Surface plasmon-mediated far-field emission of laser dye solutions
Carola Geiger, Jochen Fick
TL;DR
This paper investigates how surface plasmon polaritons on metal gratings enhance the far-field emission of laser dye solutions, demonstrating reusability of gratings for different dyes through angle-resolved spectra analysis.
Contribution
It introduces a method to analyze surface plasmon effects on dye emission using reusable metal gratings and angle-resolved spectroscopy.
Findings
Surface plasmon polaritons are identified in the spectra.
Strong plasmon-mediated emission enhancement is observed.
Gratings can be reused for different dye measurements.
Abstract
Angle-resolved reflection and emission spectra of metal gratings consisting of sub-wavelength grooves and immersed into rhodamine B and rhodamine 19 solutions are presented. The measured reflection and emission dispersion diagrams reveal the surface plasmon polaritons positions and strong plasmon mediated emission enhancement, respectively. The same grating could be easily re-used for the characterization of different dye-molecules.
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