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How Photonics technology is improving 3D printing?

Photon upconversion

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Photonics technology is enhancing 3D printing by enabling high-resolution additive manufacturing with improved speed and precision. Techniques like two-photon polymerization (TPP) and upconversion nanoparticles (UCNPs) utilize light-based approaches for printing complex objects with resolutions as fine as 100 nm. Additionally, multi-photon lithography allows for ultra-precise optical 3D printing, facilitating the creation of free-form geometries and miniature optical elements. Integrated photonics further advances 3D printing by producing high-precision optical components aligned within a single fabrication process, eliminating the need for extra alignment steps. Inkjet printing of polymer-based optical components also contributes to the manufacturing of optics, especially micro-optics, at competitive speeds. These advancements collectively drive the evolution of 3D printing towards faster, more precise, and versatile manufacturing capabilities.

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Open access•Posted Content•DOI Multi-photon polymerization using upconversion nanoparticles for tunable feature-size printing 02 Nov 2022 1 Citations	Photonics technology, specifically using upconversion nanoparticles, enables tunable feature-size printing in 3D through multi-photon polymerization, enhancing resolution and speed with cost-effective light sources.
Other•DOI 3D Printing of Optics None Vundavalli V Murty 11 Aug 2022	Photonics technology enhances 3D printing by enabling inkjet printing of polymer-based 3D optics, creating optical components with suitable optical properties and viscosity for illumination and imaging applications.
Open access•Journal Article•DOI Micro‐Optics 3D Printed via Multi‐Photon Laser Lithography (Advanced Optical Materials 1/2023) 01 Jan 2023-Advanced Optical Materials	Photonics technology enhances 3D printing via multi-photon laser lithography, enabling precise additive manufacturing of intricate optical components with diverse materials and functions, including diffractive, refractive, and polarizing elements.
Proceedings Article•DOI 3D printing of glass micro-devices for integrated photonics and miniaturized optics Andrea Lovera, M. Orso Giacone, Cesare G. E. Alfieri, Enrico Casamenti, Rolando Ferrini - Show less +4 more 17 Mar 2023	Photonics technology enhances 3D printing by enabling high-precision fabrication of glass micro-devices for integrated photonics, eliminating the need for extra alignment and achieving sub-micron positioning accuracy.

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