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Proceedings Paper

Effects of material properties on laser-induced bubble formation in absorbing liquids and on submerged targets
Author(s): HanQun Shangguan; Lee W. Casperson; Alan Shearin; Dennis L. Paisley; Scott A. Prahl
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Paper Abstract

Pulsed laser ablation of blood clots in a fluid-filled blood vessel is accomplished by an explosive evaporation process. The resulting vapor bubble rapidly expands and collapses to disrupt the thrombus (blood clot). The hydrodynamic pressures following the bubble expansion and collapse can also be used as a driving force to deliver clot-dissolving agents into thrombus for enhancement of laser thrombolysis. Thus, the laser-induced bubble formation plays an important role in the thrombus removal process. In this study the effects of material properties on laser-induced cavitation bubbles formed in liquids and on submerged targets have been visualized with a microsecond strobe or high speed framing camera.

Paper Details

Date Published: 28 May 1997
PDF: 9 pages
Proc. SPIE 2869, 22nd International Congress on High-Speed Photography and Photonics, (28 May 1997); doi: 10.1117/12.273417
Show Author Affiliations
HanQun Shangguan, Portland State Univ. and Oregon Medical Laser Ctr. (United States)
Lee W. Casperson, Portland State Univ. (United States)
Alan Shearin, Oregon Medical Laser Ctr. (United States)
Dennis L. Paisley, Los Alamos National Lab. (United States)
Scott A. Prahl, Oregon Medical Laser Ctr. and Oregon Health Sciences Univ. (United States)


Published in SPIE Proceedings Vol. 2869:
22nd International Congress on High-Speed Photography and Photonics
Dennis L. Paisley; ALan M. Frank, Editor(s)

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