Temperature measurements by coherent Rayleigh scattering

Xingguo Pan; Peter F. Barker; A. Meschanov; J. H. Grinstead; Mikhail N. Shneider; Richard B. Miles

doi:10.1364/OL.27.000161

Temperature measurements by coherent Rayleigh scattering

Xingguo Pan, Peter F. Barker, A. Meschanov, J. H. Grinstead, Mikhail N. Shneider, Richard B. Miles

Mechanical & Aerospace Engineering

Research output: Contribution to journal › Article › peer-review

52 Scopus citations

Abstract

We demonstrate, for the first time to our knowledge, the utility of coherent Rayleigh scattering (CRS) for temperature measurements in low-density gases and weakly ionized plasmas by measuring the translational temperature of neutral argon in a glow discharge. By analysis of the near-Gaussian spectral profile of the CRS signal, we determine temperatures with an uncertainty of ≤3%. We also investigate the intensity range over which this simple Gaussian analysis can be used for temperature measurements and discuss its potential for gas diagnostics.

Original language	English (US)
Pages (from-to)	161-163
Number of pages	3
Journal	Optics Letters
Volume	27
Issue number	3
DOIs	https://doi.org/10.1364/OL.27.000161
State	Published - Feb 1 2002

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OL.27.000161

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abstract = "We demonstrate, for the first time to our knowledge, the utility of coherent Rayleigh scattering (CRS) for temperature measurements in low-density gases and weakly ionized plasmas by measuring the translational temperature of neutral argon in a glow discharge. By analysis of the near-Gaussian spectral profile of the CRS signal, we determine temperatures with an uncertainty of ≤3%. We also investigate the intensity range over which this simple Gaussian analysis can be used for temperature measurements and discuss its potential for gas diagnostics.",

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T1 - Temperature measurements by coherent Rayleigh scattering

AU - Pan, Xingguo

AU - Barker, Peter F.

AU - Meschanov, A.

AU - Grinstead, J. H.

AU - Shneider, Mikhail N.

AU - Miles, Richard B.

PY - 2002/2/1

Y1 - 2002/2/1

N2 - We demonstrate, for the first time to our knowledge, the utility of coherent Rayleigh scattering (CRS) for temperature measurements in low-density gases and weakly ionized plasmas by measuring the translational temperature of neutral argon in a glow discharge. By analysis of the near-Gaussian spectral profile of the CRS signal, we determine temperatures with an uncertainty of ≤3%. We also investigate the intensity range over which this simple Gaussian analysis can be used for temperature measurements and discuss its potential for gas diagnostics.

AB - We demonstrate, for the first time to our knowledge, the utility of coherent Rayleigh scattering (CRS) for temperature measurements in low-density gases and weakly ionized plasmas by measuring the translational temperature of neutral argon in a glow discharge. By analysis of the near-Gaussian spectral profile of the CRS signal, we determine temperatures with an uncertainty of ≤3%. We also investigate the intensity range over which this simple Gaussian analysis can be used for temperature measurements and discuss its potential for gas diagnostics.

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VL - 27

SP - 161

EP - 163

JO - Optics Letters

JF - Optics Letters

IS - 3

ER -

Temperature measurements by coherent Rayleigh scattering

Abstract

All Science Journal Classification (ASJC) codes

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