Scientific Results

Image diagnostics of shock-wave effects during excimer laser ablation of tissue

Year: 1994

Authors: Siano S., Pini R., Salimbeni R., Vannini M.

Autors Affiliation: Istituto di Electronica Quantistica, Firenze, Italy

Abstract: A time resolved diagnostic system based on a pump and probe scheme is designed to obtain a direct visualization of the shock-wave during excimer laser irradiation on organic tissue and derive quantitative informations about the main parameters involved in the photoacoustic process. The methods of plasma physics, as the model of \’strong explosion\’, was used to analyze the shock wave evolution at different time delays. The analysis provided quantitative data about the speed, the local density and pressure on the shock front, and the temperature distribution.

Conference title:

More Information: – Optical Society of America; IEEE/Lasers and Electro-Optics Society; European Physical Society
KeyWords: Ablation; Excimer lasers; Focusing; Image processing; Laser beams; Laser pulses; Medical applications; Optical pumping; Plasma applications; Shock waves; Temperature distribution; Tissue, Image diagnostics; Shock wave effects, Laser diagnostics
DOI: 10000000000

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