Electrically controlled plasmonic conveyor belt network for optical trapping and manipulation of nanoscale objects

Peter Qiang Liu; Puspita Paul

doi:10.1117/12.2634343

3 October 2022 Electrically controlled plasmonic conveyor belt network for optical trapping and manipulation of nanoscale objects

Peter Qiang Liu, Puspita Paul

Author Affiliations +

Proceedings Volume PC12198, Optical Trapping and Optical Micromanipulation XIX; PC1219815 (2022) https://doi.org/10.1117/12.2634343
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States

Abstract

We show that graphene nanoribbons (GNR) with tunable mid-infrared (MIR) plasmonic resonances can be utilized to form an electrically controlled plasmonic conveyor belt network to simultaneously and independently trap and transport multiple nanoscale objects with high performance. Furthermore, such a GNR plasmonic conveyor belt network can induce tunable bipolar (i.e., trapping or repulsive) optical gradient forces on nanoscale objects made of materials with strong permittivity dispersions in the MIR spectral region. The tunable bipolar optical forces can be exploited to achieve selective filtering, sorting and fractionation of nanoscale objects in a mixture based on their material compositions and/or microscopic structures.

Conference Presentation

Citation Download Citation

Peter Qiang Liu and Puspita Paul "Electrically controlled plasmonic conveyor belt network for optical trapping and manipulation of nanoscale objects", Proc. SPIE PC12198, Optical Trapping and Optical Micromanipulation XIX, PC1219815 (3 October 2022); https://doi.org/10.1117/12.2634343

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