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Proceedings Paper

Q-switched Nd:glass-laser-induced acoustic pulses in lithotripsy
Author(s): G. I. D'yakonov; B. A. Mikhailov; S. K. Pak; Ivan Alexandrov Shcherbakov; Valeri G. Andreev; O. V. Rudenko; A. V. Sapozhnikov
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Paper Abstract

This paper describes preliminary experimental data of kidney stone fragmentation by the laser induced shock acoustic pulses. Acoustic pulses were produced in a thin layer of liquid as a result of absorption process of 1.06 micrometers radiation pulses. The phosphate Nd:glass laser operated in a pulse Q-switched regime with the pulse energy up to 10 J and pulse duration $OM 30 ns. The pressure induced by acoustic pulses on stones surface was reached up to 1-2 kbar in focal area, that was sufficient for stone destruction.

Paper Details

Date Published: 1 July 1991
PDF: 3 pages
Proc. SPIE 1421, Lasers in Urology, Laparoscopy, and General Surgery, (1 July 1991); doi: 10.1117/12.43923
Show Author Affiliations
G. I. D'yakonov, General Physics Institute (Russia)
B. A. Mikhailov, General Physics Institute (Russia)
S. K. Pak, General Physics Institute (Russia)
Ivan Alexandrov Shcherbakov, General Physics Institute (Russia)
Valeri G. Andreev, Moscow State Univ. (Russia)
O. V. Rudenko, Moscow State Univ. (Russia)
A. V. Sapozhnikov, Moscow State Univ. (Russia)

Published in SPIE Proceedings Vol. 1421:
Lasers in Urology, Laparoscopy, and General Surgery
Graham M. Watson; Rudolf W. Steiner; Joseph J. Pietrafitta, Editor(s)

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