Optical tweezers for large-scale 3D assembly of micro and nanoscale building blocks

Euan McLeod

doi:10.1117/12.2651026

17 March 2023 Optical tweezers for large-scale 3D assembly of micro and nanoscale building blocks

Euan McLeod

Proceedings Volume PC12412, Laser 3D Manufacturing X; PC124120P (2023) https://doi.org/10.1117/12.2651026
Event: SPIE LASE, 2023, San Francisco, California, United States

Abstract

Current 3D photonic device fabrication approaches can provide sub-wavelength feature sizes, but the ability to include multiple components at any desired location remains a challenge. Here we present an optical positioning and linking (OPAL) platform developed in our lab. It uses optical tweezers and biochemical linker molecules to create nanostructured photonic devices and 3D photonic metamaterials. We demonstrate the assembly of hundreds of microparticles into a 3D structure as well as discuss nanoscale processing speed and accuracy. We have applied OPAL to microtoroid optical resonator chemical gas sensors. Finally, we discuss novel nanophotonic design approaches tailored for compatibility with OPAL.

Conference Presentation

Citation Download Citation

Euan McLeod "Optical tweezers for large-scale 3D assembly of micro and nanoscale building blocks", Proc. SPIE PC12412, Laser 3D Manufacturing X, PC124120P (17 March 2023); https://doi.org/10.1117/12.2651026

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