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Raman Spectra of Solutions of Some Ionized Substances

Dickinson, Roscoe G. and Dillon, Robert T. (1929) Raman Spectra of Solutions of Some Ionized Substances. Proceedings of the National Academy of Sciences of the United States of America, 15 (4). pp. 334-337. ISSN 0027-8424.

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A new type of secondary radiation has recently been found [1] to be present in the light scattered by liquids. If a medium is illuminated with a monochromatic radiation for which it is largely transparent, the scattered light is found to contain in addition to light of the original frequency, lines of altered frequency which do not arise from fluorescence. A characteristic of this phenomenon, the Raman Effect, is that the changes in frequency on scattering are independent of the frequency of the incident radiation. The changes in frequency are, however, specifically dependent on the nature of the scattering substance and, indeed, are often found to I agree with previously known infra-red frequencies of the substance. There is little doubt that the frequency changes on scattering measure differences in the energy contents of stationary states of the molecules of the scattering substance.

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Additional Information:Copyright © 1929 by the National Academy of Sciences Communicated February 28, 1929 We are indebted to Professor Ira S. Bowen for valuable advice relative to the present measurements.
Issue or Number:4
Record Number:CaltechAUTHORS:DICpnas29a
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:5952
Deposited By: Archive Administrator
Deposited On:09 Nov 2006
Last Modified:02 Oct 2019 23:28

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