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Journal Articles Synthetic Metals Year : 2003

Development of an apertureless near-field optical microscope for fluorescence imaging and spectroscopy

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Abstract

We describe an apertureless-scanning near-field optical microscope (A-SNOM) in a backscattering configuration for fluorescence imaging. The feasibility of the setup was tested on 100 nm latex spheres doped with dye-molecules. Near-field Rayleigh scattering and fluorescence images of this sample were acquired. The near-field image demodulated at the frequency of the tip vibration displays a set of fringes which disappear at higher demodulated harmonics. A far-field spectrum of an area of this test sample proves that the corresponding near-field image acquired in the same conditions of illumination and detection contains near-field fluorescence information.

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hal-02301814 , version 1 (30-09-2019)

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Séverine Diziain, Pierre-Michel Adam, Jean-Louis Bijeon, Marc Lamy de La Chapelle, Pascal Royer. Development of an apertureless near-field optical microscope for fluorescence imaging and spectroscopy. Synthetic Metals, 2003, 139 (3), pp.557-560. ⟨10.1016/S0379-6779(03)00273-X⟩. ⟨hal-02301814⟩

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