Abstract
The instrumental complex described is intended for recording the velocity of motion of the surface of a sample under study exposed to impact-explosion loading in gas-dynamic investigations of properties of structural materials. The velocity is determined from the Doppler wavelength shift of reflected radiation of the probing laser measured by the interferometry method. A solid-state laser with a pulse duration of >50 μs, an average power of at least 50 W, and a system for controlling the resonator quality factor, which ensures radiation stabilization for maintaining an almost rectangular pulse shape, is used as the probing-radiation source.
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Original Russian Text © V.P. Andrianov, K.V. Bandurkin, S.A. Grigor’ev, A.E. Zakharov, G.N. Ignat’ev, O.N. Koltovoi, 2010, published in Pribory i Tekhnika Eksperimenta, 2010, No. 6, pp. 78–80.
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Andrianov, V.P., Bandurkin, K.V., Grigor’ev, S.A. et al. A laser interferometry instrumental complex for recording the velocity of moving surfaces in explosive experiments. Instrum Exp Tech 53, 846–848 (2010). https://doi.org/10.1134/S002044121006014X
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DOI: https://doi.org/10.1134/S002044121006014X