邮票型等离子体结构中红外场分布的纳米尺度观测

2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI:10.1109/IRMMW-THZ.2018.8510468

R. Yuasa, T. Okamoto, A. Sasagawa, Y. Kawano

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引用次数: 0

摘要

利用中红外(MIR)波段散射型扫描近场光学显微镜(s-SNOM)，观察了通过模板辅助印记法制备的牛眼(BE)等离子体结构的纳米级实空间光场分布。纳米尺度近场图像与电磁模拟结果的等离子体特征一致，表明制备的BE结构可以作为等离子体器件。因此，s-SNOM为获得等离子体微/纳米结构的纳米级实空间光场分布提供了强有力的工具。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Nanoscale Observation of Real-Space Mid-Infrared Field Distribution in a Stamp-Type Plasmonic Structure

By utilizing a scattering-type scanning near-field optical microscopy (s-SNOM) in mid-infrared (MIR) band, we observed nanoscale real-space optical field distribution in a Bull's eye (BE) plasmonic structure, which was fabricated through a template-assisted stamp method. Nanoscale near-field images were shown to agree with plasmonic features of electromagnetic simulation results, showing that the fabricated the BE structure works as a plasmonic device. The s-SNOM thus offers a strong tool for gaining nanoscale real-space optical field distribution in plasmonic micro/nanostructures.

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2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

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