Size-Scaling in Optical Trapping of Silicon Nanowires
Nano Letters2011Vol. 11(11), pp. 4879–4884
Citations Over TimeTop 10% of 2011 papers
Alessia Irrera, Pietro Artoni, Rosalba Saija, P. G. Gucciardi, Maria Antonia Iatı̀, F. Borghese, P. Denti, F. Iacona, F. Priolo, Onofrio M. Maragò
Abstract
We investigate size-scaling in optical trapping of ultrathin silicon nanowires showing how length regulates their Brownian dynamics, optical forces, and torques. Force and torque constants are measured on nanowires of different lengths through correlation function analysis of their tracking signals. Results are compared with a full electromagnetic theory of optical trapping developed in the transition matrix framework, finding good agreement.
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