Single and double ultrashort laser pulse scattering by spheroidal metallic nanoparticles

Petro Tomchuk; Danylo Butenko

doi:10.1117/1.JNP.10.016018

29 March 2016 Single and double ultrashort laser pulse scattering by spheroidal metallic nanoparticles

Petro Tomchuk, Danylo Butenko

Author Affiliations +

Journal of Nanophotonics, Vol. 10, Issue 1, 016018 (March 2016). https://doi.org/10.1117/1.JNP.10.016018

Abstract

The theory of the ultrashort laser pulse scattered by metallic nanoparticles in the region of surface plasmon resonances is developed in the framework of kinetic approach. For the spheroidal particles, dependence of the light-scattering cross-section on the shape of the particles, the carrier wave frequency, a pulse duration, and other factors is studied. Additionally, an interaction of small metallic particles with double ultrashort pulse is considered. In this case, the energy scattered by the particles demonstrates oscillating behavior when the time delay between pulses changes. Special attention is paid to the contribution of the particle’s surface when the particle’s size is close to the length of free electron path. The difference between the kinetic approach and Mie theory for nonspherical particles has been shown.

Citation Download Citation

Petro Tomchuk and Danylo Butenko "Single and double ultrashort laser pulse scattering by spheroidal metallic nanoparticles," Journal of Nanophotonics 10(1), 016018 (29 March 2016). https://doi.org/10.1117/1.JNP.10.016018

Published: 29 March 2016

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