The generation of infrared radiation by stimulated electronic Raman scattering (SRS) in a cesium vapor heat pipe is used to obtain diagnostic information on HBr in a tungsten halogen lamp. The IR beam traverses through the center of the coiled filament of a General Electric projection lamp, and spectra are taken of the R branch in the fundamental band for the lamp lit from 0 to 148 W, corresponding to filament temperatures of 296-2387 K. Molecular rotational temperatures and absolute HBr densities are then derived from the spectra. The results demonstrate the method to be a useful diagnostic tool for spatially resolved measurements of a key partner in the tungsten halogen cycle.
CotterD.HannaD. C. and WyattR, Opt. Comm.16, 256 (1976).
2.
HarrisA. L. and LevinosN. J, Appl. Opt.26, 3996 (1987).
3.
BigioL., in Proceedings of the Fifth International Symposium on the Science and Technology of Light Sources, DevonshireR.MeadsJ. and WharmbyD. O, Eds. (University of Sheffield, U.K., 1989), pp. 199–200.
4.
SellJ. A.EasleyG. L. and SimonD. L, Appl. Spectros.39, 137 (1985).
5.
SellJ. A., J. Appl. Phys.54, 6687 (1983).
6.
HerzbergG., Spectra of Diatomic Molecules (Van Nostrand Reinhold, New York, 1950), p. 125.
7.
MitchellA. G. and ZemanskyM. W, Resonance Radiation and Excited Atoms (Cambridge University Press, London, 1971), p. 95.
8.
RothmanL. S.GamacheR. R.GoldmanA.BrownL. R.TothR. A.PickettH. M.PoynterR. L.FlaudJ. M.Camy-PeyretC.BarbeA.HussonN.RinslandC. P. and SmithM. A. H, Appl. Opt.26, 4058 (1987).
9.
The paper listed in Ref. 8 is really just an introduction to the HITRAN database, the bulk of which is in a computer listing available from the U.S. Air Force Geophysics Laboratory (see Ref. 8). Sections of complete database from 350–3500 cm−1 are also available from Laser Photonics, Analytics Division in Bedford, Massachusetts. See also Ref. 10 for earlier data on HBr.
10.
MantzA. W. and EngR. S, Appl. Spectrosc.32, 239 (1978).
