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Optica Publishing Group
  • International Quantum Electronics Conference
  • 1996 OSA Technical Digest Series (Optica Publishing Group, 1996),
  • paper WL114

DFWM line shapes in the forward phase-matching geometry: single-transition thermometry

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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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