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Quantitative measurement of scattering and extinction spectra of nanoparticles by darkfield microscopy
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10.1063/1.3636439
/content/aip/journal/apl/99/13/10.1063/1.3636439
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/13/10.1063/1.3636439
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Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) (200 × 500) nm2 TEM image of gold nanorods. (b) Lower inset: scattering measurement setup; when NA < 1.2, the acceptance cone of the objective excludes direct illumination thus receiving scattered photons only; upper inset: extinction measurement setup; instead when NA > 1.2, the acceptance cone of the objective also collects a fraction of straight illumination; data: rate of counts vs. objective acceptance solid angle (dotted line) with their fit from the Rayleigh model (solid line). (c) Polar profile of the scattered light distribution inferred from the Rayleigh model.

Image of FIG. 2.
FIG. 2.

Topmost curves: extinction cross section spectra measured by DM (solid line), simulated by Gans model (broken line), and measured by spectrophotometry (dotted line). Bottommost curves: scattering cross section spectra measured by DM (solid line) and simulated by Gans model (broken line).

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/content/aip/journal/apl/99/13/10.1063/1.3636439
2011-09-30
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Quantitative measurement of scattering and extinction spectra of nanoparticles by darkfield microscopy
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/13/10.1063/1.3636439
10.1063/1.3636439
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