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Probing the acoustic vibrations of single metal nanoparticles by ultrashort laser pulses
Author(s) -
Tchebotareva A.L.,
Ruijgrok P.V.,
Zijlstra P.,
Orrit M.
Publication year - 2010
Publication title -
laser and photonics reviews
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.778
H-Index - 116
eISSN - 1863-8899
pISSN - 1863-8880
DOI - 10.1002/lpor.200910034
Subject(s) - materials science , nanoparticle , excitation , vibration , laser , rod , excited state , ultrashort pulse , optics , spheres , metal , nanotechnology , optoelectronics , acoustics , physics , atomic physics , medicine , alternative medicine , pathology , quantum mechanics , astronomy , metallurgy
The strong interaction of metal nanoparticles with light makes it possible to detect individual particles by far‐field optical methods. In this article, the interaction of a metal nanoparticle with a short laser pulse is discussed, with the emphasis on the coherent excitation of mechanical (acoustic) modes and the optical detection of these vibrations. The literature on acoustic vibrations of single metal nanoparticles of different shapes (spheres, dumbbells, rods, cubes, wires, prisms) is reviewed, and the modes that have been excited and detected in these particles are discussed. Finally, the insights and potential applications enabled by these studies are summarized.