Features of vibroacoustic monitoring of pulsed laser operation

Sergey N. Grigoriev; Petr M. Pivkin; Ilya V. Minin; Thein Maung; Aleksander A. Zelensky; Marina A. Volosova; Mikhail P. Kozochkin

doi:10.1117/12.2588697

12 April 2021 Features of vibroacoustic monitoring of pulsed laser operation

Sergey N. Grigoriev, Petr M. Pivkin, Ilya V. Minin, Thein Maung, Aleksander A. Zelensky, Marina A. Volosova, Mikhail P. Kozochkin

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Proceedings Volume 11724, Laser Technology for Defense and Security XVI; 117240M (2021) https://doi.org/10.1117/12.2588697
Event: SPIE Defense + Commercial Sensing, 2021, Online Only

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Abstract

Today, industry is accelerating the use of laser technologies. Laser technologies are one of the areas of material machining with high-energy energy flows. This actualizes monitoring of the performance of laser technologies, because it creates the preconditions for similar research in other areas. In this article, we present the results of experiments that make it possible to determine relationships between the vibroacoustic signals accompanying the action of laser pulses on a workpiece, and the intensity and duration of individual pulses. Analysis of experimental data has lead to identification of the main mechanisms of the formation of wave processes in the workpiece exposed to laser pulses and became the foundation for assessing the role of sublimation processes. The results obtained in this work can be used to develop monitoring system of laser processing for use in automated control systems.

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Sergey N. Grigoriev, Petr M. Pivkin, Ilya V. Minin, Thein Maung, Aleksander A. Zelensky, Marina A. Volosova, and Mikhail P. Kozochkin "Features of vibroacoustic monitoring of pulsed laser operation", Proc. SPIE 11724, Laser Technology for Defense and Security XVI, 117240M (12 April 2021); https://doi.org/10.1117/12.2588697

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