Plasma-mediated photothermal effects in ultrafast laser irradiation of gold nanoparticle dimers in water.

Abstract

The intention of this paper is to study the physical mechanism underlying the response of gold nanoparticle (AuNP) dimers to a near-infrared off-resonance femtosecond pulse laser in aqueous medium. We show that the strongly localized field enhancement in the gap distance and around nanoparticles significantly reduces the laser fluence threshold to achieve… (More)
DOI: 10.1364/OE.23.001967

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