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

doi:10.1117/12.2577158

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

Author Affiliations +

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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