The nonlinear susceptibility of metal colloids due to light-induced motion of the constituent nanoparticles

S. V. Perminov, V. P. Drachev, V. P. Safonov, S. G. Rautian

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The present work analyzes the light-induced motion of the metal colloidal nanoparticles, aggregated into small clusters (≲ 10 monomers). Within the model of a viscous solvent the characteristic mechanical response time is found. The calculations in the approximation of the weakly-bound particles (that means, when the electromagnetic energy of the interacting induced dipole moments significantly exceeds the potentials of the other forces in colloidsteric, dispersion ones, etc.) show the value of the cubic nonlinearity to be χ(3) ∼ 10-10 esu and more, at the typical response time of ∼ 10-10 - 10-9 sec. Thus, the light-induced shift of the colloidal metal particles can produce a large optical nonlinearity of the colloids, at least for nanosecond light pulses.

Original languageEnglish
Title of host publication2003 European Quantum Electronics Conference, EQEC 2003
PublisherInstitute of Electrical and Electronics Engineers Inc.
Number of pages1
ISBN (Electronic)0780377338, 9780780377332
DOIs
Publication statusPublished - 2003
Externally publishedYes
EventEuropean Quantum Electronics Conference, EQEC 2003 - Munich, Germany
Duration: 22 Jun 200327 Jun 2003

Publication series

Name2003 European Quantum Electronics Conference, EQEC 2003

Conference

ConferenceEuropean Quantum Electronics Conference, EQEC 2003
Country/TerritoryGermany
CityMunich
Period22/06/0327/06/03

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