IMAGING OF SURFACE-PLASMON PROPAGATION AND EDGE INTERACTION USING A PHOTON SCANNING TUNNELING MICROSCOPE

P DAWSON, F DEFORNEL, J P GOUDONNET

Research output: Contribution to journalArticle

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Abstract

We report the direct imaging of surface plasmon propagation on thin silver films using the photon scanning tunneling microscope. It is found that the surface plasmon remains tightly confined in the original launch direction with insignificant scattering to other momentum states. A propagation length of 13.2 mum is measured at lambda = 632.8 nm. We also present images showing the interaction of a surface plasmon with the edge of the metal film supporting it. The most remarkable feature is the absence of a specularly reflected beam.

Original languageEnglish
Pages (from-to)2927-2930
Number of pages4
JournalPhysical Review Letters
Volume72
Issue number18
Publication statusPublished - 02 May 1994

Cite this

DAWSON, P ; DEFORNEL, F ; GOUDONNET, J P . / IMAGING OF SURFACE-PLASMON PROPAGATION AND EDGE INTERACTION USING A PHOTON SCANNING TUNNELING MICROSCOPE. In: Physical Review Letters. 1994 ; Vol. 72, No. 18. pp. 2927-2930.
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abstract = "We report the direct imaging of surface plasmon propagation on thin silver films using the photon scanning tunneling microscope. It is found that the surface plasmon remains tightly confined in the original launch direction with insignificant scattering to other momentum states. A propagation length of 13.2 mum is measured at lambda = 632.8 nm. We also present images showing the interaction of a surface plasmon with the edge of the metal film supporting it. The most remarkable feature is the absence of a specularly reflected beam.",
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IMAGING OF SURFACE-PLASMON PROPAGATION AND EDGE INTERACTION USING A PHOTON SCANNING TUNNELING MICROSCOPE. / DAWSON, P ; DEFORNEL, F ; GOUDONNET, J P .

In: Physical Review Letters, Vol. 72, No. 18, 02.05.1994, p. 2927-2930.

Research output: Contribution to journalArticle

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AB - We report the direct imaging of surface plasmon propagation on thin silver films using the photon scanning tunneling microscope. It is found that the surface plasmon remains tightly confined in the original launch direction with insignificant scattering to other momentum states. A propagation length of 13.2 mum is measured at lambda = 632.8 nm. We also present images showing the interaction of a surface plasmon with the edge of the metal film supporting it. The most remarkable feature is the absence of a specularly reflected beam.

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