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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 20, Iss. 15 — Aug. 1, 1981
  • pp: 2625–2629

Gas temperature and density of UF6 determined by two-wavelength UV absorption

W. W. Rice, R. C. Oldenborg, F. B. Wampler, and J. J. Tiee  »View Author Affiliations


Applied Optics, Vol. 20, Issue 15, pp. 2625-2629 (1981)
http://dx.doi.org/10.1364/AO.20.002625


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Abstract

The new technique of Wampler and Gentry for determining the temperature and density of a gas by measuring UV gas absorption at two wavelengths [ WamplerF. B. GentryR. A., J. Appl. Phys. 52, 1583 1981)] has been applied to gaseous UF6. At 266 nm the absorption cross section σ of UF6 appears to be constant, σ = (1.15 ± 0.01) 10−18 cm2 from 0–100°C. The absorption cross section at 245 nm over the same temperature range may be represented with the empirical polynomial σ = [1.37 ± 0.05 + (9.7 ± 1.5) 10−3T − (4.2 ± 1.1)10−5T2] 10−18 cm2, where T is in degrees Celsius. Differences in (dσ/dT)λ at 266 and 245 nm allow both UF6 temperature and density to be determined by UV absorption measurements. The strengths and limitations of this technique are discussed.

© 1981 Optical Society of America

History
Original Manuscript: March 9, 1981
Published: August 1, 1981

Citation
W. W. Rice, R. C. Oldenborg, F. B. Wampler, and J. J. Tiee, "Gas temperature and density of UF6 determined by two-wavelength UV absorption," Appl. Opt. 20, 2625-2629 (1981)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-20-15-2625

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