Non-destructive testing of composite materials using terahertz time-domain spectroscopy

Egor V. Yakovlev; Kirill I. Zaytsev; Nikita V. Chernomyrdin; Arsenii A. Gavdush; Arsen K. Zotov; Maxim Y. Nikonovich; Stanislav O. Yurchenko

doi:10.1117/12.2227321

29 April 2016 Non-destructive testing of composite materials using terahertz time-domain spectroscopy

Egor V. Yakovlev, Kirill I. Zaytsev, Nikita V. Chernomyrdin, Arsenii A. Gavdush, Arsen K. Zotov, Maxim Y. Nikonovich, Stanislav O. Yurchenko

Author Affiliations +

Proceedings Volume 9899, Optical Sensing and Detection IV; 98990W (2016) https://doi.org/10.1117/12.2227321
Event: SPIE Photonics Europe, 2016, Brussels, Belgium

Abstract

Development of novel methods for non-destructive evaluation of composite materials (CMs) at manufacturing and operational stages remains challenging problem of applied physics, optics and material science. In this paper, we have considered the ability to use the terahertz (THz) time-domain spectroscopy (TDS) for non-destructive evaluation of CMs. By combining the TDS technique with appropriate methods of solving the inverse ill-posed problems, we have shown that TDS could be applied for CM testing. At first, we have demonstrated that TDS could be used to control the polymerization process and, as a consequence, the CM binder curing. Secondary, we have shown the ability to detect the internal defects (non-impregnated voids) inside the CMs via the TDS-based THz time-of-flight tomography. Thereby, the results of our study allow highlighting the prospective of non-destructive evaluation of CMs using the TDS.

Citation Download Citation

Egor V. Yakovlev, Kirill I. Zaytsev, Nikita V. Chernomyrdin, Arsenii A. Gavdush, Arsen K. Zotov, Maxim Y. Nikonovich, and Stanislav O. Yurchenko "Non-destructive testing of composite materials using terahertz time-domain spectroscopy", Proc. SPIE 9899, Optical Sensing and Detection IV, 98990W (29 April 2016); https://doi.org/10.1117/12.2227321

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