Surface plasmon transmission across narrow grooves in thin silver films
Authors:
- 3 March 2003
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 82 (9) , 1368-1370
Abstract
We report on the direct measurement of surface plasmon transmissivity of narrow grooves in thin silver films using near-field optical microscopy in an attenuated-total-reflection setup. For different groove widths, we observe characteristic changes in transmissivity that are attributed to resonant gap modes. The results are in good agreement with existing theoretical predictions.Keywords
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