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<sup>-1</sup> 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<sup>-1</sup>. Various aspects of high-resolution Raman spectroscopy of gases are discussed.

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Amaldi, E.

E. Amaldi and G. Placzek, Z. Physik 81, 259 (1933).

Bhagavantam, S.

S. Bhagavantam, Nature 126, 995 (1930); 127, 817 (1931).

Bowen, I. S.

I. S. Bowen, Astrophys. J. 88, 113 (1938).

Cumming, C.

C. Cumming and H. L. Welsh, J. Chem. Phys. 21, 1119 (1953).

Houston, W. V.

C. M. Lewis and W. V. Houston, Phys. Rev. 44, 903 (1933).

John, G. E. St.

G. E. St. John, Ph.D. thesis, University of Toronto, 1952.

Kerschbaum, F. P.

F. P. Kerschbaum, Z. Instrumentenk. 34, 43 (1914).

Lewis, C. M.

C. M. Lewis and W. V. Houston, Phys. Rev. 44, 903 (1933).

Marcoux, J.

J. Marcoux, M.A. thesis, University of Toronto, 1953.

Nielsen, J. R.

J. R. Nielsen and N. E. Ward, J. Chem. Phys. 10, 81 (1942).

Placzek, G.

G. Placzek and E. Teller, Z. Physik 81, 209 (1933).

E. Amaldi and G. Placzek, Z. Physik 81, 259 (1933).

Ramdas, L. A.

L. A. Ramdas, Indian J. Phys. 3, 131 (1928).

Rasetti, F.

F. Rasetti, Phys. Rev, 34, 367 (1929).

Stephenson, F. C.

F. C. Stephenson, M. A. thesis, University of Toronto, 1951.

Stoicheff, B. P.

B. P. Stoicheff, Can. J. Phys. 32, 330 (1954).

Teller, E.

G. Placzek and E. Teller, Z. Physik 81, 209 (1933).

Ward, N. E.

J. R. Nielsen and N. E. Ward, J. Chem. Phys. 10, 81 (1942).

Welsh, H. L.

C. Cumming and H. L. Welsh, J. Chem. Phys. 21, 1119 (1953).

Wood, R. W.

R. W. Wood, Phys. Rev. 33, 1097 (1929); 35, 1355 (1930); Phil. Mag. 7, 744 (1929).

Other (20)

L. A. Ramdas, Indian J. Phys. 3, 131 (1928).

R. W. Wood, Phys. Rev. 33, 1097 (1929); 35, 1355 (1930); Phil. Mag. 7, 744 (1929).

F. Rasetti, Phys. Rev, 34, 367 (1929).

Dickinson, Dillon, and Rasetti, Phys. Rev. 34, 582 (1929).

S. Bhagavantam, Nature 126, 995 (1930); 127, 817 (1931).

E. Amaldi and G. Placzek, Z. Physik 81, 259 (1933).

C. M. Lewis and W. V. Houston, Phys. Rev. 44, 903 (1933).

G. Placzek and E. Teller, Z. Physik 81, 209 (1933).

J. R. Nielsen and N. E. Ward, J. Chem. Phys. 10, 81 (1942).

Welsh, Crawford, Thomas, and Love, Can. J. Phys. 30, 577 (1952).

Welsh, Cumming, and Stansbury, J. Opt. Soc. Am. 41, 712 (1951).

F. C. Stephenson, M. A. thesis, University of Toronto, 1951.

B. P. Stoicheff, Can. J. Phys. 32, 330 (1954).

F. P. Kerschbaum, Z. Instrumentenk. 34, 43 (1914).

Crawford, Welsh, and Harrold, Can. J. Phys. 30, 81 (1952).

I. S. Bowen, Astrophys. J. 88, 113 (1938).

G. E. St. John, Ph.D. thesis, University of Toronto, 1952.

J. Marcoux, M.A. thesis, University of Toronto, 1953.

Stoicheff, Cumming, St. John, and Welsh, Phys. Rev. 84, 592 (1951); J. Chem. Phys. 20, 498 (1952).

C. Cumming and H. L. Welsh, J. Chem. Phys. 21, 1119 (1953).

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