Mechanisms Of Laser-Induced Stone Ablation
- 10 March 1987
- proceedings article
- Published by SPIE-Intl Soc Optical Eng
- Vol. 0712, 161-165
- https://doi.org/10.1117/12.937334
Abstract
Pulsed-dye-laser fragmentation of biliary and urinary calculi is associated with a bright flash, an acoustic transient and material removal. Time-resolved spectroscopic studies of the flash have demonstrated the presence of a plasma when fragmentation occurs. A model is proposed in which the plasma absorbs the optical energy of the laser, and expands, and generates mechanical forces that fragment the stone.Keywords
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