Environmental dependencies on the LIDT of all-silica GLAD mirrors for 355 nm

Sebastian Paschel; Morten Steinecke; Florian Carstens; Marco Jupé; Andreas Wienke; Detlev Ristau; Tomas Tolenis; Lukas Ramalis

doi:10.1117/12.2642745

2 December 2022 Environmental dependencies on the LIDT of all-silica GLAD mirrors for 355 nm

Sebastian Paschel, Morten Steinecke, Florian Carstens, Marco Jupé, Andreas Wienke, Detlev Ristau, Tomas Tolenis, Lukas Ramalis

Author Affiliations +

Proceedings Volume PC12300, Laser-Induced Damage in Optical Materials 2022; PC123000L (2022) https://doi.org/10.1117/12.2642745
Event: SPIE Laser Damage, 2022, Rochester, New York, United States

Abstract

All-silica mirrors manufactured using GLancing Angle Deposition (GLAD) are a promising approach for optics with improved LIDT. However, water content may increase over time due to the porosity of the low index silica layers, potentially changing the LIDT. Additionally, consecutive irradiation during LIDT testing may remove stored water and influence the LIDT. Laser calorimetry, spectrophotometry and LIDT measurements, applying S-on-1 and R-on-1 methods, were used in order to determine the impact of laser-induced removal of stored water on the absorption, spectral behavior and laser damage resistance of all-silica mirrors. Influence of water reabsorption was investigated under different environmental atmospheric conditions.

Conference Presentation

Citation Download Citation

Sebastian Paschel, Morten Steinecke, Florian Carstens, Marco Jupé, Andreas Wienke, Detlev Ristau, Tomas Tolenis, and Lukas Ramalis "Environmental dependencies on the LIDT of all-silica GLAD mirrors for 355 nm", Proc. SPIE PC12300, Laser-Induced Damage in Optical Materials 2022, PC123000L (2 December 2022); https://doi.org/10.1117/12.2642745

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