Wind Energy Science
Wind Energy Science
WES
Articles | Volume 11, issue 2
Articles | Volume 11, issue 2
https://doi.org/10.5194/wes-11-693-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wes-11-693-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 11, issue 2
Research article
 | 
24 Feb 2026
Research article |  | 24 Feb 2026

Non-destructive sub-surface inspection of multi-layer wind turbine blade coatings by mid-infrared optical coherence tomography

Coraline Lapre, Christian Rosenberg Petersen, Per Nielsen, Thomas Wulf, Jakob Ilsted Bech, Søren Fæster, Ole Bang, and Niels Møller Israelsen

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Short summary

We present an optical volumetric scanner used to characterise the coating on wind turbine blades. Two samples were characterised: the first sample was used to define the maximum depth measurement, and the second imitated the usual manufacturing defect inside the coating. We also developed an algorithm to monitor the thickness of multiple coating layers, which is based on the scattering and absorption properties of the material.

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