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Proceedings Paper

Investigation of the laser-induced damage of dispersive coatings
Author(s): Ivan B. Angelov; Aaron von Conta; Sergei A. Trushin; Zsuzsanna Major; Stefan Karsch; Ferenc Krausz; Vladimir Pervak
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Paper Abstract

Different dispersive coatings were tested in terms of laser-induced damage threshold by using a Ti:Sapphire laser yielding 1 mJ, 30 fs pulses at 500 Hz repetition rate at 790 nm central wavelength. The beam was focused down to 140 μm. Single layer coatings of Au, Ag, Nb2O5, SiO2, Ta2O5 and mixtures of Ta2O5 and silica were examined as well as different dispersive coatings. We observed a direct dependence of the damage threshold on the band gap of the materials used to produce the different samples. The damage threshold values for the dispersive coatings employing the same high index material lay within a range of 30% of each other.

Paper Details

Date Published: 23 November 2011
PDF: 7 pages
Proc. SPIE 8190, Laser-Induced Damage in Optical Materials: 2011, 81900B (23 November 2011); doi: 10.1117/12.899116
Show Author Affiliations
Ivan B. Angelov, Max-Planck-Institut für Quantenoptik (Germany)
Aaron von Conta, Ludwig-Maximilians-Univ. München (Germany)
Hochschule München (Germany)
Sergei A. Trushin, Max-Planck-Institut für Quantenoptik (Germany)
Zsuzsanna Major, Max-Planck-Institut für Quantenoptik (Germany)
Ludwig-Maximilians-Univ. München (Germany)
Stefan Karsch, Max-Planck-Institut für Quantenoptik (Germany)
Ludwig-Maximilians-Univ. München (Germany)
Ferenc Krausz, Max-Planck-Institut für Quantenoptik (Germany)
Ludwig-Maximilians-Univ. München (Germany)
Vladimir Pervak, Ludwig-Maximilians-Univ. München (Germany)


Published in SPIE Proceedings Vol. 8190:
Laser-Induced Damage in Optical Materials: 2011
Gregory J. Exarhos; Vitaly E. Gruzdev; Joseph A. Menapace; Detlev Ristau; M. J. Soileau, Editor(s)

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