Optique sub-longueur d'onde et fluorescence moléculaire perturbée

Abstract : Study of near-field optics interaction with a fluorescent molecule. We develop an original formalism able to describe the dynamic of molecule excited in near-field optics. It consists on introducing the field-susceptibility technic in the optical Bloch equations. Then, we apply this formalism to two configurations of scanning near-field optical microscopes using a single fluorescent molecule probe as a detector or a light source. In particular, we precise the role of the local density of states in the images formation. The last part opens up perspectives for the optical addressing of single molecule in coplanar geometry. We demonstrate the possiblity to realize sub-wavelength optical waveguides excited by an evanescent electric field.
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Contributor : Gérard Colas Des Francs <>
Submitted on : Saturday, March 1, 2003 - 10:01:39 AM
Last modification on : Monday, April 29, 2019 - 4:34:52 PM
Long-term archiving on : Tuesday, September 11, 2012 - 8:00:17 PM

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Gérard Colas Des Francs. Optique sub-longueur d'onde et fluorescence moléculaire perturbée. Physique Atomique [physics.atom-ph]. Université Paul Sabatier - Toulouse III, 2002. Français. ⟨tel-00002498⟩

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