A critical microscopic engine in an optical tweezers
Date
2018
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Source Title
Latin America Optics and Photonics Conference
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Publisher
OSA
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Language
English
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Abstract
An optically trapped absorbing microsphere in a sub-critical mixture rotates around the optical trap thanks to diffusiophoretic propulsion, which can be controlled by adjusting the optical power, the temperature, and the criticality of the mixture.