Near-Field Scanning Optical Microscopy: Chemical ImagingAuthorsPublication Date4/13/04Read full article onlineFull ArticleAbstractChemical near-field microscopy is a promising optical technique, which transcends the diffraction limit of classical optical microscopy while maintaining its spectroscopic capabilities and sharing the benefit of topographic contrast from proximal probe microscopies. Several techniques and sources of chemical contrast are discussed, from the time-resolved mapping of electric field-induced molecular reorientation in polymer films to the vibrational Raman spectrum of single-carbon nanotubes with 28 nm spatial resolution in the optical image. |
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