| Project ID |
BPN580 |
| Website |
|
| Start Date |
Tue 2010-Aug-10 22:03:16 |
| Last Updated |
Thu 2011-Aug-18 12:44:36 |
| Abstract |
Optical transmission through a very small nanoaperture decorated with concentric gratings on the apex
of a metallic micropyramid can guide the beam path after transmission. A micro-pyramidal probe with
periodic grooves acts as an antenna in terms of beam radiation as well as a lens in terms of beam
focus. We optically resolve that the transmitted beam is splitted to the corresponding pyramid
surfaces guided by gratings. By using the pseudo-Kretschmann configuration and grating surface plasmon
polariton coupling, we can explain that SPPs propagating along a pyramidal surface modulated with a
grating couple to light and thus radiate. The work may lead to more sensitive probes of the optical
properties of nanostructures. |
| Status |
Continuing |
| Funding Source |
Other |
| IAB Research Area |
NanoPlasmonics, Microphotonics & Imaging |
| Researcher(s) |
Seung-min Park, Soongweon Hong |
| Advisor(s) |
Luke P. Lee |
|
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