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Controlling photoluminescent emission from polymer membranes through the creation of local deformation zones

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Abstract

Understanding and optimizing light propagation and extraction in light-emitting systems, such as fluorescent chemical sensors, is important for the production of more efficient sensors. We apply Monte Carlo ray tracing to model the effects of one-dimensional perturbations of film thickness on the luminescent emission (spatial, directional, spectral) of a freestanding transparent polymer film embedded with luminescent chromophores. Such modification not only enhances light extraction but also allows its location and direction to be controlled. Optimization of the deformation geometry allows for a 3.6-fold increase in intensity for a far-field detector.

© 2016 Optical Society of America

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Supplementary Material (2)

NameDescription
Visualization 1: MPG (7070 KB)      Effect of edge angle of groove on angular distribution of gain. The angle (?) represents the angle of the groove edge. The polar angle (?) is plotted the radial ordinate while the azimuthal angle (?) is plotted polar ordinate on the polar graph.
Visualization 2: MPG (6628 KB)      Effect of edge angle of groove on angular distribution of radiance. The angle (?) represents the angle of the groove edge. The polar angle (?) is plotted the radial ordinate while the azimuthal angle (?) is plotted polar ordinate on the polar graph.

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