Improvement of optical properties and radiation resistance of optical coatings based on Nb2O5 and Ta2O5

Giedrius Abromavičius; Rytis Buzelis; Ramutis Drazdys; Andrius Melninkaitis; Darius Mikšys; Valdas Sirutkaitis; Alfridas Skrebutėnas

doi:10.1117/12.726564

25 January 2007 Improvement of optical properties and radiation resistance of optical coatings based on Nb₂O₅ and Ta₂O₅

Giedrius Abromavičius, Rytis Buzelis, Ramutis Drazdys, Andrius Melninkaitis, Darius Mikšys, Valdas Sirutkaitis, Alfridas Skrebutėnas

Author Affiliations +

Proceedings Volume 6596, Advanced Optical Materials, Technologies, and Devices; 65961O (2007) https://doi.org/10.1117/12.726564
Event: Advanced Optical Materials, Technologies, and Devices, 2006, Vilnius, Lithuania

Abstract

This investigation was aimed at optimization of optical properties, stability and radiation resistance of optical coatings deposited using the standard vacuum coating plant equipped with the ion source for ion assisted deposition. There are some reports showing that porous dielectric coatings are more resistant to intense laser radiation, however they have smaller environmental stability than denser coatings, which are more sensitive to laser radiation. The influence of important technological parameters (deposition rate, substrate temperature, energy of ions) on optical properties and radiation resistance of high reflection dielectric coatings based on Nb₂O₅/SiO₂ and Ta₂O₅/SiO₂ in VIS spectral region is presented.

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Giedrius Abromavičius, Rytis Buzelis, Ramutis Drazdys, Andrius Melninkaitis, Darius Mikšys, Valdas Sirutkaitis, and Alfridas Skrebutėnas "Improvement of optical properties and radiation resistance of optical coatings based on Nb₂O₅ and Ta₂O₅", Proc. SPIE 6596, Advanced Optical Materials, Technologies, and Devices, 65961O (25 January 2007); https://doi.org/10.1117/12.726564

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