Near-field scanning optical microscopy local luminescence studies of rhodamine dye

• Authors: Petr Klapetek , Juraj Bujdák , Jiří Buršík
• Languages of publication: EN

Abstracts

EN

This article presents results of near-field scanning optical microscope measurement of local luminescence of rhodamine 3B intercalated in montmorillonite samples. We focus on how local topography affects both the excitation and luminescence signals and resulting optical artifacts. The Finite Difference in Time Domain method (FDTD) is used to model the electromagnetic field distribution of the full tip-sample geometry including far-field radiation. Even complex problems like localized luminescence can be simulated computationally using FDTD and these simulations can be used to separate the luminescence signal from topographic artifacts.

Keywords

EN

NSOM; luminescence

• Publisher: De Gruyter Open
• Journal: Open Physics
• Year: 2010
• Volume: 8
• Issue: 3
• Pages: 312-317

Dates

published

1 - 6 - 2010

online

24 - 4 - 2010

Contributors

author

Petr Klapetek

• Czech Metrology Institute, Okružní 31, 638 00, Brno, Czech Republic

author

Juraj Bujdák

author

Jiří Buršík

• Institute of Physics of Materials, Žižkova 22, 616 62, Brno, Czech Republic

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Identifiers

DOI

10.2478/s11534-009-0109-6