Revolution in 3D laser nanoprinting

A recent article in Nature Photonics (https://rdcu.be/cCgOO) demonstrates that it is possible to replace two-photon absorption in 3D nanoprinting by two-step absorption. The use of small and cheap laser diodes instead of expensive femtosecond lasers has the potential of revolutionizing 3D printing as was also discussed in the corresponding „news & views“ section (https://doi.org/10.1038/s41566-021-00911-x) of the same issue. The paper is the result of a collaboration in the framework of the cluster of excellence 3DMM2O (https://www.3dmattermadetoorder.kit.edu) between the lab of Martin Wegener (KIT) and the CAM groups of Eva Blasco and Rasmus Schröder.
See also the press releases of KIT and Universität Heidelberg:
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