Near-field optical spectroscopy based on the field enhancement at laser illuminated metal tips

L. Novotny, E. J. Sanchez, and X. S. Xie 
Optics and Photonics News, December, 1999 
[PDF, 190 Kb ]

Near-Field Fluorescence Microscopy Based on Two-Photon Excitation with Metal Tips
Erik J. Sanchez, Lukas Novotny, and X. Sunney Xie 
Physical Review Letters, 82, 4014 
[PDF, 302 Kb ]