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Surface plasmon coupled fluorescence in deep-ultraviolet excitation by Kretschmann configuration

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Abstract

We report the experimental demonstration of fluorescence of CdSe quantum dots with surface plasmon excitation in deep-ultraviolet (deep-UV) region. Surface plasmon resonance in deep-UV is excited by aluminum thin film in the Kretschmann-Raether geometry. Considering the oxidation thickness of aluminum, the experimental results of incident angle dependence of reflectance show good agreement with Fresnel theory. Surface plasmon resonance with 19 nm-thick aluminum and 5 nm-thick alumina was excited at the incident angle of 48 degrees for 266 nm excitation. Fluorescence of CdSe quantum dots coated on this aluminum film was observed by the surface plasmon excitation.

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Correspondence to Atsushi Ono.

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Ono, A., Kikawada, M., Inami, W. et al. Surface plasmon coupled fluorescence in deep-ultraviolet excitation by Kretschmann configuration. Front. Phys. 9, 60–63 (2014). https://doi.org/10.1007/s11467-013-0385-x

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  • DOI: https://doi.org/10.1007/s11467-013-0385-x

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