2 April 2004 Shock waves and cavitation bubbles in water and isooctane generated by Nd:YAG laser: experimental and theoretical results
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Proceedings Volume 5399, Laser-Assisted Micro- and Nanotechnologies 2003; (2004) https://doi.org/10.1117/12.552976
Event: Laser-Assisted Micro- and Nanotechnologies 2003, 2003, St. Petersburg, Russian Federation
Abstract
Temporal evolution of laser generated cavitation bubbles and shock waves were studied. Q-switched Nd-Yag laser pulses at 1064 nm are focused into the liquid. An Imager 3 CCD camera with multi exposure mode allows recording of 10 images with minimal exposure delay of 100 ns and minimal exposure time of 100 ns. Illumination is provided by xenon flash lamp for single exposure (shock wave recording) and by halogen lamp for multi exposure mode (bubble recording). Distilled water and a retrograde fluid, isooctane, have been under investigation to identify the differences in the cavitation process and shock wave propagation. The calculation of the shock wave velocities in water and isooctane are based on image recording at constant exposure time of 100 ns and using laser differential interferometry. Strong differences of bubble oscillation were observed in water and isooctane. Gilmore's model is used for numerical simulation of bubble dynamics.
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Milos Muller, Milos Muller, Walter Garen, Walter Garen, Sandra Koch, Sandra Koch, Frantisek Marsik, Frantisek Marsik, Walter Neu, Walter Neu, Eduado Saburov, Eduado Saburov, } "Shock waves and cavitation bubbles in water and isooctane generated by Nd:YAG laser: experimental and theoretical results", Proc. SPIE 5399, Laser-Assisted Micro- and Nanotechnologies 2003, (2 April 2004); doi: 10.1117/12.552976; https://doi.org/10.1117/12.552976
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