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5 March 2021 Large area multi-material-multi-photon 3D printing with fast in-situ material replacement
Yuan Gao, Souha Toukabri, Ye Yu, Andreas Richter, Robert Kirchner
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Proceedings Volume 11677, Laser 3D Manufacturing VIII; 116770G (2021) https://doi.org/10.1117/12.2583487
Event: SPIE LASE, 2021, Online Only
Abstract
Multi-photon laser-lithography has become a versatile technology for writing complex 3D structures in high-resolution. Most efforts are focusing on single material printing. To realize multi-material printing, two main steps have to be carried out consecutively: developing the previous material and introducing the next material to the print side. So far, this is done ex-situ, and alignment errors are unavoidable. In this work, a fast in situ material exchange is demonstrated. The designed setup can effectively replace the print material in the optical focus, enabling the writing of detailed 3D structures while conserving efficiency and precision.
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Yuan Gao, Souha Toukabri, Ye Yu, Andreas Richter, and Robert Kirchner "Large area multi-material-multi-photon 3D printing with fast in-situ material replacement", Proc. SPIE 11677, Laser 3D Manufacturing VIII, 116770G (5 March 2021); https://doi.org/10.1117/12.2583487
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KEYWORDS
3D printing
Printing
Fluid dynamics
Laser applications
Microfluidics
Photonic nanostructures
Two photon polymerization
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