Abstract
The development of a laser ultrasonic imaging technique for diagnostics of heterogeneous materials involves solving the inverse problem of ultrasound scattering. The paper describes the back-projection algorithm for the reconstruction of laser-ultrasonic images of inhomogeneous media. To demonstrate the capabilities of laser ultrasonic imaging, an experiment was carried out to reconstruct the image of an orifice 1 mm in diameter in a duralumin half-cylinder with a radius of 65 mm.
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Acknowledgements
This work was carried out with financial support from the Russian Science Foundation (grant no. 16-17-10181).
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Karabutov, A.A., Cherepetskaya, E.B., Bychkov, A.S., Morozov, N.A. (2017). Laser-Ultrasound Imaging for the Investigation of Heterogeneous Media. In: Kravcov, A., Cherepetskaya, E., Pospichal, V. (eds) Durability of Critical Infrastructure, Monitoring and Testing. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-10-3247-9_19
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DOI: https://doi.org/10.1007/978-981-10-3247-9_19
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