Optical Tweezing Inspires Low-Power, Less-Invasive Nanoscopic Trapping Method - IDEX Health & ScienceIDEX Health & Science

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    Optical Tweezing Inspires Low-Power, Less-Invasive Nanoscopic Trapping Method

    Article obtained from Photonics RSS Feed.

    Researchers from the University of Technology Sydney (UTS) have deployed the existing principles of optical tweezer technology, which enables the manipulation and assemblage of nanoparticles, as a base for a technique that allows them to manipulate particles possessing the same refractive properties as those of the background environment in a given setting. Optical tweezing relies on a difference in the refractive properties between trapped nanoparticles and the surrounding environment.

    The new method, shown as a proof of concept, involves doping nanocrystals with rare-earth metal ions and trapping the nanoparticles at low energy levels and with high levels of efficiency.

    “Traditionally, you need hundreds of milliwatts of…

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    Mar, 09 2021 |

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