Optical content and resolution of near-field optical images: Influence of the operating mode Collection mode near-field scanning optical microscopy Optical content and resolution of near-field optical images: Influence of the operating mode - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Journal of Applied Physics Année : 1997

Optical content and resolution of near-field optical images: Influence of the operating mode Collection mode near-field scanning optical microscopy Optical content and resolution of near-field optical images: Influence of the operating mode

Résumé

Recent experimental work has shown that the contrast of near-field optical images depends on the path followed by the tip during the scan. This artifact may misguide the interpretation of the images and the estimation of the optical resolution. We provide a rigorous theoretical study of this effect based on three-dimensional perturbation theory and two-dimensional exact numerical calculations. We quantitatively study the dependence of the artifact on the illumination/detection conditions and on the scattering potential of the sample. This study should provide guidelines for future experimental work.
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hal-01621218 , version 1 (23-10-2017)

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  • HAL Id : hal-01621218 , version 1

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R Carminati, A Madrazo, M. Nieto-Vesperinas, J.-J Greffet. Optical content and resolution of near-field optical images: Influence of the operating mode Collection mode near-field scanning optical microscopy Optical content and resolution of near-field optical images: Influence of the operating mode. Journal of Applied Physics, 1997, 82 (2), pp.501-509. ⟨hal-01621218⟩
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