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27 Mar 2006

Volume 88, Issue 13, Articles (13xxxx)

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Appl. Phys. Lett. 88, 133105 (2006); http://dx.doi.org/10.1063/1.2189203 (3 pages)

Premila Mohan, Junichi Motohisa, and Takashi Fukui
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Temperature measurement in a high pressure dielectric barrier discharge using pressure induced line broadening and frequency shift

Robert J. Leiweke and Biswa N. Ganguly

Appl. Phys. Lett. 88, 131501 (2006); http://dx.doi.org/10.1063/1.2190453 (3 pages) | Cited 8 times

Online Publication Date: 28 March 2006

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We have demonstrated two gas temperature measurement methods which are applicable to high pressure discharges where the pressure induced line broadening and frequency shift dominate over thermal broadening of atomic transitions. We have used diode-laser absorption spectroscopic measurements of argon 1s3→2p2 transition Doppler linewidth, Lorentzian broadening, and frequency shift to measure gas temperature in a dielectric barrier discharge operating from 5 up to 500 Torr with temperature rise less than 100 K.
Show PACS
52.70.Kz Optical (ultraviolet, visible, infrared) measurements
52.25.Os Emission, absorption, and scattering of electromagnetic radiation
52.80.Yr Discharges for spectral sources (including inductively coupled plasma)
52.25.Kn Thermodynamics of plasmas
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