Reece, PeterToe, Wen JunWang, FanPaiman, SuriatiGao, QiangJagadish, ChennupatiTan, Hark Hoe2015-12-102015-12-10April 4-69781557529091http://hdl.handle.net/1885/63590We 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.20112015-12-10