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Proceedings Paper

New tunable flashlamp-pumped solid state Ti:sapphire laser for laser lithotripsy
Author(s): Zhi Xing Jiang; V. Giannetas; Andrew Charlton; Terence A. King
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Paper Abstract

Laser pulses from a flashlamp pumped, solid state Ti:sapphire laser (Vuman, free running untuned wavelength 792 nm, 2 microseconds pulse width and up to 240 mJ pulse energy) have been successfully and efficiently coupled into thin optical fibers. The coupling efficiency can be up to 67% for 300 micron and 43% for 200 micron core diameter optical fibers. With these two optical fibers in vitro laser lithotripsy has been performed successfully on various human calculi including gall bladder, kidney, ureter and salivary duct stones. The bright white flash of the induced plasma emission, strong shock waves, fiber recoil and stone propulsion and the splattering of the stone chips have been observed during the calculi fragmentation.

Paper Details

Date Published: 28 May 1993
PDF: 9 pages
Proc. SPIE 1879, Lasers in Urology, Gynecology, and General Surgery, (28 May 1993); doi: 10.1117/12.146234
Show Author Affiliations
Zhi Xing Jiang, Univ. of Manchester (United Kingdom)
V. Giannetas, Univ. of Patras (Greece)
Andrew Charlton, Vuman Lasers (United Kingdom)
Terence A. King, Univ. of Manchester (United Kingdom)

Published in SPIE Proceedings Vol. 1879:
Lasers in Urology, Gynecology, and General Surgery
Christopher J. Daly M.D.; Warren S. Grundfest M.D.; Douglas E. Johnson M.D.; Raymond J. Lanzafame M.D.; Rudolf W. Steiner; Yona Tadir M.D.; Graham M. Watson M.D., Editor(s)

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