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Optica Publishing Group
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1989),
  • paper THR1

High resolution laser-induced fluorescence measurements of Schumann-Runge transitions in room temperature O2

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Abstract

Nonintrusive techniques for flow property measurements in compressible flow wind tunnels are required for testing improved flow models and designing advanced aerospace structures. The advent of ArF excimer lasers, producing intense coherent radiation at 193 nm In the O2 Schumann-Runge (B-X) absorption system, creates the potential for using O2 laser-induced fluorescence (LIF) for flow measurements.1 Although high temperature applications have recently received a great deal of attention, low temperature applications are much less explored owing to their inherently small signal levels. We report here on our work toward characterization of the LIF properties of the Schumann-Runge system of room temperature oxygen.

© 1989 Optical Society of America

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