Overview
ABSTRACT
For over a century, it had been stated for theoretical reasons that the optimal resolution of traditional microscopes was limited to around 250 nm. The near-field optical microscopy now allows for going beyond this limit. Based upon the observation of the light diffracted by the object at only a few nanometers of its surface, this new optics provides access to the behavior of materials in response to an electromagnetic excitation with a resolution of a few nanometers which represents a spectacular technological breakthrough in this domain.
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INTRODUCTION
For over a century, it was accepted on theoretical grounds that the optimum resolution of conventional microscopes was limited to around 250 nm. Today, near-field optical microscopy makes it possible to break through this barrier. Based on the observation of light diffracted by the object at only a few nanometers from its surface, this new optic gives us access to the behavior of materials in response to electromagnetic excitation with a resolution of just a few nanometers, representing a spectacular technological advance in the field.
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Bibliography
- (1) - - http://fr.wikipedia.org/wiki/Th%C3%A9orie de la diffraction, Wikipédia, article sur la théorie de la diffraction
- (2) - LAHMANI (M.), DUPAS (C.), HOUDY (P.) - Les nanosciences : nanotechnologies...
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