Abstract
Degenerate four-wave mixing (DFWM) is a nonlinear optical process which has been developed for making quantitative measurements of gasdynamic properties in reactive environments. This technique can be used to measure temperature and species concentration in both flames and plasma environments.[1] The resulting coherent signal beam makes DFWM particularly attractive for luminous and harsh environments, compared to incoherent techniques, such as laser-induced fluorescence (LIF). In this paper, we describe a new method for measuring translational temperature using DFWM.
© 1996 Optical Society of America
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