Near-field marking of gold nanostars by ultrashort pulsed laser irradiation: experiment and simulations

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Quantitative measurements of the electric near-field distribution of star-shaped gold nanoparticles have been performed by femtosecond laser ablation. Measurements were carried out on and off the plasmon resonance. A detailed comparison with numerical simulations of the electric fields is presented. Semi-quantitative agreement is found, with slight systematic differences between experimentally observed and simulated near-field patterns close to strong electric-field gradients. The deviations are attributed to carrier transport preceding ablation.

OriginalsprogEngelsk
Artikelnummer210
TidsskriftApplied Physics A: Materials Science & Processing
Vol/bind124
Nummer2
Antal sider7
ISSN0947-8396
DOI
StatusUdgivet - feb. 2018

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