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High speed synchronous position sensing and acousto-optic switching for optical tweezers applications

Reece, Peter; Toe, Wen Jun; Wang, Fan; Paiman, Suriati; Gao, Qiang; Tan, Hoe Hark; Jagadish, Chennupati


We describe a method for calibrating the absolute position of highly asymmetric objects relative to the trapping center using synchronous high speed position sensing and acouto-optic beam switching. This technique applied to study the Brownian dynamics of semiconductor nanowires with different dimensions in a polydispersed suspension.

CollectionsANU Research Publications
Date published: 2011
Type: Conference paper
Source: Optics InfoBase Conference Papers


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