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Multiphoton polymerisation creates 3D printed glass objects

Multiphoton polymerisation creates 3D printed glass objects

Written by Paul

January 13, 2021

Researchers have developed a laser-based process for 3D printing parts made of glass, an advance that could lead to complex optics for vision or laser-based applications.

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Researchers have developed a new laser-based process for 3D printing intricate parts made of glass using multiphoton polymerisation to create the object directly in a 3D volume (Image: Laurent Gallais, The Fresnel Institute and Ecole Centrale Marseille) According to research team leader Laurent Gallais from The Fresnel Institute and Ecole Centrale Marseille in France, the new process avoids the limitations of building an object in layers by using a laser beam to polymerise a liquid precursor into solid glass. 3D printing has potential to cut cost of optical silica fibres In The Optical Society (OSA) journal Optics Letters , Gallais and research team members Thomas Doualle and Jean-Claude Andre demonstrate how they used the new technique to create a variety of silica glass objects such as miniature models of a bike and the Eiffel Tower without any pores or cracks. The 3D printing approach is based on multiphoton polymerisation, which ensures that polymerisation takes place at the precise laser focal point. It allows direct fabrication of 3D parts that range in size from […]

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