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Proceedings Paper

Morphology investigations of laser-induced damage
Author(s): B. Wu; U. Bartch; M. Jupé; L. Jensen; M. Lappschies; K. Starke; D. Ristau
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Paper Abstract

Microscopic imaging methods are valuable tools to analyze damage morphologies of laser optics for ns and fs applications. In the fs-regime, the morphology of TiO2/SiO2 coatings with modified field strength distributions were investigated, whereby a characteristic morphology was caused by the special designed vertical field strength profile, depending on the local power density. In the ns-regime, the morphology of the damage sites has shown significant differences between the quarter wave stacks and the gradual index systems without abrupt interfaces in the functional layers. Typically, these Rugate high reflectors did not show catastrophic damage. Rather the damage becomes apparent by the creation of colour centres.

Paper Details

Date Published: 15 January 2007
PDF: 10 pages
Proc. SPIE 6403, Laser-Induced Damage in Optical Materials: 2006, 640319 (15 January 2007); doi: 10.1117/12.696236
Show Author Affiliations
B. Wu, Hochschule für Angewandte Wissenschaft und Kunst (Germany)
U. Bartch, Hochschule für Angewandte Wissenschaft und Kunst (Germany)
M. Jupé, Laser Zentrum Hannover e.V. (Germany)
L. Jensen, Laser Zentrum Hannover e.V. (Germany)
M. Lappschies, Laser Zentrum Hannover e.V. (Germany)
K. Starke, Laser Zentrum Hannover e.V. (Germany)
D. Ristau, Laser Zentrum Hannover e.V. (Germany)

Published in SPIE Proceedings Vol. 6403:
Laser-Induced Damage in Optical Materials: 2006
Gregory J. Exarhos; Arthur H. Guenther; Keith L. Lewis; Detlev Ristau; M. J. Soileau; Christopher J. Stolz, Editor(s)

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