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Title: Optical observation of shock waves and cavitation bubbles in high intensity laser-induced shock processes

Journal Article · · Applied Optics
DOI:https://doi.org/10.1364/AO.48.003671· OSTI ID:22036386

We report an experimental study of the temporal and spatial dynamics of shock waves, cavitation bubbles, and sound waves generated in water during laser shock processing by single Nd:YAG laser pulses of nanosecond duration. A fast ICCD camera (2 ns gate time) was employed to record false schlieren photographs, schlieren photographs, and Mach-Zehnder interferograms of the zone surrounding the laser spot site on the target, an aluminum alloy sample. We recorded hemispherical shock fronts, cylindrical shock fronts, plane shock fronts, cavitation bubbles, and phase disturbance tracks.

OSTI ID:
22036386
Journal Information:
Applied Optics, Vol. 48, Issue 19; Other Information: (c) 2009 Optical Society of America; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6935
Country of Publication:
United States
Language:
English