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Proceedings Paper

Femtosecond laser damage in dielectric coatings
Author(s): Joern Bonse; Steffen Baudach; Joerg Krueger; Wolfgang Kautek; Kai Starke; Tobias Gross; Detlev Ristau; Wolfgang G. Rudolph; Jayesh C. Jasapara; Eberhard Welsch
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Paper Abstract

Multi-shot investigations of Ti:sapphire laser (wavelength (lambda) approximately equals 800 nm) induced damage were performed in three different laboratories (BAM, Berlin; LZH, Hannover; UNM, Albuquerque). The ablation behavior of a high reflecting mirror consisting of alternating (lambda) /4- layers of Ta2O5 and SiO2 was studied. Fused silica served as substrate. The influence of the pulse duration ((tau) equals 13 - 130 fs), the pulse number (30 - (infinity) ) and the repetition rate (10 Hz - 100 MHz) on the damage threshold will be discussed.

Paper Details

Date Published: 12 April 2001
PDF: 11 pages
Proc. SPIE 4347, Laser-Induced Damage in Optical Materials: 2000, (12 April 2001); doi: 10.1117/12.425056
Show Author Affiliations
Joern Bonse, Bundesanstalt fuer Materialforschung und -pruefung (Germany)
Steffen Baudach, Bundesanstalt fuer Materialforschung und -pruefung (Germany)
Joerg Krueger, Bundesanstalt fuer Materialforschung und -pruefung (Germany)
Wolfgang Kautek, Bundesanstalt fuer Materialforschung und -pruefung (Germany)
Kai Starke, Laser Zentrum Hannover eV (Germany)
Tobias Gross, Laser Zentrum Hannover eV (Germany)
Detlev Ristau, Laser Zentrum Hannover eV (Germany)
Wolfgang G. Rudolph, Univ. of New Mexico (United States)
Jayesh C. Jasapara, Univ. of New Mexico (United States)
Eberhard Welsch, Friedrich-Schiller-Univ. Jena (Germany)


Published in SPIE Proceedings Vol. 4347:
Laser-Induced Damage in Optical Materials: 2000
Gregory J. Exarhos; Arthur H. Guenther; Mark R. Kozlowski; Keith L. Lewis; M. J. Soileau, Editor(s)

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