Theoretical analysis of optical conveyor belt with plasmonic nanodisk array

Changhun Lee; Donghyun Kim

doi:10.1117/12.2268520

12 July 2017 Theoretical analysis of optical conveyor belt with plasmonic nanodisk array

Changhun Lee, Donghyun Kim

Author Affiliations +

Proceedings Volume 10324, International Conference on Nano-Bio Sensing, Imaging, and Spectroscopy 2017; 1032407 (2017) https://doi.org/10.1117/12.2268520
Event: International Conference on Nano-Bio Sensing, Imaging, and Spectroscopy 2017, 2017, Jeju, Korea, Republic of

Abstract

Plasmonic optical trapping allows trapping and manipulation of micro- and even nanometer-sized particles using localized and enhanced electric fields by plasmon resonance in metallic nanostructure. We consider an optical conveyor belt consisting of an array of nanodisks acting as optical tweezers with different sizes to implement a system to trap and manipulate particles through a laser-induced gradient force. An electric field induced and localized at each optical resonator is sensitive to the wavelength and polarization. The maximum electric field is enhanced at resonant wavelength depending on the shape and size of the plasmonic nanostructure used for light localization. By changing the light wavelength and polarization, the position of localized light induced in the disk can be determined and nanoparticles can be moved to a desired location through the variation of resonance conditions without any mechanical forces.

Citation Download Citation

Changhun Lee, Changhun Lee, Donghyun Kim, Donghyun Kim, } "Theoretical analysis of optical conveyor belt with plasmonic nanodisk array", Proc. SPIE 10324, International Conference on Nano-Bio Sensing, Imaging, and Spectroscopy 2017, 1032407 (12 July 2017); doi: 10.1117/12.2268520; https://doi.org/10.1117/12.2268520

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