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. (C) 2009 Optical Society of America
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Univ Hyderabad, Adv Ctr Res High Energy Mat, Hyderabad 500046, Andhra Pradesh, IndiaUniv Hyderabad, Adv Ctr Res High Energy Mat, Hyderabad 500046, Andhra Pradesh, India
Leela, Ch.
Bagchi, Suman
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Univ Hyderabad, Adv Ctr Res High Energy Mat, Hyderabad 500046, Andhra Pradesh, IndiaUniv Hyderabad, Adv Ctr Res High Energy Mat, Hyderabad 500046, Andhra Pradesh, India
Bagchi, Suman
Kumar, V. Rakesh
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Univ Hyderabad, Adv Ctr Res High Energy Mat, Hyderabad 500046, Andhra Pradesh, IndiaUniv Hyderabad, Adv Ctr Res High Energy Mat, Hyderabad 500046, Andhra Pradesh, India
Kumar, V. Rakesh
Tewari, Surya P.
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Univ Hyderabad, Adv Ctr Res High Energy Mat, Hyderabad 500046, Andhra Pradesh, IndiaUniv Hyderabad, Adv Ctr Res High Energy Mat, Hyderabad 500046, Andhra Pradesh, India
Tewari, Surya P.
Kiran, P. Prem
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Univ Hyderabad, Adv Ctr Res High Energy Mat, Hyderabad 500046, Andhra Pradesh, IndiaUniv Hyderabad, Adv Ctr Res High Energy Mat, Hyderabad 500046, Andhra Pradesh, India