Abstract
Laser irradiation of biological tissue with short UV-pulses (pulse width Δτ = 30 ns, wavelength λ = 308 nm) generates acoustical transients, which propagate as well into the surrounding medium as through the tissue. A fiber guided XeCl excimer laser has been used to perform ablation of different tissue samples at fluences below and above ablation threshold. Tissue samples have been immersed in water or saline solution. The amplitude and profiles of the resulting acoustical and shock waves have been recorded as a function of laser fluence using a pressure transducer in combination with a digital storing oscilloscope (cf. Figure).
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References
M.B. Preisack, W. Neu, R. Nyga, M. Wehrmann, K.K. Haase, K.R. Karsch: Ultrafast imaging of tissue ablation by a XeCl excimer laser in saline. Lasers Surg. Med. 12, 520 (1992)
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© 1994 Springer-Verlag Berlin Heidelberg
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Esenaliev, R.O., Jahn, R., Letokhov, V.S., Neu, W., Nyga, R., Tschirner, B. (1994). Mechanical and Acoustic Effects Induced by Laser Ablation of Biological Tissue. In: Waidelich, W., Waidelich, R., Hofstetter, A. (eds) Laser in der Medizin / Laser in Medicine. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-93548-0_67
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DOI: https://doi.org/10.1007/978-3-642-93548-0_67
Publisher Name: Springer, Berlin, Heidelberg
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