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17 March 2023 Optical tweezers for large-scale 3D assembly of micro and nanoscale building blocks
Euan McLeod
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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.
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© (2023) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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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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KEYWORDS
Optical tweezers
Particles
Additive manufacturing
Optics manufacturing
Photonic devices
Optical resonators
Photonic metamaterials
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