Edge Modes of Surface Plasmon Nanodisk Antennas Visualized in 3-Photon PEEM

Published In

Microscopy and Microanalysis

Document Type

Citation

Publication Date

8-2015

Abstract

Here we report the direct observation of plasmonic edge modes or whispering gallery-type modes of nanoscale omni-directional disk antennas using near infrared three-photon PEEM. Our antennas are milled with a focused ion beam (FIB) from gold on copper composite films on indium tin oxide substrate (ITO) on glass. An ultrafast laser ([Lambda]0 = 800 nm) incident at 60° to the surface normal generates surface plasmons at the edges of the disks by diffraction.

Rights

© Microscopy Society of America 2015

DOI

10.1017/S1431927615012714

Persistent Identifier

https://archives.pdx.edu/ds/psu/30276

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