Tip/sample interactions, contrast, and near-field microscopy of biological and solid-state samples

Biological samples, molecular solids and solid state devices have been investigated by Near- Field Scanning Optical Microscopy (NSOM), Near-Field Optical Spectroscopy, and Near- Field Chemical Sensing. We report here on our progress in applying the NSOM technology to various biological and physical systems. Results demonstrating both spatial and spectral resolution as well as image contrast unique to the near-field technique are presented.