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Optically driven lobed micropump. (a) Schematic diagram of the lobed micropump driven by the time-divided laser scanning of a single laser beam. (b) Fluid transport by optically rotating two rotors.
Scanning electron microscopic image of a prototype of the lobed micropump.
Optical microscopic images of rotors with different center distances. (a) Center distance: , (b) center distance: , and (c) center distance: .
Sequential images taken while driving the optically driven micropump.
(Color online) Dependence of the velocity of the tracer particle on the rotational speed of the rotors.
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