Direct far-field observation of surface-plasmon propagation by photoinduced scattering

T. Velinov; Michael Geoffrey Somekh; S. Liu

doi:10.1063/1.125490

Direct far-field observation of surface-plasmon propagation by photoinduced scattering

T. Velinov
, Michael Geoffrey Somekh
, S. Liu

Research output: Journal article publication › Journal article › Academic research › peer-review

13 Citations (Scopus)

Abstract

A tightly focused laser beam is shown to act as a scatterer of surface plasmons. The energy released into free space due to the scattering is collected by far-field optics. Scanning the laser beam over the plasmon field gives a map of their propagation. Evidence is given which shows that the surface-plasmon map gives much more detail of plasmon propagation and film structure than the photothermal image, which monitors the heat deposited during plasmon propagation.

Original language	English
Pages (from-to)	3908-3910
Number of pages	3
Journal	Applied Physics Letters
Volume	75
Issue number	25
DOIs	https://doi.org/10.1063/1.125490
Publication status	Published - 20 Dec 1999
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.125490

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title = "Direct far-field observation of surface-plasmon propagation by photoinduced scattering",

abstract = "A tightly focused laser beam is shown to act as a scatterer of surface plasmons. The energy released into free space due to the scattering is collected by far-field optics. Scanning the laser beam over the plasmon field gives a map of their propagation. Evidence is given which shows that the surface-plasmon map gives much more detail of plasmon propagation and film structure than the photothermal image, which monitors the heat deposited during plasmon propagation.",

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AU - Velinov, T.

AU - Somekh, Michael Geoffrey

AU - Liu, S.

PY - 1999/12/20

Y1 - 1999/12/20

N2 - A tightly focused laser beam is shown to act as a scatterer of surface plasmons. The energy released into free space due to the scattering is collected by far-field optics. Scanning the laser beam over the plasmon field gives a map of their propagation. Evidence is given which shows that the surface-plasmon map gives much more detail of plasmon propagation and film structure than the photothermal image, which monitors the heat deposited during plasmon propagation.

AB - A tightly focused laser beam is shown to act as a scatterer of surface plasmons. The energy released into free space due to the scattering is collected by far-field optics. Scanning the laser beam over the plasmon field gives a map of their propagation. Evidence is given which shows that the surface-plasmon map gives much more detail of plasmon propagation and film structure than the photothermal image, which monitors the heat deposited during plasmon propagation.

UR - https://www.scopus.com/pages/publications/0004790883

U2 - 10.1063/1.125490

DO - 10.1063/1.125490

M3 - Journal article

SN - 0003-6951

VL - 75

SP - 3908

EP - 3910

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 25

ER -

Direct far-field observation of surface-plasmon propagation by photoinduced scattering

Abstract

ASJC Scopus subject areas

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