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13 March 2024 Single-photon-assisted two-photon polymerization
Buse Ünlü, Maria Isabel Álvarez-Castaño, Antoine Boniface, Ye Pu, Christophe Moser
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Proceedings Volume PC12898, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XVII; PC1289806 (2024) https://doi.org/10.1117/12.3002287
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
Single- and two-photon absorption are prominent additive manufacturing methods used in 3D light-based printing through polymerization. We propose the dual use of these methods simultaneously to speed up the printing process while maintaining high resolution. We show a blue light-sheet implementation to assist the polymerization by a femtosecond laser. The light-sheet speeds up the printing considerably by reducing the threshold as well as yielding good optical sectioning, and 2PP provides precise and complex structures in micro- and nanometer scales with high resolution. This method offers new possibilities for printing high-resolution 3D structures with a significant improvement in voxel printing speed.
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Buse Ünlü, Maria Isabel Álvarez-Castaño, Antoine Boniface, Ye Pu, and Christophe Moser "Single-photon-assisted two-photon polymerization", Proc. SPIE PC12898, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XVII, PC1289806 (13 March 2024); https://doi.org/10.1117/12.3002287
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KEYWORDS
Printing
Two photon polymerization
3D printing
Polymerization
Beam path
Light absorption
Light sources
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