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15 October 2003 Resonance-enhanced fluorescence in photonic crystals studied by near-field technique
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Abstract
The spatial distribution of the local optical field in the photonic crystal (PC) microcavities (MC) formed from porous silicon and in MC doped by fluorescent dye is studied by apertureless scanning near-field optical microscope (SNOM). To increase fluorescence up to 100 times photonic crystals are doped by fluorescence dye Rhodamin 6G. Photoluminescence spectroscopy of porous silicon photonic crystal MC is studied by far-field and near-field probes. The spatial distribution of optical field at the cleaved edge of MC is observed in near-field scattering and photoluminescence. The image of the spatial distribution of local optical field in near-field fluorescence at the wavelength of local optical maximum of fluorescence spectra shows the localization of radiation in MC layer.
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Oleg V. Lebedev, Anton I Maidykovski, and Oleg A. Aktsipetrov "Resonance-enhanced fluorescence in photonic crystals studied by near-field technique", Proc. SPIE 5220, Nanofabrication Technologies, (15 October 2003); https://doi.org/10.1117/12.505696
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