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18 December 2024 Damage growth prediction study with multi-modal characterization
Jae Hyuck Yoo, Connor J. Amorin, Yoonsoo Rho, Christopher F. Miller, Matthias A. Daeumer, Christopher M. Mah, Brandon Demory, Ted A. Laurence, Christopher W. Carr
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Proceedings Volume PC13190, Laser-Induced Damage in Optical Materials 2024; PC131900A (2024) https://doi.org/10.1117/12.3032954
Event: SPIE Laser Damage, 2024, San Ramon, CA, United States
Abstract
Optical and photoluminescence 3D imaging of small fused silica laser-induced damage sites allows us to understand the damage growth mechanisms. The laser damage growth process is driven by local absorption centers and its location and depth are the key factors. To quantitatively extract the factors from the 3D multi-modal image data set, various metrics are obtained by image analysis techniques and evaluated. We believe that our measurement and analysis approach can allow rapid identification of growth-prone damage sites, providing a pathway to fast, non-destructive predictions of laser-induced damage growth and enable selective damage site mitigation. This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344. LLNL-ABS-863515
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Jae Hyuck Yoo, Connor J. Amorin, Yoonsoo Rho, Christopher F. Miller, Matthias A. Daeumer, Christopher M. Mah, Brandon Demory, Ted A. Laurence, and Christopher W. Carr "Damage growth prediction study with multi-modal characterization", Proc. SPIE PC13190, Laser-Induced Damage in Optical Materials 2024, PC131900A (18 December 2024); https://doi.org/10.1117/12.3032954
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KEYWORDS
Laser induced damage
Silica
Laser systems engineering
Light absorption
Microscopes
National Ignition Facility
Nondestructive evaluation
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