Real-time interactive optical micromanipulation of a mixture of high-and low-index particles
We demonstrate real-time interactive optical micromanipulation of a colloidal mixture consisting of particles with both lower (nL < n0) and higher (nH > n0) refractive indices than that of the suspending medium (n0). Spherical high- and low-index particles are trapped in the transverse plane by an array of confining optical potentials created by trapping beams with top-hat and annular cross-sectional intensity profiles, respectively. The applied method offers extensive reconfigurability...[Show more]
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