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Proceedings Paper

Nonlinear effects inside corneal tissue after fs-photodisruption
Author(s): Alexander Heisterkamp; Tammo Ripken; Holger Lubatschowski; Herbert Welling; Wolfgang Drommer; Elke Luetkefels; Thanongsak Mamom; Wolfgang Ertmer
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Paper Abstract

In order to perform refractive surgery, fs-laser pulses were focused into animal cornea. During histo-pathological analysis by light- and transmission-electron-microscopy new side effects of fs-photodisruption were found. Due to the high intensities at the focal region, self focusing followed by further nonlinear effects is observed, leading to streak formation inside the cornea and several micro-breakdowns on the sub-micron scale. The nature and origin of these streaks are further investigated.

Paper Details

Date Published: 26 October 2001
PDF: 6 pages
Proc. SPIE 4433, Laser-Tissue Interactions, Therapeutic Applications, and Photodynamic Therapy, (26 October 2001); doi: 10.1117/12.446501
Show Author Affiliations
Alexander Heisterkamp, Laser Zentrum Hannover e.V. (Germany)
Tammo Ripken, Laser Zentrum Hannover e.V. (Germany)
Holger Lubatschowski, Laser Zentrum Hannover e.V. (Germany)
Herbert Welling, Laser Zentrum Hannover e.V. (Germany)
Wolfgang Drommer, Tierarztliche Hochschule Hannover (Germany)
Elke Luetkefels, Tierarztliche Hochschule Hannover (Germany)
Thanongsak Mamom, Tierarztliche Hochschule Hannover (Germany)
Wolfgang Ertmer, Univ. of Hannover (Germany)

Published in SPIE Proceedings Vol. 4433:
Laser-Tissue Interactions, Therapeutic Applications, and Photodynamic Therapy
Reginald Birngruber; Hubert van den Bergh, Editor(s)

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