Rayleigh-Brillouin Scattering to Determine One-Dimensional Temperature and Number Density Profiles of a Gas Flow Field

James A. Lock; Richard G. Seasholtz; W. Trevor John

doi:10.1364/AO.31.002839

Rayleigh-Brillouin Scattering to Determine One-Dimensional Temperature and Number Density Profiles of a Gas Flow Field

James A. Lock, Richard G. Seasholtz, W. Trevor John

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Abstract

Rayleigh-Brillouin spectra for heated nitrogen gas were measured by imaging the output of a Fabry-Perot interferometer onto a CCD array The spectra were compared with the theoretical 6-moment model of Rayleigh-Brillouin scattering convolved with the Fabry-Perot instrument function. Estimates of the temperature and a dimensionless parameter proportional to the number density of the gas as functions of position in the laser beam were calculated by least-squares deviation fits between theory and experiment.

Original language	American English
Journal	Applied Optics
Volume	31
DOIs	https://doi.org/10.1364/AO.31.002839
State	Published - May 20 1992

Disciplines

Physics

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10.1364/AO.31.002839License: CC BY

Rayleigh-Brillouin Scattering to Determine One-Dimensional TemperFinal published version, 1.74 MBLicense: CC BY

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title = "Rayleigh-Brillouin Scattering to Determine One-Dimensional Temperature and Number Density Profiles of a Gas Flow Field",

abstract = " Rayleigh-Brillouin spectra for heated nitrogen gas were measured by imaging the output of a Fabry-Perot interferometer onto a CCD array The spectra were compared with the theoretical 6-moment model of Rayleigh-Brillouin scattering convolved with the Fabry-Perot instrument function. Estimates of the temperature and a dimensionless parameter proportional to the number density of the gas as functions of position in the laser beam were calculated by least-squares deviation fits between theory and experiment.",

author = "Lock, \{James A.\} and Seasholtz, \{Richard G.\} and John, \{W. Trevor\}",

note = "Lock, James A., Richard G. Seasholtz, and W. Trevor John. {"}Rayleigh-Brillouin Scattering to Determine One-Dimensional Temperature and Number Density Profiles of a Gas Flow Field.{"} emApplied Optics/em 31 (1992): 2839-2848.",

year = "1992",

month = may,

day = "20",

doi = "10.1364/AO.31.002839",

language = "American English",

volume = "31",

journal = "Applied Optics",

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T1 - Rayleigh-Brillouin Scattering to Determine One-Dimensional Temperature and Number Density Profiles of a Gas Flow Field

AU - Lock, James A.

AU - Seasholtz, Richard G.

AU - John, W. Trevor

N1 - Lock, James A., Richard G. Seasholtz, and W. Trevor John. "Rayleigh-Brillouin Scattering to Determine One-Dimensional Temperature and Number Density Profiles of a Gas Flow Field." emApplied Optics/em 31 (1992): 2839-2848.

PY - 1992/5/20

Y1 - 1992/5/20

N2 - Rayleigh-Brillouin spectra for heated nitrogen gas were measured by imaging the output of a Fabry-Perot interferometer onto a CCD array The spectra were compared with the theoretical 6-moment model of Rayleigh-Brillouin scattering convolved with the Fabry-Perot instrument function. Estimates of the temperature and a dimensionless parameter proportional to the number density of the gas as functions of position in the laser beam were calculated by least-squares deviation fits between theory and experiment.

AB - Rayleigh-Brillouin spectra for heated nitrogen gas were measured by imaging the output of a Fabry-Perot interferometer onto a CCD array The spectra were compared with the theoretical 6-moment model of Rayleigh-Brillouin scattering convolved with the Fabry-Perot instrument function. Estimates of the temperature and a dimensionless parameter proportional to the number density of the gas as functions of position in the laser beam were calculated by least-squares deviation fits between theory and experiment.

UR - https://engagedscholarship.csuohio.edu/sciphysics_facpub/87

U2 - 10.1364/AO.31.002839

DO - 10.1364/AO.31.002839

M3 - Article

VL - 31

JO - Applied Optics

JF - Applied Optics

ER -

Rayleigh-Brillouin Scattering to Determine One-Dimensional Temperature and Number Density Profiles of a Gas Flow Field

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