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Proceedings Paper

An exhaustive study of laser damage in ion beam sputtered pure and mixture oxide thin films at 1030 nm with 500 fs pulse durations
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Paper Abstract

We report on the laser damage resistance of thin films prepared by Ion Beam Sputtering. The samples are fused silica substrates coated with single layer films of pure oxides (SiO2, Nb2O5, ZrO2, HfO2, Ta2O5, Al2O3, Sc2O3) and oxide mixtures with various ratios (Nb2O5/SiO2, ZrO2/SiO2, HfO2/SiO2, Ta2O5/SiO2, Al2O3/SiO2 and Sc2O3/SiO2). For this study the LIDT of more than 60 different samples have measured at 1030nm with pulse durations of 500fs with single pulse irradiation. The results are expressed and compared in terms of LIDT as a function of the measured band gap energy and refractive index. For simple oxide materials a linear evolution of the LIDT with bandgap is observed, with the exception of Sc2O3 material where a very high damage threshold is observed, compared to other high index materials. In the case of mixtures, a more complex behavior is evidenced.

Paper Details

Date Published: 29 November 2012
PDF: 8 pages
Proc. SPIE 8530, Laser-Induced Damage in Optical Materials: 2012, 85300K (29 November 2012); doi: 10.1117/12.977553
Show Author Affiliations
Laurent Gallais, Institut Fresnel, CNRS, Univ. d'Aix Marseille (France)
Benoit Mangote, Institut Fresnel, CNRS, Univ. d'Aix Marseille (France)
Mireille Commandré, Institut Fresnel, CNRS, Univ. d'Aix Marseille (France)
Mathias Mende, Laser Zentrum Hannover e.V. (Germany)
Lars Jensen, Laser Zentrum Hannover e.V. (Germany)
Henrik Ehlers, Laser Zentrum Hannover e.V. (Germany)
Marco Jupé, Laser Zentrum Hannover e.V. (Germany)
Detlev Ristau, Laser Zentrum Hannover e.V. (Germany)
Ctr. for Quantum Engineering and Space-Time Research (Germany)
Andrius Melninkaitis, Vilnius Univ. (Lithuania)
Valdas Sirutkaitis, Vilnius Univ. (Lithuania)
Simonas Kičas, Ctr. for Physical Sciences and Technology (Lithuania)
Tomas Tolenis, Ctr. for Physical Sciences and Technology (Lithuania)
Ramutis Drazdys, Ctr. for Physical Sciences and Technology (Lithuania)


Published in SPIE Proceedings Vol. 8530:
Laser-Induced Damage in Optical Materials: 2012
Gregory J. Exarhos; Vitaly E. Gruzdev; Joseph A. Menapace; Detlev Ristau; M J Soileau, Editor(s)

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