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11 April 2024 Modeling scattering of polycrystalline ceramics for laser applications
Wenbo Zhou, Meir H. Shachar, Javier E. Garay
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Proceedings Volume PC12939, High-Power Laser Ablation VIII; PC1293919 (2024) https://doi.org/10.1117/12.3012619
Event: SPIE High-Power Laser Ablation, 2024, Santa Fe, New Mexico, United States
Abstract
Rare earth doped polycrystalline ceramics are promising new gain medium for high power lasers because of their outstanding thermal and mechanical properties. One major difficulty is that polycrystals suffer more from scattering compared with single crystals and glass. Experiments have shown high optical transparency can be obtained with finer grains and grain orientation alignment. Therefore, it is of crucial importance to understand the loss mechanism behind both qualitatively and quantitatively. Here we present a first principles birefringent scattering model which predicts the scattering loss from realistic microstructure. The model can be used to interpret experimental results as well as make quantitative predictions with varying grain morphology and texture parameters.
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Wenbo Zhou, Meir H. Shachar, and Javier E. Garay "Modeling scattering of polycrystalline ceramics for laser applications", Proc. SPIE PC12939, High-Power Laser Ablation VIII, PC1293919 (11 April 2024); https://doi.org/10.1117/12.3012619
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KEYWORDS
Ceramics
Laser scattering
Laser applications
Modeling
Scattering
Transparency
Materials properties
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