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Proceedings Paper

Side-illumination fluorescence (SIF) spectroscopy studies of aggregation ISQ dye-doped polymer optical fibers
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Paper Abstract

We apply the side-illumination fluorescence (SIF) technique to study the excited states of ISQ molecules in polymer optical fibers (POFs). Fluorescence from ISQ-doped POFs is used as a broad wavelength light source to characterize aggregate electronic states of the ISQ dye. We show that a model which accounts for inhomogeneous broadening characterizes the J-aggregate like excited sate in highly concentrated ISQ-doped poly(methyl methacrylate) multimode fibers. These aggregate states are undetectable using standard transmission spectroscopy technique due to the large absorbance on resonance and are typically red-shifted 100-150 nm from the dominant excited state. The classification of the formation of aggregate states off- resonance is important for both linear and nonlinear optical device applications.

Paper Details

Date Published: 5 October 1999
PDF: 8 pages
Proc. SPIE 3799, Organic Photorefractives, Photoreceptors, Waveguides, and Fibers, (5 October 1999); doi: 10.1117/12.363913
Show Author Affiliations
Robert J. Kruhlak, Washington State Univ. (New Zealand)
Mark G. Kuzyk, Washington State Univ. (United States)

Published in SPIE Proceedings Vol. 3799:
Organic Photorefractives, Photoreceptors, Waveguides, and Fibers
David H. Dunlap; Stephen Ducharme; Robert A. Norwood; David H. Dunlap; Robert A. Norwood, Editor(s)

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