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5 March 2021 Multi-focus multi-photon 3D printing of microstructured chiral mechanical metamaterials with large characteristic length
Tobias Frenzel, Vincent Hahn, Patrick Ziemke, Jonathan L. G. Schneider, Yi Chen, Pascal Kiefer, Peter Gumbsch, Martin Wegener
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Proceedings Volume 11677, Laser 3D Manufacturing VIII; 116770H (2021) https://doi.org/10.1117/12.2577158
Event: SPIE LASE, 2021, Online Only
Abstract
At Photonics West 2020, we reported progress on rapid multi-focus multi-photon 3D laser printing, enabling printing rates of up to ten million voxels/s at voxel sizes of about 400 nm (mean of lateral and axial extent). Meanwhile, we have refined and improved this setup. Here, we present three-dimensional chiral mechanical metamaterials with tailorable characteristic length as a scientific application. The characteristic length is as large as 10 unit cells. The largest 3D printed samples have a side length of 27 unit cells, corresponding to 118,098 unit cells total. Our experimental findings are in good qualitative agreement with modeling.
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Tobias Frenzel, Vincent Hahn, Patrick Ziemke, Jonathan L. G. Schneider, Yi Chen, Pascal Kiefer, Peter Gumbsch, and Martin Wegener "Multi-focus multi-photon 3D printing of microstructured chiral mechanical metamaterials with large characteristic length", Proc. SPIE 11677, Laser 3D Manufacturing VIII, 116770H (5 March 2021); https://doi.org/10.1117/12.2577158
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KEYWORDS
3D printing
Metamaterials
3D modeling
Nonimpact printing
Printing
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