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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 45, Iss. 5 — May. 1, 1955
  • pp: 338–343

Raman Spectroscopy of Gases

H. L. WELSH, E. J. STANSBURY, J. ROMANKO, and T. FELDMAN  »View Author Affiliations


JOSA, Vol. 45, Issue 5, pp. 338-343 (1955)
http://dx.doi.org/10.1364/JOSA.45.000338


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Abstract

An apparatus for photographing Raman spectra of low-pressure gases at high dispersion is described. A multiple reflection Raman tube, 2 m long, is irradiated by two water-cooled Pyrex mercury arcs operated at 30 amp, and surrounded by a magnesium oxide diffusing screen. A two-prism glass Littrow spectrograph, ƒ/42, gives a reciprocal linear dispersion of 10.5 cm-1 per mm; its speed is increased fifteen-fold by a cylindrical lens in front of the photographic plate. Rotation-vibrational spectra of gases at 1–3 atmos pressure can be photographed with a resolution of 1 cm-1. Various aspects of high-resolution Raman spectroscopy of gases are discussed.

Citation
H. L. WELSH, E. J. STANSBURY, J. ROMANKO, and T. FELDMAN, "Raman Spectroscopy of Gases," J. Opt. Soc. Am. 45, 338-343 (1955)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-45-5-338


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