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13 March 2024 Quantitative phase imaging for volumetric additive manufacturing
Dongping Terrel-Perez, Johanna Schwartz, Martin De Beer
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Proceedings Volume PC12898, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XVII; PC128980K (2024) https://doi.org/10.1117/12.3008523
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
In-situ monitoring and characterization systems play a pivotal role in advancing the state of the art in manufacturing and the associated qualification of processes and materials. Here we present a highly sensitive optical imaging method based on quantitative phase imaging for in-situ monitoring the tomographic volumetric additive manufacturing process. The proposed method can visualize the manufacturing process with higher sensitivity and contrast for materials with low refractive index change after polymerization. The information provided by quantitative phase imaging system will be useful for quantifying the underlying material properties and optimizing the polymerization process.
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Dongping Terrel-Perez, Johanna Schwartz, and Martin De Beer "Quantitative phase imaging for volumetric additive manufacturing", Proc. SPIE PC12898, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XVII, PC128980K (13 March 2024); https://doi.org/10.1117/12.3008523
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KEYWORDS
Additive manufacturing
Phase imaging
Printing
Materials properties
Polymerization
Process control
Phase interferometry
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