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13 March 2024 Automated 3D microscale assembly using optical tweezers
Natalie Shultz, Euan McLeod
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Proceedings Volume PC12876, Laser 3D Manufacturing XI; PC1287604 (2024) https://doi.org/10.1117/12.3001034
Event: SPIE LASE, 2024, San Francisco, California, United States
Abstract
Our optical positioning and linking (OPAL) platform enables the assembly of complex 3D microstructures using optical tweezers and a biochemical linking mechanism. Advantages to OPAL include incorporating building blocks of different sizes and materials and augmentation of existing devices. Updates to system components and processes have improved the speed and accuracy of assembly. The collection of the backscattered signal using a quadrant photodiode permits classification of the number of trapped particles, which is used for automated assembly. The fully automated assembly will increase the efficiency of fabrication and is beneficial for rapid prototyping and producing larger, more complex structures.
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Natalie Shultz and Euan McLeod "Automated 3D microscale assembly using optical tweezers", Proc. SPIE PC12876, Laser 3D Manufacturing XI, PC1287604 (13 March 2024); https://doi.org/10.1117/12.3001034
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KEYWORDS
Optical tweezers
Optical coatings
Particles
Signal processing
Optics manufacturing
Photodiodes
Photonic devices
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