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Proceedings Paper

Temporal shape of high-irradiance pulse influence on biological tissue disruption
Author(s): Ludmila V. Chernyshova; Ruslan V. Smirnov
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Paper Abstract

In present work an analysis of the existing experimental data has been carried out on the ablation of biological tissue (skin, cornea, bone) under high-irradiance laser beam ~109W/cm2 at different wavelengths λ = 0.266, 0.532, 1,064, 2.7, 2.8, 2.9 μm. Comparison of the dependence of the ablation threshold values versus the intensity and wavelength of the single incident pulse to the data obtained in experiments on hgih power pulses interaction with organic low-density targets of agar-agar allows to reveal some common mechanisms. For the above threshold intensities, the temporal pulse shape becomes decisive and together with tissue transmittacne at a definite wavelength determines the depth and character of tissue disruption and may be changed according to therapeutic destination.

Paper Details

Date Published: 27 August 2003
PDF: 9 pages
Proc. SPIE 4961, Laser-Tissue Interaction XIV, (27 August 2003); doi: 10.1117/12.477649
Show Author Affiliations
Ludmila V. Chernyshova, Troitsk Institute for Innovation and Fusion Research (Russia)
Ruslan V. Smirnov, Troitsk Institute for Innovation and Fusion Research (Russia)


Published in SPIE Proceedings Vol. 4961:
Laser-Tissue Interaction XIV
Donald Dean Duncan; Sean J. Kirkpatrick; Andres Kriete; Steven L. Jacques, Editor(s)

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