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Conferences > QELS > 1999 > QWC > QWC7
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1999),
  • paper QWC7

Size-dependent dynamical screening effects in metal nanoparticles: ultra-fast pump-probe signal

T. V. Shahbazyan, I. E. Perakis, and J.-Y. Bigot

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Abstract

The absorption of light by metal nanoparticles is dominated by the surface plasmon (SP) resonance. Although the linear absorption spectrum has been extensively studied,1 little is known about the SP non-linear optical dynamics. The electron relaxation in Cu nanoparticles was recently studied with femtosecond pumpprobe spectroscopy.2 During the thermalization that follows the heating of the electron gas by the pump pulse, the relaxation was observed to exhibits a strong frequency dependence near the SP resonance.

© 1999 Optical Society of America

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