PPPL-5255

Remote-sensing gas measurements with Coherent Rayleigh-Brillouin Scattering

Authors:  A. Gerakis, M.N. Shneider, B.C. Stratton

Abstract:  We measure the coherent Rayleigh-Brillouin scattering (CRBS) signal integral as a function of the recorded gas pressure in He, Co2, SF6 and air, and we con rm the already established quadratic dependence of the signal on the gas density. We propose the use of CRBS as an e ective diagnostic for the remote measurement of gas' density (pressure) and temperature, as well as polarizability, for gases of known composition.
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Submitted to: Applied Physics Letters
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Download PPPL-5255 (pdf 2.5 MB 7 pp)
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