Assembling nanoscale building blocks in 3D using optical tweezers

Jeffrey E. Melzer; Euan McLeod

doi:10.1117/12.2569040

21 August 2020 Assembling nanoscale building blocks in 3D using optical tweezers

Jeffrey E. Melzer, Euan McLeod

Proceedings Volume 11467, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XVII; 114671G (2020) https://doi.org/10.1117/12.2569040
Event: SPIE Nanoscience + Engineering, 2020, Online Only

Abstract

Improved 3D nanofabrication approaches could enable higher performance photonic devices. Existing approaches are limited in resolution, material compatibility, and/or the ability to fabricate complex geometries. Optical tweezers are attractive due to their ability to trap and position nanoscale objects of various materials with high precision. However, it is challenging to develop an automated platform that is robust and high-speed enough for rapid prototyping. Here we present such a system, discuss its positioning accuracy and speed, and, as a proof-of-concept, use it to assemble a light-guiding chain composed of biochemically functionalized 110 nm gold-silica nanoshells connected to a fluorescent nanoparticle.

Conference Presentation

Citation Download Citation

Jeffrey E. Melzer and Euan McLeod "Assembling nanoscale building blocks in 3D using optical tweezers", Proc. SPIE 11467, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XVII, 114671G (21 August 2020); https://doi.org/10.1117/12.2569040

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