Remote-sensing gas measurements with coherent Rayleigh-Brillouin scattering

Gerakis, A.; Shneider, M.N.; Stratton, B.C.

doi:10.11578/1366755

Title: Remote-sensing gas measurements with coherent Rayleigh-Brillouin scattering

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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 confirm the already established quadratic dependence of the signal on the gas density. We propose the use of CRBS as an effective diagnostic for the remote measurement of gas’ density (pressure) and temperature, as well as polarizability, for gases of known composition.

Authors:

Gerakis, A.; Shneider, M.N.; Stratton, B.C.

Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States); Princeton Plasma Physics Laboratory
Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)

Publication Date:: 2015-12-31

DOE Contract Number:: AC02-09CH11466

Research Org.:: Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Fusion Energy Sciences (FES) (SC-24)

Subject:: 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; Polarizability Temperature measurement High pressure Scattering measurements Speed of sound

OSTI Identifier:: 1366755

DOI:: https://doi.org/10.11578/1366755

Citation Formats


                    Gerakis, A., Shneider, M.N., and Stratton, B.C. Remote-sensing gas measurements with coherent Rayleigh-Brillouin scattering.  United States: N. p., 2015. 
        Web.  doi:10.11578/1366755.

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                    Gerakis, A., Shneider, M.N., & Stratton, B.C. Remote-sensing gas measurements with coherent Rayleigh-Brillouin scattering.  United States.  doi:https://doi.org/10.11578/1366755

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                    Gerakis, A., Shneider, M.N., and Stratton, B.C. 2015.  
"Remote-sensing gas measurements with coherent Rayleigh-Brillouin scattering".  United States.  doi:https://doi.org/10.11578/1366755.  https://www.osti.gov/servlets/purl/1366755. Pub date:Thu Dec 31 23:00:00 EST 2015

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@article{osti_1366755,

  title        = {Remote-sensing gas measurements with coherent Rayleigh-Brillouin scattering},

  author       = {Gerakis, A. and Shneider, M.N. and Stratton, B.C.},

  abstractNote = {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 confirm the already established quadratic dependence of the signal on the gas density. We propose the use of CRBS as an effective diagnostic for the remote measurement of gas’ density (pressure) and temperature, as well as polarizability, for gases of known composition.},

  doi          = {10.11578/1366755},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2015},

  month        = {12}

}

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DOI: https://doi.org/10.11578/1366755

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Remote-sensing gas measurements with coherent Rayleigh-Brillouin scattering

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Here, 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 confirm the already established quadratic dependence of the signal on the gas density. Finally, we propose the use of CRBS as an effective diagnostic for the remote measurement of gas' density (pressure) and temperature, as well as polarizability, for gases of known composition.
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