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Optical Nanoantennas Enable Multipurpose Particle Manipulation

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URBANA, Ill., Jan. 16, 2012 — By tuning the properties of laser light illuminating arrays of metal nanoantennas, researchers have shown that these nanoscale structures enable dexterous optical tweezing and size-sorting of particles. In work conducted at the University of Illinois at Urbana-Champaign, assistant professor of mechanical science Kimani Toussaint Jr. and his research team have demonstrated for the first time the use of gold bowtie nanoantenna arrays (BNAs) for multipurpose optical trapping and manipulation of submicrometer- to micrometer-size objects. The study, which appeared in the journal Nano...Read full article

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    Published: January 2012
    Glossary
    optofluidics
    Optofluidics is an interdisciplinary field that combines principles from optics and fluidics to create devices and systems that integrate the manipulation of light and fluids. This field focuses on the interaction between light and fluidic materials, allowing for the development of innovative technologies with applications in areas such as sensing, imaging, and biotechnology. Key aspects of optofluidics include: Integration of optics and fluidics: Optofluidic devices are designed to...
    AmericasBasic ScienceBNABrian Roxworthygold bowtie nanoantenna arraysIllinoisKimani Toussaintnanoantennasoptical nanoantennasoptical trapping phase diagramsoptical tweezingOpticsOptofluidicsparticle manipulationResearch & TechnologyUniversity of Illinois

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