Title :
Near-field imaging of second harmonic generation from ellipsoidal gold nanoparticles
Author :
Zavelani-Rossi, M. ; Celebrano, M. ; Polli, D. ; Biagioni, P. ; Finazzi, M. ; Duò, L. ; Svelto, O. ; Cerullo, G. ; Labardi, M. ; Allegrini, M. ; Grand, J. ; Adam, P.M.
Author_Institution :
Dipartimento di Fisica, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133, Italy
Abstract :
Second-harmonic generation by single gold nanofabricated particles is experimentally investigated by a non-linear near field scanning optical microscope. The nanoscale nonlinear response is found to strongly depend on surface plasmon resonances and on local morphology.
Keywords :
Frequency conversion; Gold; Nanoparticles; Nonlinear optics; Optical harmonic generation; Optical imaging; Optical microscopy; Plasmons; Resonance; Surface morphology;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431548
