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, f/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.

© 1955 Optical Society of America

High-Resolution Raman Spectroscopy of Gases with cw-Laser Excitation*

Alfons Weber, Sergio P. S. Porto, Leonard E. Cheesman, and Joseph J. Barrett
J. Opt. Soc. Am. 57(1) 19-28 (1967)

A Raman Apparatus for Gases*

Howard H. Claassen and J. Rud Nielsen
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High-Resolution Raman Spectroscopy of Gases with Laser Sources, V.* Use of the Single-Mode Argon Laser†

Alfons Weber and Joseph Schlupf
J. Opt. Soc. Am. 62(3) 428-432 (1972)

Photoelectric Raman Spectrometer

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J. Opt. Soc. Am. 45(3) 154-166 (1955)

Intensity in the Raman Effect. I. Reduction of Observed Intensity to a Standard Intensity Scale for Raman Bands in Liquids*

H. J. Bernstein and G. Allen
J. Opt. Soc. Am. 45(4) 237-249 (1955)