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Conferences > CLEO_SI > 2018 > SW3D > SW3D.6

Control of Spoof Localized Surface Plasmons Using Terahertz Near-field Microscope

Takashi Arikawa, Shohei Morimoto, Tomoki Hiraoka, François Blanchard, Kyosuke Sakai, Keiji Sasaki, and Koichiro Tanaka

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Abstract

We performed time-resolved terahertz near-field imaging of a gold disk with sub-wavelength periodic grooves and successfully observed spoof localized surface plasmons. A selective excitation method is also demonstrated with orbital angular momentum of light.

© 2018 The Author(s)

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