Plasmonic resonance of bowtie antennas and their geometry dependence

Ruilin Dong; Yixuan Nie; Shang Yao; Yucheng Jiang; Jing Meng; Yuping Yang

doi:10.1117/12.999703

5 December 2012 Plasmonic resonance of bowtie antennas and their geometry dependence

Ruilin Dong, Yixuan Nie, Shang Yao, Yucheng Jiang, Jing Meng, Yuping Yang

Proceedings Volume 8562, Infrared, Millimeter-Wave, and Terahertz Technologies II; 85621L (2012) https://doi.org/10.1117/12.999703
Event: Photonics Asia, 2012, Beijing, China

Abstract

In order to provide a guide for the design and optimization of bowtie-shaped antenna arrays, their plasmonic properties have been experimentally and numerically investigated with emphasis on geometry and gap separation in THz frequencies. A stronger absorption, frequent red-shift and a higher Q-factor were observed in bowtie dimers, instead of the monomers. Based on the finite-element (FE) simulations using CST Microwave Studio, it was found that these resonant properties of the periodic bowtie particles can be further modulated by their geometric factors, including aspect ratio, area porosity as well as gap separation.

Citation Download Citation

Ruilin Dong, Yixuan Nie, Shang Yao, Yucheng Jiang, Jing Meng, and Yuping Yang "Plasmonic resonance of bowtie antennas and their geometry dependence", Proc. SPIE 8562, Infrared, Millimeter-Wave, and Terahertz Technologies II, 85621L (5 December 2012); https://doi.org/10.1117/12.999703

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