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20 September 2004 Hydrogen fluoride overtone laser: 2D CFD modeling of the small signal gain
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Proceedings Volume 5448, High-Power Laser Ablation V; (2004) https://doi.org/10.1117/12.547089
Event: High-Power Laser Ablation, 2004, Taos, New Mexico, United States
Abstract
The small signal gain of a small-scale HF overtone laser was measured using a sub-Doppler tunable diode laser system. The spatially resolved, two-dimensional small signal gain maps that were generated show a highly inhomogeneous gain medium indicating the dominant role played by mixing of the H2 and F streams in HF laser performance. The measured gain data were analyzed with the aid of a two-dimensional computational fluid dynamics model. The results show that reactant mixing mechanisms have a large effect on the gain averaged over a vertical profile while kinetic rate mechanisms, including reaction rate constants and reactant concentration, have a greater effect on the maximum system gain.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Charles F. Wisniewski, Kevin B. Hewett, Gerald C. Manke II, C. Randall Truman, and Gordon D. Hager "Hydrogen fluoride overtone laser: 2D CFD modeling of the small signal gain", Proc. SPIE 5448, High-Power Laser Ablation V, (20 September 2004); https://doi.org/10.1117/12.547089
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