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Proceedings Paper

Detection of calcified plaques before generation of laser-induced shockwaves: dye laser, alexandrite laser
Author(s): M. Scheu; Ralf Engelhardt; Jan H. Goethlin
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Paper Abstract

We investigated the possibility to use the intensity of the time resolved laser induced fluorescence signal (LIF) to discriminate between normal intima and calcified lesions by use of a pulsed dye laser (495 nm, 590 nm) and an alexandrite laser (750 nm). Experiments were performed for 83 specimens consisting of normal intima, fibro-fatty plaques, yellow--white calcified and dark hemmorhagic calcified plaques. At 495 nm an obvious intensity discrimination level was found, 39 of 40 calcified plaques were correctly classified.

Paper Details

Date Published: 1 July 1990
PDF: 8 pages
Proc. SPIE 1201, Optical Fibers in Medicine V, (1 July 1990); doi: 10.1117/12.17514
Show Author Affiliations
M. Scheu, Medizinisches Laserzentrum Luebeck GmbH (Germany)
Ralf Engelhardt, Medizinisches Laserzentrum Luebeck GmbH (Germany)
Jan H. Goethlin, Univ. Hospital (Sweden)

Published in SPIE Proceedings Vol. 1201:
Optical Fibers in Medicine V
Abraham Katzir, Editor(s)

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