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March 17th, 2005
Nanoparticles create active tips for near-field optical microscopy
Researchers at the University Joseph Fourier, CNRS (French National Centre for Scientific Research) and CEA Grenoble (Atomic Energy Commission), France, have created an active optical tip for near-field scanning optical microscopy with just a few nanoparticles of cadmium selenide at its apex. The scientists believe their tip may even contain just one nanoparticle.
"This opens the way to optics at true molecular resolution, i.e. far beyond the classical limit due to light diffraction."
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