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Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

Published on: July 21, 2018

Surface plasmon-coupled directional fluorescence emission.

Ignacy Gryczynski¹, Joanna Malicka, Zygmunt Gryczynski

¹Center for Fluorescence Spectroscopy, Department of Biochemistry and Molecular Biology, University of Maryland at Baltimore, 725 West Lombard Street, Baltimore, MD, USA 21201.

Proceedings of Spie--The International Society for Optical Engineering

|September 10, 2009

Summary

This summary is machine-generated.

Directional fluorescence emission from sulforhodamine 101 in polyvinyl alcohol films was observed. The emission angle, forming a hollow cone, depends on film thickness, not excitation mode, relevant for surface plasmon resonance analysis.

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Area of Science:

Optics and Photonics
Materials Science
Spectroscopy

Background:

Fluorescence emission is crucial for various optical applications.
Surface plasmon resonance (SPR) offers sensitive detection methods.
Controlling fluorescence emission directionality is key for advanced optical devices.

Purpose of the Study:

To investigate the directional fluorescence emission of sulforhodamine 101 in polyvinyl alcohol films.
To analyze the angular dependence of surface plasmon-coupled emission (SPCE).
To explore the relevance of SPCE to surface plasmon resonance (SPR) analysis.

Main Methods:

Deposition of sulforhodamine 101 in polyvinyl alcohol films on semi-transparent silver mirrors.
Observation of fluorescence emission through a glass prism.
Analysis of the angular distribution of the emitted fluorescence.
Correlation of emission angle with sample thickness and excitation mode.

Main Results:

Observed directional fluorescence emission of sulforhodamine 101.
Fully p-polarized fluorescence emerged in a hollow cone.
The emission cone angle was dependent on sample thickness.
The emission angle was independent of the excitation mode.

Conclusions:

Demonstrated control over fluorescence emission directionality using thin films.
Established a relationship between sample thickness and SPCE angular distribution.
Highlighted the potential of SPCE for SPR analysis and optical device development.