The overtone gain of a small-scale HF laser was measured using a sub- Doppler tunable diode laser system. Two-dimensional spatially resolved small signal gain and temperature maps were generated, which show a highly inhomogeneous gain medium indicating the dominant role that mixing of the fuel and oxidizer streams has in HF laser performance. The measured gain and temperature data were analyzed with the aid of a two-dimensional computational fluid dynamics ...
The overtone gain of a small-scale HF laser was measured using a sub- Doppler tunable diode laser system. Two-dimension spatially resolved small signal gain and temperature maps were generated, which show a highly inhomogeneous gain medium: indicating the dominant role that mixing of the fuel and oxidizer streams has in HF laser performance. The measured gain a temperature data were analyzed with the aid of a two-dimensional computational fluid dynamics ...
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