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

Proceedings

Thizy, Cédric¹  Vandenrijt, Jean-François²  Languy, Fabian³ 

[1]Author to whom correspondence should be addressed.

[2]Centre Spatial de Liège, STAR Research Unit, Liège Université, 4031 Angleur, Belgium

[3]Presented at the 18th International Conference on Experimental Mechanics (ICEM18), Brussels, Belgium, 1–5 July 2018

关键词: digital holography;    long-wave infrared;    space testing;   

DOI  :  10.3390/ICEM18-05430

学科分类：社会科学、人文和艺术（综合）

来源: mdpi

【 摘 要 】

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.

【 授权许可】

CC BY