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

Séverine Diziain 1 Pierre-Michel Adam 1 Jean-Louis Bijeon 1 Marc Lamy de la Chapelle 1 Pascal Royer 1
1 LNIO - Laboratoire de Nanotechnologie et d'Instrumentation Optique
ICD - Institut Charles Delaunay
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.
Keywords : Scanning near-field optical microscopy Fluorescence
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Journal articles
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https://hal-utt.archives-ouvertes.fr/hal-02301814
Contributor : Daniel Gavrysiak <>
Submitted on : Monday, September 30, 2019 - 4:52:41 PM
Last modification on : Tuesday, October 1, 2019 - 1:32:27 AM

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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, Elsevier, 2003, 139 (3), pp.557-560. ⟨10.1016/S0379-6779(03)00273-X⟩. ⟨hal-02301814⟩

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