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13 March 2024 Ultrafast laser-assisted manufacture of UV photochemical fused silica microchannel reactors for continuous-flow synthesis of vitamin D3
Jian Xu, Aodong Zhang, Ming Hu, Lingling Xia, Ya Cheng
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Proceedings Volume PC12873, Laser-based Micro- and Nanoprocessing XVIII; PC1287301 (2024) https://doi.org/10.1117/12.3001235
Event: SPIE LASE, 2024, San Francisco, California, United States
Abstract
We propose a hybrid laser microfabrication approach for the manufacture of UV photochemical fused silica microchannel reactors using ultrafast laser-assisted etching combined with carbon dioxide laser irradiation. The manufactured glass microchannel reactors not only enable high transmission rates of multi-wavelength UV light irradiation but also allow micro-flow high-pressure and high-temperature intensification. As a proof-of-concept of this approach, one-step continuous-flow synthesis of vitamin D3 in the manufactured reactors is demonstrated.
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Jian Xu, Aodong Zhang, Ming Hu, Lingling Xia, and Ya Cheng "Ultrafast laser-assisted manufacture of UV photochemical fused silica microchannel reactors for continuous-flow synthesis of vitamin D3", Proc. SPIE PC12873, Laser-based Micro- and Nanoprocessing XVIII, PC1287301 (13 March 2024); https://doi.org/10.1117/12.3001235
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KEYWORDS
Silica
Ultrafast phenomena
Glasses
Manufacturing
Etching
Laser manufacturing
Ultraviolet radiation
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