Control of surface plasmon generation efficiency by slit-width tuning

H. W. Kihm, K. G. Lee, D. S. Kim, J. H. Kang, Q Han Park

Research output: Contribution to journalArticle

61 Citations (Scopus)

Abstract

We demonstrate control of surface plasmon polariton (SPP) generation efficiency via varying the width of a single slit that acts as a SPP launcher. Generated SPP intensities are directly measured through a near-field scanning microscope measuring both the transmitted and the scattered light. These results demonstrate enhancement as well as suppression of surface plasmon generation efficiency at specific slit widths. The experimentally observed sinusoidal width dependence can be explained by diffraction theory.

Original languageEnglish
Article number051115
JournalApplied Physics Letters
Volume92
Issue number5
DOIs
Publication statusPublished - 2008 Feb 15

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slits
tuning
polaritons
launchers
near fields
microscopes
retarding
scanning
augmentation
diffraction

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Control of surface plasmon generation efficiency by slit-width tuning. / Kihm, H. W.; Lee, K. G.; Kim, D. S.; Kang, J. H.; Park, Q Han.

In: Applied Physics Letters, Vol. 92, No. 5, 051115, 15.02.2008.

Research output: Contribution to journalArticle

Kihm, H. W. ; Lee, K. G. ; Kim, D. S. ; Kang, J. H. ; Park, Q Han. / Control of surface plasmon generation efficiency by slit-width tuning. In: Applied Physics Letters. 2008 ; Vol. 92, No. 5.
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