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Proceedings 2018, 2(8), 534; https://doi.org/10.3390/ICEM18-05430

Digital Holographic Interferometry in the Long-Wave Infrared Range for Measuring Large Deformations of Space Components under Thermal-Vacuum Testing

Centre Spatial de Liège, STAR Research Unit, Liège Université, 4031 Angleur, Belgium
Presented at the 18th International Conference on Experimental Mechanics (ICEM18), Brussels, Belgium, 1–5 July 2018.
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Published: 9 July 2018
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Abstract

Holographic interferometry at around 10 µm wavelengths has many advantages. It offers the possibility of large deformation measurement, while being much less sensitive to external perturbations. We present the state-of-the art of this technique applied to several industrial cases of the space industry. In particular, we demonstrate that the technique is well adapted to measurement of full-field deformation maps of space structures undergoing large temperature variations typical to what they experience in space conditions.
Keywords: digital holography; long-wave infrared; space testing digital holography; long-wave infrared; space testing
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Vandenrijt, J.-F.; Thizy, C.; Languy, F.; Georges, M. Digital Holographic Interferometry in the Long-Wave Infrared Range for Measuring Large Deformations of Space Components under Thermal-Vacuum Testing. Proceedings 2018, 2, 534.

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