Efficient optical trapping and visualization of silver nanoparticles

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Lana Bosanac, Thomas Aabo, Pól Martin Bendix, Lene Broeng Oddershede

We performed efficient optical trapping combined with sensitive optical detection of individual silver nanoparticles. The particles ranging in size from 20 to 275 nm in diameter were trapped in three dimensions using low laser power by minimizing spherical aberrations at the focus. The optical forces were quantified, and we found that the larger the particle, the stronger the optical force. The particles were imaged by an additional strongly scattered laser.
TidsskriftNano Letters
Udgave nummer5
Sider (fra-til)1486-1491
Antal sider6
StatusUdgivet - 2008

ID: 8415828