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

Robert J. Kruhlak; Mark G. Kuzyk

doi:10.1117/12.363913

5 October 1999 Side-illumination fluorescence (SIF) spectroscopy studies of aggregation ISQ dye-doped polymer optical fibers

Robert J. Kruhlak, Mark G. Kuzyk

Author Affiliations +

Proceedings Volume 3799, Organic Photorefractives, Photoreceptors, Waveguides, and Fibers; (1999) https://doi.org/10.1117/12.363913
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

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.

Citation Download Citation

Robert J. Kruhlak and Mark G. Kuzyk "Side-illumination fluorescence (SIF) spectroscopy studies of aggregation ISQ dye-doped polymer optical fibers", Proc. SPIE 3799, Organic Photorefractives, Photoreceptors, Waveguides, and Fibers, (5 October 1999); https://doi.org/10.1117/12.363913

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