Research Papers

Single and double ultrashort laser pulse scattering by spheroidal metallic nanoparticles

[+] Author Affiliations
Petro M. Tomchuk

National Academy of Sciences of Ukraine, Institute for Physics, 46, Nauky Avenue, Kyiv, Ukraine 03680, Europe

Danylo Butenko

National Academy of Sciences of Ukraine, Institute for Physics, 46, Nauky Avenue, Kyiv, Ukraine 03680, Europe

National University of Kyiv-Mohyla Academy, 2, Skovorody Street, Kyiv, Ukraine 04070, Europe

J. Nanophoton. 10(1), 016018 (Mar 29, 2016). doi:10.1117/1.JNP.10.016018
History: Received October 21, 2015; Accepted March 8, 2016
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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.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Petro M. Tomchuk and Danylo Butenko
"Single and double ultrashort laser pulse scattering by spheroidal metallic nanoparticles", J. Nanophoton. 10(1), 016018 (Mar 29, 2016). ; http://dx.doi.org/10.1117/1.JNP.10.016018


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