Formulation for Stable and Accurate Analysis of Plasmonic Structures,” APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY JOURNAL, pp. 811–814, 2019, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/55903.