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1 CPMOH - Centre de physique moléculaire optique et hertzienne

Abstract : We used thermocapillary stresses induced locally by laser on flowing drops to build high throughput drop switchers and sorters for digital microfluidics. Since the laser is disconnected to the chip, the method does not require dedicated micropatterning. We show switching efficiencies of 100% for drop velocities up to 1.3 cms, demonstrate the involved mechanism and apply laser switching for sorting droplets of different nature for lab-on-a-chip applications.

Autor: Matthieu Robert de Saint Vincent - Régis Wunenburger - Jean-Pierre Delville -



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