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Proceedings Paper

Experimental and theoretical investigations on threshold parameters of laser-induced optical breakdown on tissues
Author(s): Frieder H. Loesel; Markolf H. Niemz; Christopher Horvath; Tibor Juhasz; Josef F. Bille
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Paper Abstract

The dependence of the fluence at the threshold of laser- induced optical breakdown on the laser pulse duration has been investigated experimentally and theoretically for human cornea, human enamel, and bovine brain tissue. For the experiments in the range from 100 fs to 200 ps, we used a femtosecond dye laser system and a picosecond Nd:YLF laser system. We observed a significant decrease of the fluence at the threshold when reducing the pulse duration. The measured dependence on the pulse duration is in good agrement with our model.

Paper Details

Date Published: 5 December 1996
PDF: 9 pages
Proc. SPIE 2923, Laser-Tissue Interaction and Tissue Optics II, (5 December 1996); doi: 10.1117/12.260731
Show Author Affiliations
Frieder H. Loesel, Univ. of Heidelberg (Germany)
Markolf H. Niemz, Univ. of Heidelberg (Germany)
Christopher Horvath, Univ. of Heidelberg (Germany)
Tibor Juhasz, Univ. of Michigan/Ann Arbor (United States)
Josef F. Bille, Univ. of Heidelberg (Germany)


Published in SPIE Proceedings Vol. 2923:
Laser-Tissue Interaction and Tissue Optics II
Hansjoerg Albrecht; Guy P. Delacretaz; Thomas H. Meier; Rudolf W. Steiner; Lars Othar Svaasand, Editor(s)

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