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10 March 2020 Directed assembly of 3D nanophotonic systems from building blocks (Conference Presentation)
Euan McLeod, Jeffrey Melzer, Weilin Liu
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Proceedings Volume 11289, Photonic and Phononic Properties of Engineered Nanostructures X; 112890A (2020) https://doi.org/10.1117/12.2547085
Event: SPIE OPTO, 2020, San Francisco, California, United States
Abstract
Complex 3D nanophotonic devices demand robust methods for the design and rapid prototyping of heterogeneous material structures with sub-100 nm resolution. Here we present an automated optical tweezer platform for assembling nanoparticles of multiple materials. In pursuit of higher throughput, we have demonstrated record nanoparticle manipulation speeds >150 um/s. To design structures, we use a coupled dipole model that is orders of magnitude faster than commercial tools. In developing this method, we have found that a longstanding practice of basing a metallic nanoparticle’s dipole moment on its skin depth is significantly less accurate than calculations based on full particle volume.
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Euan McLeod, Jeffrey Melzer, and Weilin Liu "Directed assembly of 3D nanophotonic systems from building blocks (Conference Presentation)", Proc. SPIE 11289, Photonic and Phononic Properties of Engineered Nanostructures X, 112890A (10 March 2020); https://doi.org/10.1117/12.2547085
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KEYWORDS
Nanophotonics
Nanolithography
Nanoparticles
Optical spheres
Optical tweezers
Chemical elements
Custom fabrication
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