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Lasers in Medical Science

Erschienen in:

01.04.2008 | Original Article

Study of visible and mid-infrared laser ablation mechanism of PMMA and intraocular lenses: experimental and theoretical results

verfasst von: E. Spyratou, M. Makropoulou, A. A. Serafetinides

Erschienen in: Lasers in Medical Science | Ausgabe 2/2008

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Abstract

Laser–polymer interactions have attracted extensive attention both for understanding the inherent basic ablation mechanism and for development of tissue simulators in several biomedical laser applications such as in human ophthalmology. Ablation experiments were performed on polymethylmethacrylate used as cornea tissue simulator and PMMA intraocular lenses. The polymer–ablation mechanism was examined with two different wavelengths and pulse durations. The experiments were conducted with Nd:YAG and Er:YAG solid-state lasers, and the ablation rates were simulated by a mathematical model in each case. Furthermore, to investigate the role of tissue hydration during laser ablation, we performed a set of experiments in which Er:YAG laser ablation of hydrophilic acrylic intraocular lenses, with different H₂O and D₂O concentrations, was studied. The hydrophilic acrylic lenses with the higher concentration of H₂O gave the most satisfactory results regarding both the ablation efficiency and the quality of the ablated craters.

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Titel: Study of visible and mid-infrared laser ablation mechanism of PMMA and intraocular lenses: experimental and theoretical results
verfasst von: E. Spyratou
M. Makropoulou
A. A. Serafetinides
Publikationsdatum: 01.04.2008
Verlag: Springer-Verlag
Erschienen in: Lasers in Medical Science / Ausgabe 2/2008
Print ISSN: 0268-8921
Elektronische ISSN: 1435-604X
DOI: https://doi.org/10.1007/s10103-007-0468-4

Klimawandel und Gesundheit: Was Sie in der Hausarztpraxis wissen müssen und tun können

Springer Medizin

Study of visible and mid-infrared laser ablation mechanism of PMMA and intraocular lenses: experimental and theoretical results

Abstract

Klimawandel und Gesundheit: Was Sie in der Hausarztpraxis wissen müssen und tun können

Springer Medizin

Abstract

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