Simulations of shock waves and cavitation bubbles produced in water by picosecond and nanosecond laser pulses

Richard J. Scammon; Edward J. Chapyak; Robert P. Godwin; Alfred Vogel

doi:10.1117/12.308173

13 May 1998 Simulations of shock waves and cavitation bubbles produced in water by picosecond and nanosecond laser pulses

Richard J. Scammon, Edward J. Chapyak, Robert P. Godwin, Alfred Vogel

Author Affiliations +

Proceedings Volume 3254, Laser-Tissue Interaction IX; (1998) https://doi.org/10.1117/12.308173
Event: BiOS '98 International Biomedical Optics Symposium, 1998, San Jose, CA, United States

Abstract

We compare numerical simulations of bubble dynamics in water with experiments performed at the Medizineisches Laserzentrum Lubeck. Spatial and temporal features of the laser beam were modeled. Plasma growth was predicted using a moving breakdown model. We compare the measured and calculated positions of the shock front and the bubble wall as a function of time after optical breakdown in water. Nd:YAG laser pulses of 30-ps 1-mJ and 6-ns 10-mJ were simulated. We have extended previous work in which picosecond deposition was modeled at temporally instantaneous and spatially uniform.

Citation Download Citation

Richard J. Scammon, Edward J. Chapyak, Robert P. Godwin, and Alfred Vogel "Simulations of shock waves and cavitation bubbles produced in water by picosecond and nanosecond laser pulses", Proc. SPIE 3254, Laser-Tissue Interaction IX, (13 May 1998); https://doi.org/10.1117/12.308173

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