4 October 2011 Study of the laser matter interaction in the femtosecond regime: application to the analysis of the laser damage of optical thin films
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Abstract
We report an experimental investigation in the laser-induced damage threshold (LIDT) of optical coatings materials. The samples are single layers of Al2O3, Nb2O5, HfO2, SiO2, Ta2O5, ZrO2 deposited through different deposition techniques (evaporation or sputtering with/without ion assistance) and mixtures of Al2O3/SiO2, Nb2O5/SiO2, HfO2/SiO2, Ta2O5/SiO2 and ZrO2/SiO2 on silica substrates. The LIDT is measured at 1030nm, 500fs in single shot mode. The results are expressed and compared in term of LIDT as a function of bandgap and LIDT as a function of refractive index.
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B. Mangote, B. Mangote, L. Gallais, L. Gallais, M. Zerrad, M. Zerrad, M. Commandré, M. Commandré, L. H. Gao, L. H. Gao, F. Lemarchand, F. Lemarchand, M. Lequime, M. Lequime, A. Melninkaitis, A. Melninkaitis, J. Mirauskas, J. Mirauskas, V. Sirutkaitis, V. Sirutkaitis, S. Kicas, S. Kicas, T. Tolenis, T. Tolenis, R. Drazdys, R. Drazdys, M. Mende, M. Mende, L. Jensen, L. Jensen, H. Ehlers, H. Ehlers, D. Ristau, D. Ristau, "Study of the laser matter interaction in the femtosecond regime: application to the analysis of the laser damage of optical thin films", Proc. SPIE 8168, Advances in Optical Thin Films IV, 816815 (4 October 2011); doi: 10.1117/12.897372; https://doi.org/10.1117/12.897372
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