Optical manipulation for studies of collisional dynamics of micron-sized droplets under gravity
M. Ivanov,
K. Chang,
I. Galinskiy
et al.
Abstract:A new experimental technique for creating and imaging collisions of micron-sized droplets settling under gravity is presented. A pair of glycerol droplets is suspended in air by means of two optical traps. The droplet relative velocities are determined by the droplet sizes. The impact parameter is precisely controlled by positioning the droplets using the two optical traps. The droplets are released by turning off the trapping light using electro-optical modulators. The motion of the sedimenting droplets is th… Show more
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