6 December 2016 Investigation of the ageing effects exhibited by AR coatings exposed to ultraviolet laser irradiation
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Abstract
Optical coatings used in ultraviolet applications are often exposed to harsh environments operating at elevated temperatures. In order to study the impact of the ageing effects optical coatings experience at various operating temperatures, an ultraviolet laser-induced degradation test system has been developed. It allows for flexible use in both a long-term stability test bench as well as in an LIDT measurement system. This work contains the preliminary results of optical degradation tests at 355 nm performed on anti-reflective coatings. As a subsequent step, the LIDT of the samples were measured using a Q-Switched Nd:YAG laser operating at 1064nm.
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Roelene Botha, David Bischof, Bernhard Vetsch, Ueli Scherrer, Markus Michler, Stefan J. Rinner, Andreas Ettemeyer, Carsten Ziolek, "Investigation of the ageing effects exhibited by AR coatings exposed to ultraviolet laser irradiation", Proc. SPIE 10014, Laser-Induced Damage in Optical Materials 2016, 100141L (6 December 2016); doi: 10.1117/12.2244657; https://doi.org/10.1117/12.2244657
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