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Plasmonic phenomena induce a highly concentrated electric field in small areas, manipulating the dynamic of microscopic objects. We report on a plasmonic structure that modulates the electric field by generating the propulsive motion of the nanoparticles. The system consists of two gold scalene trapezoids forming a planar V-groove. The designed geometrical configuration is suitable for an array configuration (circular or linear arrangement) that amplifies the output velocities of nanoparticles. The optical forces induced by the system enable the displacement of macroscopic objects with interesting applications in the biomedical and aerospace fields.
Conference Presentation
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Sergio Balestrieri, Giuseppe Coppola, Mario Iodice, Gianluigi Zito, "Plasmonic nanodevice for nanoparticle optical propulsion," Proc. SPIE PC12991, Nanophotonics X, PC1299105 (11 June 2024); https://doi.org/10.1117/12.3017128